View BD9361GUL-E2_5952015.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

bd9361gul 1 datashee t tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 power lsi series for digital came ra and digital video camera 6ch internal power mosfet system switching regulator + 1ch ldo bd9361gul outline 6-channel switching regulator controller for digital camera that contains an internal fet, and 1-channel ldo. it is optimal power supply composition for digital camera or digital video camera which carries cmos sensor. it contributes to mounti ng area reduction, because ch1 ch4 have built-in feedback resister and wl-csp of compact package is adopted. features 1) 2.5v minimum input operating, and supplies power for the internal circuit by step-up converter(ch1). 2) ch1 step-up converter, ch2 cross converter, ch3,4 step-down converter ch5 step-down converter controllable output voltage by external resister.ch6 boost converter for led, 3) all channels contain internal power mosfet and compensation. 4) operating frequency of 2.0 mhz (ch3,4,5) and 1.0mhz ch1,2,6 . 5) includes over voltage protection (ovp) for ch1, 2, 6. 6) includes ldo controllable output voltage by serial communication. 7) contains sequence control circuit for ch1 3. it is possible to select sequence ch1 ? ch3 ? ch4 ? ch2 and ch1 ? ch4 ? ch3 ? ch2 by seq_ctl pin ch1, 2, 3, 4. ch5, 6, and ldo are possible to turn on/off by serial communication. 8) built-in discharge switch (ch2,3,4) and contains off sequence control circuit for ch1 4 with inverted start-up sequence. 9) included cut off output voltage circuit during over current (timer latch type). 10) include back-gate control for ch1 with soft start function use for digital camera, digital video camera key specifications ? input voltage accuracy : 2.5v 5.5v ? output voltage ch1 output voltage: 5.0v1.5%(typ.) ch2 output voltage: 3.3v1.5% (typ.) ch3 output voltage: 1.1v1.5% (typ.) ch4 output voltage (vosel4=h): 1.8v1.5% (typ.) ch4 output voltage (vosel4=l): 1.5v1.5% (typ.) ch5 reference voltage: 0.8v1.25% (typ.) ch6 reference voltage: 0.4v5.0% (typ.) ldo output voltage: 2.8v1.5% (typ.) ? load current ch1 load current: 1.0a (max) ch2 load current: 800ma (max) ch3 load current: 1.5a (max) ch4 load current: 800ma (max) ch5 load current: 500ma (max) ch6 load current: 50ma (max) ldo load current: 200ma (max) ? frequency(ch3,4,5): 2.0mhz(typ.) ? frequency (ch1,2,6): 1.0mhz(typ.) function block diagram package wlcsp package 3.14mm3.14mm 0.5mm pitch pin assignments (top view) fig1. function block diagram fig2. pin assignments products silicon monolithic ic this product is not designed for normal operation with in a radioactive step up dc/dc1 step down dc/dc3 buck-boost dc/dc2 step up dc/dc6 constant current control) fet fet fet fet fet fet fet fet fet fet fet 5.0v (typ.) led back light fet ldo i2c interface 3.3v (typ.) 1.1v (typ.) 1.8v/1.5v(typ.) 2.8v (typ.) step down dc/dc4 fet fet 1.8v (typ.) step down dc/dc5 motor system/analog core memory cmos sensor/etc. load switch cmos sensor/etc. status of this document the japanese version of this document is the official specification. please use the translation version of this document as a r eference to expedite understanding of the official version. if these are any uncertainty in translation version of this document, official version takes priority.
2 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 block diagram pin description no. symbol description e5 vccout ic power supply input in part of controller please connect to hx1 terminal. please connect 10uf ceramic capacitor to this terminal. c5 vdd power supply input for serial signal. please connect 1uf ceramic capacitor to this terminal. e4 gnd ground terminal f6,a6,a1,f1,c1 pgnd1,2,3,45,6 ground for internal fet d6 hx1 terminal for output voltage of ch1 (step-up). please connect to vccout terminal. a3,d1,f3 hx2bat,hx3,4,5 the power supply to switching regulator is inputted into this term inal. this terminal supplies power to output stage of switching regulator and control circuit. e6,a2,e1,f2,b1 lx1,3,4,5,6 terminal for connecting inductor. please refer to the 13 page for recommended value. a4 vout2 ch2 dc/dc output b6 lx21 terminal for connecting inductor for ch2 input a5 lx22 terminal for connecting inductor for ch2 output d5,d4,d3,e2 vo1,2,3,4 output voltage feed-back pin please connect each channel?s output to vo1 vo4 terminals, because ch1 ch4 have built-in feedback resister. e3,d2 inv5,6 error amp inverted input please refer to the 21 page for the calculation method of feedback resister. f4 vinreg ldo input terminal f5 regout ldo output terminal c3 vout6 ch6 dc/dc ovp monitor terminal c2 led terminal for connecting led cathode c4 stb1234 on/off switch h: operating over 1.5v b4 scl 2 line serial clock input pin b3 sda 2 line serial data input pin b5 vosel4 ch4 initial output voltage control pin (hx2bat:1.8v,gnd:1.5v) please regularly connect this terminal to hx2bat or gnd. b2 seq_ctl sequence control terminal hx2bat:ch1 ch3 ch4 ch2 gnd: ch1 ch4 ch3 ch2 please regularly connect this terminal to hx2bat or gnd. fig3. block diagram error amp ch1 step up current mode control lx1 pgnd1 hx1 vo1 vo3 serial i/f vdd(c5) back gate control dac ovp comp vccout 6.35v 2 line serial i/f error amp ch2 cross converter control vo2 1mhz dac 2 line serial i/f scp comp pgnd2 vout2 hx2bat lx21 lx22 error amp 2mhz dac 2 line serial i/f pgnd3 lx3 hx3 vo4 error amp ch4 step down current mode control 2mhz dac 2 line serial i/f lx4 hx4 scp comp scp comp inv5 error amp 2mhz vref pgnd45 lx5 hx5 scp comp error amp ldo dac 2 line serial i/f regout vinreg error amp 1mhz dac pgnd6 lx6 2 line serial i/f scp comp vout6 inv6 led 28v scp counter all ch driver stop scp compout 16 on/off logic sda(b3) scl(b4) seq_ctl(b2) stb1234 (c4) led sw control gnd(e4) vccout(e5) 1mhz ch3 step down current mode control ch5 step down current mode control ch6 step up current mode control (d6) (e6) (f6) (c6) (b6) (a6) (a5) (a4) (a3) (a2) (a1) (d1) (e1) (f3) (f2) (f1) (f4) (f5) (c1) (c2) (d2) (c3) (b1) (d3) (d4) (e3) (e2) (d5)
3 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 absolute maximum ratings ta 25 item symbol limit unit maximum applied power supply voltage hx2bat, vccout 0.3 7 v maximum applied input voltage vhx1 5, 0.3 7 v vinreg 0.3 7 v vlx6 0.3 30 v maximum output current iomaxhx1, lx1 2.8 a iomaxhx2bat 2.5 a iomaxhx3 2.0 a iomaxhx4,5 1.0 a iomaxlx6 1.0 a regout 300 ma power dissipation pd 1.25 (*1) w operating temperature topr 25 +85 storage temperature ts t g 55 +150 junction temperature tjmax +150 *1 should be derated by 10.0mw/ at ta=25 or more. when mounted on a gl ass epoxy pcb of 50mm50 mm1.74 mm operating condition protective functions item scp ocp ovp condition ch1 boost synchronous rectification stop when shorted output ovp: hx1 monitor ch2 cross synchronous rectification scp: vo monitor ovp:vout2 monitor ch3 buck synchronous rectification scp: vo monitor ch4 buck synchronous rectification scp: vo monitor ch5 buck synchronous rectification scp: error amp output (internal node) monitor ch6 boost back light ovp: vout6 monitor over current protective part item symbol limit unit condition min typ max ch1 lx1 ocp detecting current iocp1 2.8 a ch2 hx2bat ocp detecting current iocp2 2.5 a ch3 hx3 ocp detecting current iocp3 2.0 a ch4 hx4 ocp detecting current iocp4 1.2 a ch5 lx5 ocp detecting current iocp5 1.2 a ch6 lx6 ocp detecting current iocp7 1.2 a item symbol limit unit min typ max hx2bat voltage (power supply voltage) hx2bat 2.5 - 5.5 v vdd voltage (serial traffic power supply voltage) vdd 1.5 - 3.6 v control input voltage vin 0 - vdd v scl input frequency range fscl - - 400 khz ldo terminal connection capacity coldo 1.0 2.2 - uf
4 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 electrical characteristics unless specified, ta=25 , vccout=5.0v, hx, hx2bat,regin=3.6 v, stb1234=3.0v, all dcdc, lod on this product is not designed for normal oper ation within a radioactive environment. item symbol limit unit condition min typ max low-voltage input malfunction prevention circuit detecting voltage (hx2bat) vstd1b - 2.1 2.2 v hx2bat monitor release voltage (hx2bat) vstd2b 2.0 2.2 2.4 v hx2bat monitor hysteresis width S vstdb 50 100 200 mv detecting voltage (vccout) vstd1v - 2.3 2.4 v vccout monitor release voltage (vccout) vstd2v 2.3 2.5 2.7 v vccout monitor hysteresis width S vstdv 100 200 300 mv short circuit protection scp detect time tscp 16 21 26 ms timer start threshold voltage vscp2 1.31 1.68 2.04 % vo2 monitor timer start threshold voltage vscp3 0.42 0.54 0.66 % vo3 monitor timer start threshold voltage vscp4 0.69 0.89 1.08 % vo4 monitor timer start threshold voltage vscp5 0.28 0.36 0.44 v inv5 monitor ovp ch1 ovp threshold vovp1 5.75 6.35 6.95 v hx1 monitor ch2 ovp threshold vovp2 5.75 6.35 6.95 v vout2 monitor ch6 ovp threshold vovp6 26.5 28 29.5 v vout6 monitor output voltage ch1 output voltage range rvo1 4.80 - 5.30 v 100mv step ch1 output voltage(default) vo1d 4.925 5.000 5.075 v ch1 output voltage accuracy vo1o -2.0 - 2.0 % ch2 output voltage range rvo2 2.80 - 3.35 v 50mv step ch2 output voltage(default) vo2dl 3.250 3.300 3.350 v ch2 output voltage(default) vo2o -2.0 - 2.0 % ch2 output voltage accuracy rvo3 0.900 - 1.250 v 25mv step ch3 output voltage range vo 3d 1.083 1.100 1.117 v ch3 output voltage(default) vo3o -2.0 - 2.0 % ch3 output voltage accuracy rvo4 1.775 - 1.850 v 25mv step ch4 output voltage range vo4dh 1.773 1.800 1.827 v vosel4=h ch4 output voltage(default) vo4a dl 1.477 1.500 1.523 v vosel4=l ch4 output voltage(default) vo4o -2.0 - 2.0 % ch4 output voltage accuracy rvo6 12.5 - 400 mv 12.5mv step ch6 output voltage range vo6 380 400 420 mv error amp input bias current iinv5,6 - 0 50 na inv5,6 inv5 threshold vinv5 0.790 0.800 0.810 v
5 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 electrical characteristics unless specified, ta=25 , vccout=5.0v, hx, hx2bat,regin=3.6 v, stb1234=3.0v, all dcdc, lod on this product is not designed for normal oper ation within a radioactive environment. item symbol limit unit condition min typ max oscillating circuit frequency ch3,4 fosc1 1.6 2.0 2.4 mhz frequency ch1,2,5-7 fosc2 0.8 1.0 1.2 mhz max duty 1 step-up dmax1 86 92 96 % max duty ch2 lx21 dmax21 - - 100 % max dutych2 lx22 dmax22 86 92 96 % max duty 3, 4,5 step-down dmax34 - - 100 % soft start ch1 soft start time tss1 1.8 3.0 5.4 msec ch2,5 soft start time tss2,5 2.4 4.2 6.0 msec ch3,4 soft start time tss3,4 1.2 2.1 3.0 msec ch6 duty restriction time tdtc 5.0 8.2 11.8 msec off detect comparator ch2 off threshold voff2 - 0.420 0.560 v vo2 monitor ch3 off threshold voff3 - 0.135 0.180 v vo3 monitor ch4 off threshold voff4 - 0.220 0.295 v vo4 monitor
6 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 electrical characteristics unless specified, ta=25 , vccout=5.0v, hx, hx2bat,regin=3.6 v, stb1234=3.0v, all dcdc, lod on this product is not designed for normal oper ation within a radioactive environment. item symbol limit unit condition min typ max output drive r ch1 highside sw on resistance ron1p - 80 150 m ? hx1=5v ch1 lowside sw on resistance ron1n - 60 120 m ? vccout=5.0v ch2 lx21 highside sw on resistance ron21p - 120 180 m ? hx2bat=3.6v ch2 lx21 lowside swon resistance ron21n - 120 180 m ? vccout=5.0v ch2 lx22 high side sw on resistance ron22p - 150 230 m ? vout2=3.3v ch2 lx22 low side sw on resistance ron22n - 120 180 m ? vccout=5.0v ch3 high side sw on resistance ron3p - 150 230 m ? hx3=3.6v , vccout=5v ch3 low side sw on resistance ron3n - 110 170 m ? vccout=5.0v ch4 high side sw on resistance ron45p - 150 230 m ? hx4=3.6v, vccout=5v ch4 low side sw on resistance ron45n - 120 180 m ? vccout=5.0v ch5 high side sw on resistance ron45p - 200 300 m ? hx4=3.6v, vccout=5v ch5 low side sw on resistance ron45n - 150 230 m ? vccout=5.0v ch6 nmos sw on resistance ron6n - 500 750 m ? vccout=5.0v led pin sw on resistance rled - 2.0 3.0 ? vccout=5.0v discharge switch ch2 discharge sw on resistance rdsw2 - 100 200 ? vccout=5.0v ch3 discharge sw on resistance rdsw3 - 100 200 ? vccout=5.0v ch4 discharge sw on resistance rdsw4 - 100 200 ? vccout=5.0v ch5 discharge sw on resistance rdsw5 - 100 200 ? vccout=5.0v stb1234 stb control voltage active vstbh1 1.5 - 5.5 v non active vstbl1 -0.3 - 0.3 v pull down resistance rstb1 250 400 700 k ? seq_ctl, vosel4 seq_ctl vosel4 control voltage h level vctlh hx2b at-0.3 - hx2b at+0.3 v l level vctll 0 - 0.3 v ldo output voltage vldo1 1.5 - 3.3 v vo=1.5v,1.8v,2.7v ,2.8v , 2.9v 3.0v,3.1v,3.3v output voltage accuracy ldoacc 2.758 2.800 2.842 v line regulation vdl - 2 20 mv vinreg=regout+1.0v to 5.5v iout=10ua load regulation vdlo - 10 80 mv io=0.01ma to 100ma psrr rr 40 50 - db vr=-20dbv f=1khz io=10ma over current protect ilmax 220 350 700 ma vo=regout*0.8 output short current ishort 20 70 150 ma vo=0v discharge resiste r ldodcr 0.5 1 1.5 k ? circuit current stand-by current vccout terminal istb1 - 0 5 a h terminal istb2 - 0 5 a step-down cross- converter lx terminal istb3 - 0 5 a step-up vinreg istb4 - 0 5 a circuit current when start-up hx2bat current when voltage supplied for the terminal ist - 300 600 a hx2vat=3.6v circuit current vccout current when voltage supplied for the terminal icc2 - 5.0 9.7 ma ch1 6 switching off ldo on
7 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 specification for serial control electrical characteristics unless specified, ta=25 , vdd=3.3v item symbol limit unit condition min typ max scl sda h level input voltage v inh vdd*0.7 - vdd+0.3 v l level input voltage v inl -0.3 - vdd*0.3 v h level input current i inh -10 - 10 a input voltage 0.9vdd l level input current i inl -10 - 10 a input voltage 0.1vdd l level output voltage (sda) v ol - - 0.4 v i in =3.0ma bus capacitance cb - - 400 pf ac timing characteristics unless specified, ta=25 , vdd=3.3v item symbol fast-mode* standard-mode* unit min typ max min typ max scl frequency fscl - - 400 - - 100 khz high period of the scl clock fhigh 0.6 - - 4 - - us low period of the scl clock flow 1.3 - - 4.7 - - us sda/scl rise time tr - - 0.3 - - 1 us sda/scl fall rime tf - - 0.3 - - 1 us start condition hold time thd sta 0.6 - - 4 - - us start condition set-up time tsu sta 0.6 - - 4.7 - - us data hold time thd dat 0 - 0.9 0 - 3.45 us data set-up time tsu dat 100 - - 250 - - ns set-up time for stop condition su sto 0.6 - - 4 - - us bus free time between a stop and start condition buf 1.3 - - 4.7 - - us noise cancel time 1 0 - 50 0 - 50 ns fast-mode and standard-mode are sectioned by clock speed. standard-mode clock speed is 100lhz, and fast-mode clock speed is 400 khz. these clock speed are assumed maximum frequency, it is possible to use clock speed 100 khz on fast-mode.
8 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 serial data timing fig4. serial data timing tsu:sta scl thd:sta sda stop bit tsu:sto start bit fig5. start bit, stop bit timing diagram
9 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 serial i/f, read/write function 1. writing protocol a register address is transferred by the next 1 byte that transferred the slave address and the write-in command. the 3rd byte writes data in the internal register written in by the 2nd byte, and after 4th byte or, the increment of register address is carried out automatically. however, when a register address turns into the last address, it is set to 00h by the next transmission. after the transmission end, the increment of the address is carried out. s a a a p register address slave address from master to slave from slave to master r/w=0(write) data a d7 d6 d5 d4 d3 d2 d1 d0 d7 d6 d5 d4 d3 d2 d1 d0 a 7 a 6 a 5 a 4 a 3 a 2 a 1 a 0 0 x x x x x x x *1 *1 data a =acknowledge(sd a low) a =not acknowledge(sda high) s=start condition p=stop condition *1: write timing register address increment register address increment 2. multiple reading protocols after specifying an internal address, it reads by repeat ed start condition and changing the data transfer direction. the data of the address that carried out the increment is r ead after it. if an address turns into the last address, the next byte will read out 00h. after the transmission end, the increment of the address is carried out. r/w=0(write) r/w=1(read) slave address register address slave address data data s a a a sr 1 0 a 7 a 6 a 5 a 4 a 3 a 2 a 1 a 0 x x x x x x x x x x x x x x a =acknowledge(sda low) a =not acknowledge(sda high) s=start condition p=stop condition from master to slave from slave to master register address increment register address increment p a d7 d6 d5 d4 d3 d2 d1 d0 d7 d6 d5 d4 d3 d2 d1 d0 a sr=repeated start condition as for reading protocol and multiple reading protocols, please do a(not acknowledge) after doing the final reading operation. it stops with read when ending by a (acknowledge), and sda stops in the state of low when the reading data of that time is 0. however, this state returns usually when scl is moved, data is read, and a (not acknowledge) is done.
10 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 application circuit operation notes ? we are confident that the above applied ci rcuit diagram should be recommended, but pl ease thoroughly confirm its characteristic s when using it. in addition, when using it with the exte rnal circuit?s constant changed, please make a decision that allows a sufficient ma rgin in light of the fluctuations of external components and rohm?s ic in terms of not only static characte ristic but also trans ient characteristic. vo (v) vin (v) io_max (ma) condition (recommended parts) ch1 boost 2.5 1000 l=2.2uh 5.0 3.0 1000 toko:de4518c yuden:nr4018t 3.6 1000 c=20uf 4.2 1000 (murata: grm31cb31e106ka75l) ch2 cross 2.5 800 l=3.3uh 3.3 3.0 800 toko:de3518 yuden:nr3015t 3.6 800 c=10uf 4.2 800 (murata: grm31cb31e106ka75l) ch3 buck 1.8 1500 l=2.2uh 1.1 2.5 1500 toko:de2815 yuden:nr3015t 3.6 1500 c=10uf 4.2 1500 (murata: grm31cb31e106ka75l) ch4 buck 1.8 800 l=2.2uh 1.8 2.5 800 toko:de2815 yuden:nr3015t 3.6 800 c=10uf 4.2 800 (murata: grm31cb31e106ka75l) ch5 buck 2.5 500 l=2.2uh 1.8 3.6 500 toko:de2815 yuden:nr3015t 4.2 500 c=10uf (murata: grm31cb31e106ka75l) 5.0 500 r1=300 ,r2=240k ch6 boost 2.5 50 l=10uh (worth 3.0 50 toko:de2815 yuden:nr3015t 3 light 4.2 50 c=4.7uf (murata: grm21bb31e475ka75l) led) 5.0 50 diode (rb551v-30) ch6 boost 1.8 30 l=10uh (worth 2.5 30 toko:de2815 yuden:nr3015t 6 light 3.6 30 c=4.7uf (murata: grm21bb31e475ka75l) led) 4.2 30 diode (rb551v-30) ldo 2.8 3.3 200 c=2.2uf 3.6 200 (murata: grm21bb31e225ka75l) 4.2 200 5.5 200 fig6. applied circuit diagram recommended maximum load vdd sda scl seq_ctl stb1234 gnd vccout vosel4
11 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 efficiency data (1) 50 55 60 65 70 75 80 85 90 95 100 10 100 1000 efficiency[%] io[ma] ch4 ? step ? down ? 1.8v io \ efficiency vbat=4.2v vbat=3.6v vbat=2.8v vbat=2.5v 30 40 50 60 70 80 90 100 10 100 1000 10000 efficiency [%] io [ma] ch3 ? step ? down ? 1.15v io \ efficiency vbat=4.2v vbat=3.6v vbat=2.8v vbat=2.5v 50 55 60 65 70 75 80 85 90 95 100 10 100 1000 efficiency [%] io [ma] ch2 ? cross ? converter ? 3.3v io \ efficiency vbat=4.2v vbat=3.6v vbat=2.8v vbat=2.5v 40 50 60 70 80 90 100 10 100 1000 efficiency [%] io[ma] ch1 ? step ? up ? 5.0v efficiency \ io vbat=4.2v vbat=3.6v vbat=3.0v vbat=2.5v fig7. ch1 5.0v voltage boost efficiency io inductor : 2.2uh (yuden: nr4018t) fig8. ch2 3.3v cross converter efficiency io inductor : 3.3uh (yuden: nr3015t) fig9. ch3 1.15v step-down efficiency io inductor : 2.2uh (yuden: nr3015t) fig10. ch4 1.8v step-down efficiency io inductor : 2.2uh (yuden: nr3015t)
12 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 efficiency data (2) 50 55 60 65 70 75 80 85 90 95 100 2.000 3.000 4.000 5.000 efficiency [% ] vbat [v] ch6 ? backlight ? (5led) io \ efficiency io=30ma io=20ma io=10ma 40 50 60 70 80 90 100 10 100 1000 efficiency [%] io[ma] ch5 ? step ? down ? 1.2v io \ efficiency vbat=5.5v vbat=4.2v vbat=3.6v vbat=2.8v vbat=2.5v fig11. ch5 1.2v step-down efficiency io inductor : 2.2uh (yuden: nr3015t) fig12. ch6 5 led efficiency input voltage inductor : 10uh (yuden: nr3015t) 8.64 8.66 8.62 8.52 10.29 10.21 10.15 10.02 11.20 11.06 10.97 10.87 5 7 9 11 22.533.544.5 ivccout[ma] vbat [v] ivccout-vbat (application) ch1 4_on ch1 5_on all_ch_on fig13. vccout input current input voltage (recommended application)
13 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 start up and off sequence wave form(1) fig14. ch1 4 start up wave form seq_ ctl=h fig15. ch1 4 wave form of off sequence seq_ ctl=h fig16. ch1 4 start up wave form seq_ ctl=l fig17. ch1 4 wave form of off sequence seq_ ctl=l ch1 step up v ch2 cross converter 3.3v (2.0v/div) ch3 step down1.1v ch4 step down1.8v 2.0ms/div (2.0v/div) (2.0v/div) (2.0v/div) 2.0ms/div ch1 step up v ch2 cross converter 3.3v (2.0v/div) ch3 step down1.1v ch4 step down1.8v (2.0v/div) (2.0v/div) (2.0v/div) ch1 step up v ch2 cross converter 3.3v (2.0v/div) ch3 step down1.1v ch4 step down1.8v 2.0ms/div (2.0v/div) (2.0v/div) (2.0v/div) ch1 step up v ch2 cross converter 3.3v (2.0v/div) ch3 step down1.1v ch4 step down1.8v (2.0v/div) (2.0v/div) (2.0v/div) 2.0ms/div
14 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 start up and off sequence wave form(2) fig18. ch5, ldo start up wave form fig19. ch5, ldo wave form of off sequence fig20. ch6 start up wave form fig21. ch6 wave form of off sequence sd a ch5 ste p down 1.8v ldo 2.8v 2.0ms/div (2.0v/div) (2.0v/div) (1.0v/div) 2.0ms/div sd a ch5 ste p down 1.8v ldo 2.8v (2.0v/div) (2.0v/div) (1.0v/div) sda ch6 backlight 4led 1.0ms/div (2.0v/div) (5.0v/div) sda ch6 backlight 4led 1.0ms/div (2.0v/div) (5.0v/div)
15 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 temperature characteristic fig22. frequency te m p 2mhz fig23. ch5 base voltage te m p 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 3 -25 0 25 50 75 100 frequency [mhz] temp [ ] frequency temperature characteristic -1 -0.5 0 0.5 1 -25 0 25 50 75 100 difference from 25 [%] temp [ ] ta-ch5 base voltage
16 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 timing chart (1) seq_ctl=h (hx2bat) stb1234 vo1 tss1 tss3 vo4 vo2 vo3 tss4 tss2 stb1234 vo1 tss1 tss4 vo3 vo2 vo4 tss3 tss2 stb1234 vo2 vo4 vo3 vo1 seq_ctl=h (hx2bat) stb1234 vo2 vo3 vo4 vo1 seq_ctl=l (gnd) seq_ctl=l (gnd) tdtc tss5 vo5 R off serial input en5 ch5 off ch5 serial input en6 off dtc6 vo6 ch6 serial input en5 vo5 R vo6 serial input en6 tss5 : typ 4.2msec tss1 : typ 3.0msec tss3 : typ 2.1msec tss2 : typ 4.2msec tss4 : typ 2.1msec tdtc typ 8.2msec disscharge by 100 sw off threthold off threthold off threthold disscharge by 100 sw disscharge by 100 sw disscharge by load current disscharge by 100 sw disscharge by 100 sw disscharge by 100 sw off threthold off threthold off threthold disscharge by load current disscharge by 100 sw ch6 off disscharge by load current error amp output voltage is clamped during soft start dtc 6( internal node of ic error amp output ( internal node of ic output voltage correspond to duty of input pulse fig24.ch1 ch6 start up and off sequence
17 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 slave address slave address 29h (010 1001) resister map attention ? ?w? is resister bit to write. ? ?r? is resister bit to read. ? ?r/w? is resister bit to read or write. ? ? ? is resister bit not to use. addr ess address name r/w d7 d6 d5 d4 d3 d2 d1 d0 initial value function 00h sftrst w - - - - - - - sft rst 00h input to reset software 01h encnt r/w - - - - ch1 pfm en ldo en6 en5 08h on/off for each ch 02h vcnt12 r/w vcnt2[3:0] vcnt1[3:0] 64h adjustment to ch1, ch2 output voltage 03h vcnt34 r/w - vcnt4[2:0] vcnt3[3:0] 8h adjustment to ch3, ch4 output voltage 04h vcnt6l do r/w ldocnt[2:0] vcnt6[4:0] 60h adjustment to inv6, ldo output voltage h ? see resister map resister reset condition (resister reset mean all resister turn into initial value) in the operation of hx2bat uvlo or vccout uvlo. initialized after off sequence of ch1 4. logic reset condition logic reset mean all resister and internal logic circuit (soft start circuit etc.) are initialized in disregard of sequence with the following condition directly. in the operation of hx2bat uvlo or vccout uvlo. initialized ch1 4 output voltage are off with off sequence. please input ?0? to ?-? resister. empty re sisters are used to test mode resister. please transmit ?0? to ?-? resister to avoid test mode while data is transmitted. if address ?00h? get ?01? data, it occur logic reset directly, address ?00h? is initialized, and start-up sequence is beginning . don?t use this mode, if you don?t need. resister map 1 address address name r/w d7 d6 d5 d4 d3 d2 d1 d0 initial value data content 00h sft rst w - - - - - - - sft rst 00h input to reset software d0: sftrst software reset ?0?: reset cancel (initial) ?1?: reset ? reset automatically by 1 shot pulse. d0: en5 ch5 on/off signal d1: en6 ch6 on/off signal ?0?: ch5 off (initial value) ?0?: ch6 off (initial value ?1?: ch5 on ?1?: ch6 on d2: enldo ldo on/off signal d3: ch1pfm ch1 pfm mode switch signal ?0?: ldo off (initial value) ?0?: ch1 synchronous mode ?1?: ldo on ?1?: ch1 reverse current detect mode (initial value) address address name r/w d7 d6 d5 d4 d3 d2 d1 d0 initial value data content 01h encn t r/w - - - - ch1p fm enld o en6 en5 08h on/off for each ch
18 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 resister map 2 address address name r/w d7 d6 d5 d4 d3 d2 d1 d0 initial value function 02h vcnt12 r/w vcnt2[3:0] vcnt1[3:0] 64h adjustment to ch1,ch2 output voltage 03h vcnt34 r/w - vcnt4[2:0] vcnt3[3:0] 8h adjustment to ch3, ch4 output voltage 04h vcnt6 ldo r/w ldocnt[2:0] vcnt6[4:0] 60h adjustment to inv6,ldo output voltage data output voltage [v] d4 d3 d2 d1 d0 vcnt1 [d3 d0] vcnt2 [d3 d0] vcnt3 [d3 d0] vcnt4 [d2 d0] vcnt6 [d4 d0] ldocnt [d2 d0] 0 0 0 0 0 4.800 2.800 0.900 1.475 0.4000 1.500 0 0 0 0 1 4.800 2.800 0.925 1.500 *1 0.3875 1.800 0 0 0 1 0 4.800 2.850 0.950 1.525 0.3750 2.700 0 0 0 1 1 4.900 2.900 0.975 1.550 0.3625 2.800 0 0 1 0 0 5.000 3.200 1.000 1.775 0.3500 2.900 0 0 1 0 1 5.100 3.250 1.025 1.800 *2 0.3375 3.000 0 0 1 1 0 5.200 3.300 1.050 1.825 0.3250 3.100 0 0 1 1 1 5.300 3.350 1.075 1.850 0.3125 3.300 0 1 0 0 0 5.300 3.350 1.100 - 0.3000 - 0 1 0 0 1 5.300 3.350 1.125 - 0.2875 - 0 1 0 1 0 5.300 3.350 1.150 - 0.2750 - 0 1 0 1 1 5.300 3.350 1.175 - 0.2625 - 0 1 1 0 0 5.300 3.350 1.200 - 0.2500 - 0 1 1 0 1 5.300 3.350 1.225 - 0.2375 - 0 1 1 1 0 5.300 3.350 1.250 - 0.2250 - 0 1 1 1 1 5.300 3.350 1.250 - 0.2125 - 1 0 0 0 0 - - - - 0.2000 - 1 0 0 0 1 - - - - 0.1875 - 1 0 0 1 0 - - - - 0.1750 - 1 0 0 1 1 - - - - 0.1625 - 1 0 1 0 0 - - - - 0.1500 - 1 0 1 0 1 - - - - 0.1375 - 1 0 1 1 0 - - - - 0.1250 - 1 0 1 1 1 - - - - 0.1125 - 1 1 0 0 0 - - - - 0.1000 - 1 1 0 0 1 - - - - 0.0875 - 1 1 0 1 0 - - - - 0.0750 - 1 1 0 1 1 - - - - 0.0625 - 1 1 1 0 0 - - - - 0.0500 - 1 1 1 0 1 - - - - 0.0375 - 1 1 1 1 0 - - - - 0.0250 - 1 1 1 1 1 - - - - 0.0125 - (*1) vosel4 = l (*2) vosel4 = h initial value.
19 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 setting method of ic peripheral components (1) design of feedback resistor constant (a)ch5 setting the reference voltage of ch5?s error amp is 0.8v inside ic. please refer to formula (1) for determining the output voltage. this ic has phase compensation. r1 and r2 are recommended as more than 100k ? . (b)ch6 setting led current is decided (2) formula. please decide r3 value for led current range. it is possible to control dimming by only serial i/f. (2) points for attention in terms of pcb layout of base-plate for a switching regulator, in principle a large current transiently flows through the route of power supply ? coil ? output capacitor. ensure that the wiring impedance is lowered as much as possible by making the pattern as wide as possible and the layout as short as possible. interference of power supply noise with feedback terminal s (vo, inv) may cause the output voltage to oscillate. ensure that the power supply noise?s interference is avoided by making the wiring between feedback resistor and feedback terminal as short as possible. fig25. feedback resistor setting method vref 0.8v vout5 error amp r1 r2 inv ch5 output voltage vo= 0.8 [v] ??? (1) r2 (r1+r2) ch6 output current io= [a] ??? (2) r3 inv6 vout6 error amp6 r3 inv6 vref 12.5,mv~400mv
20 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 block explanation 1. scp, timer latch it is a timer latch type of short-circuit protection circuit. for ch6, the error amp output voltage is monitored, and detected when the feedback voltage deviates from control, for ch1 5, it is detected when the voltage of inv terminal becomes lower than 60%, and in 21ms the latch circuit operates and the outputs of all the channels are fixed at off. in order to reset the latch circuit, please turn off all the stb terminals before turning them on once again or turning power supply on once again. 2. u.v.l.o it is a circuit to prevent malfunction at low voltage. it is to prevent malfunction of internal circuit at the time of rising or dropping to a lower value of power supply voltage. if the voltage of vccout terminal becomes lower than 2.3v, or the voltage of hx2bat terminal becomes lower than 2.1v, then the output of each dc/dc converter is reset to off, and scp?s timer latch & soft start circuit are reset. in order to cancel uvlo of vccout, it is necessary to set vccout more than 2.5v. and in order to cancel uvlo of hx2bat, it is necessary to set hx2bat more than 2.2v. 3. osc it is an oscillation circuit the frequency of which is fixed by a built-in cr. the operating frequencies of ch3, 4, 5 are set at 2mhz, and the operating frequencies of ch1, 2, 6 are set at 1mhz. 4. erramp 1 6 it is an error amplifier to detect output signal and output pwm control signal. the reference voltages of erramp (error amplifier) of ch1 4 are internally set at 0.6v, and the reference voltages of erramp (error amplifier) of ch5 are set at 0.8v and the reference voltages of erramp (error amplifier) of ch6 are set at 0.4v. in addition, each ch incorporates a built-in element for phase compensation. 5. current mode control block ch1, 3 6 adopt the pwm method based on current mode. for a current- mode dc/dc converter, fet at the main side of synchronous rectification is turned on when detecting the clock edge, and turned off by detecting the peak current by means of the current comparator. 6. cross control duty controller for ch2 cross converter. it have pwm comparator that compare 1mhz slope and error amp output and logic circuit for control 4 fet on/off switching.. lx21 max on duty is 100%, lx21 max on duty is 92%. 7. back gate control pchfet backgate selector controller in ch1. pchfet have body di between backgate and source,drain ordinary. this circuit intercept ch1 step up output voltage by cutting body di line at stb off and control soft start .ch1 softstart output voltage from 0v like a slope. 8. nch driver , pch driver internal nch, pch fet driver cmos inverter type output circuit. 9. on/off logic it is the voltage applied to stb terminal and can control the on/off of ch1 ch4. if the voltage more than 1.5v is applied, then it becomes on, but if open or 0v is applied, then it becomes off, furthermore, it all the channels are turned off, then the whole ic will be in standby state. in addition, stb1234 terminals contain respectively a built-in pull-down resistor of about 400k ? . 10. soft start it is a circuit to apply the soft start to the output voltage of dc/dc converter and prevent the rush current at the start-up. soft start time varies with the channels. a. ch1 ??? reach the target voltage in 3.0ms. b. ch3,4 ??? reach the target voltage in 2.1ms. c. ch2,5 ??? reach the target voltage in 4.2ms. d. ch6 ??? reach the target voltage in 8.2ms. 11. ovp comp6 in ch6, when led is open, inv6 become l and output voltage increase suddenly. if this condition continue,lx6 voltage increase and exceed break down voltage. ch6 hav e over voltage protection (ovp).when vout6 pin is inputted over 28vtyp,ovp stop ch6 function..ovp latch ch6 function and reset by all stb=l
21 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 pin equivalent circuit inv5,inv6 (error amplifier?s inversion input) vout6 ch6 ovp monitor terminal stb1234 (operating when ch1 4 on/off switch is high) vo1 ch1 output voltage feed-back pin vo2 ch2 output voltage feed-back pin vo3 ch3 output voltage feed-back pin hx1,2bat,3,45,vout2 (pch fet source terminal) lx1,21,22,3,4,5(nch,pch fet drain terminal) pgnd1,2,345 (output stage earthing terminal) vo4 ch4 output voltage feed-back pin fig26. pin equivalent circuit (1) 274.09k 60.91k vccout vo2 vccout pgnd lx hx,vout2
22 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 lx6 (nch fet drain terminal) pgnd6 (output stage earthing terminal) fig.27 pin equivalent circuit (2) inv7 ch7 error amplifier?s inversion input led led cathode connection terminal hx1,2bat(pch fet source terminal) lx1,21(nch,pch fet drain terminal) pgnd1,2 (output stage earthing terminal) vosel4 ch4 initial output voltage control pin seq_ctl sequence control terminal regout ldo output terminal scl 2 line serial clock input pin scl vdd sda 2 line serial data input pin sda vdd
23 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 usage notes 1. absolute maximum ratings although the quality of this product has been tightly controlled, deterioration or ev en destruction may occur if the absolute m aximum ratings, such as for applied pressure and operational temperatur e range, are exceeded. furthermore, we are unable to assume sh ort or open mode destruction conditions. if special modes which exceed the absolute maximu m ratings are expected, physical safely precautions such as fu ses should be considered. 2. gnd potential the potential of the gnd pin should be at the minimum potential during all operation status in addition, please try to do not become electric potential below gnd for the termi nal other than non5 including the transient phenomenon in practice. please do not go down below 0.3v for the non5 term inal with transient phenomenon and the like when you use. 3. heat design heat design should consider tole rance dissipation (pd) during actu al use and margins which should be set with plenty of room. 4. short-circuiting between terminals and incorrect mounting when attaching to the printed substrate, pay special attention to the direction and proper placement of the ic. if the ic is a ttached incorrectly, it may be destroyed. destruction can also occur when there is a short, which can be caused by foreign objects ente ring between outputs or an output and the power gnd. 5. operation in strong magnetic fields exercise caution when operating in str ong magnet fields, as errors can occur. 6. about common impedance please do sufficient consideration for the wiring of power source and gnd with the measures such as lowering common impedance, making ripple as small as possible (making t he wiring as thick and short as possible, dropping ripple from l.c) and the like. 7. stb terminal voltage when you set each channel to standby, set stb terminal voltage as less than 0.3v, and when you set each channel to active, set stb terminal voltage as more than 1.5v. use capacitor less than 0.01uf, when you connect stb terminal to capacitor. it becomes a ca use of malfunction. 8.) heat protection circuit (tsd circuit) this ic has a built-in temperature protecti on circuit (tsd circuit). the temperature pr otection circuit (tsd circuit) is only t o cut off the ic from thermal runaway, and has not been designed to protect or guar antee the ic. therefore, the user should not plan to activat e this circuit with continued operation in mind. 9.) rush current at the time of power supply injection. an ic which has plural power supplies, or cmos ic could have momentary rush current at the time of power supply injection. please take care about power supply coupling capacity and width of power supply and gnd pattern wiring. 10.) influence by strong light when large amount of light like strobe is come in ic can act under wrong operation. please make light removal system and check operations adequately. 11.) ic terminal input this ic is a monolithic ic, and between each element there is a p+ isolation and p substrate for element separation. there is a p-n junction formed between this p-layer and each element?s n-laye r, which makes up various parasitic elements. for example, when resistance and transistor are connected with a terminal as in figure 36: when gnd>(terminal a) at the resistance, or gnd>(terminal b) at the transistor (npn ), the p-n junction oper ates as a parasitic diode. also, when gnd>(terminal b) at the transistor, a parasitic np n transistor operates by the n-layer of other elements close to t he aforementioned parasitic diode. with the ic?s configuration, the production of parasitic elements by the relationships of the el ectrical potentials is inevitab le. the operation of the parasitic elements can also interfere wi th the circuit operation, leadi ng to malfunction and even destruct ion. therefore, uses which cause the parasitic elements to operate, such as applying voltage to the input terminal which is lower th an the gnd(p-substrate), should be avoided. fig. 28 simplified structure of a bipolar ic p-board n p n n p p terminal a parasitic element resistor parasitic element transistor (npn) gnd p-board n p n p p terminal b b n e c gnd terminal a gnd parasitic element
24 bd9361gul tsz02201-0q2q0a400010-1-2 2011.12.22 rev.001 www.rohm.com ? 2011 rohm co., ltd. all rights reserved. tsz22111 ? 14 ? 001 thermal derating curves ordering information bd9361gul - e2 package gul: vcsp50l3 packaging and forming specification e2: embossed tape and reel package and marking diagram when mounted on a glass epoxy pcb of 50mm50 mm1.74 mm should be derated by 10.0mw/ at ta = 2 5 or more. heat design should consider tolerance dissipation (pd) during actual use and margins which should be set with plenty of room. fig.29 power dissipation fig.30 package and marking diagram 16 2345 a b c d e f 0.320.05 ( 0.15)index post 3.140.05 a 0.05 a 36- 0.250.05 s 0.55max b p=0.55 b p=0.55 s 0.06 0.320.05 3.140.05 1pin mark 0.10.05 bd9361 lot no.
datasheet d a t a s h e e t notice - rev.003 ? 2012 rohm co., ltd. all rights reserved. notice general precaution 1) before you use our products, you are requested to care fully read this document and fully understand its contents. rohm shall not be in any way responsible or liable for fa ilure, malfunction or accident arising from the use of any rohm?s products against warning, caution or note contained in this document. 2) all information contained in this document is current as of the issuing date and subjec t to change without any prior notice. before purchasing or using rohm?s products, please confirm the la test information with a rohm sales representative. precaution on using rohm products 1) our products are designed and manufactured for applicat ion in ordinary electronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electroni c appliances, amusement equipment, etc.). if you intend to use our products in devices requiring extremel y high reliability (such as medical equipment, transport equipment, traffic equipment, aircraft/spacecra ft, nuclear power controllers, fuel c ontrollers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (?specific applications?), please consult with the rohm sale s representative in advance. unless otherwise agreed in writing by rohm in advance, ro hm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ro hm?s products for specific applications. 2) rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe desi gn against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the following are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3) our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditio ns, as exemplified below. accordin gly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of an y rohm?s products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or conditions (as exemplified bel ow), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, incl uding water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products ar e exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing components, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (ev en if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4) the products are not subjec t to radiation-proof design. 5) please verify and confirm characteristics of the final or mounted products in using the products. 6) in particular, if a transient load (a large amount of load applied in a short per iod of time, such as pulse) is applied, confirmation of performance characteristics after on-boar d mounting is strongly recomm ended. avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading c ondition may negatively affect product performance and reliability. 7) de-rate power dissipation (pd) depending on ambient temper ature (ta). when used in seal ed area, confirm the actual ambient temperature. 8) confirm that operation temperature is within t he specified range described in the product specification. 9) rohm shall not be in any way responsible or liable for fa ilure induced under deviant condi tion from what is defined in this document.
datasheet d a t a s h e e t notice - rev.003 ? 2012 rohm co., ltd. all rights reserved. precaution for mounting / circuit board design 1) when a highly active halogenous (chlori ne, bromine, etc.) flux is used, the resi due of flux may negatively affect product performance and reliability. 2) in principle, the reflow soldering method must be used; if flow soldering method is preferred, please consult with the rohm representative in advance. for details, please refer to rohm mounting specification precautions regarding application examples and external circuits 1) if change is made to the constant of an external circuit, pl ease allow a sufficient margin c onsidering variations of the characteristics of the products and external components, including transient characteri stics, as well as static characteristics. 2) you agree that application notes, re ference designs, and associated data and in formation contained in this document are presented only as guidance for products use. theref ore, in case you use such information, you are solely responsible for it and you must exercise your own indepen dent verification and judgment in the use of such information contained in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take proper caution in your manufacturing process and storage so that voltage exceeding t he products maximum rating will not be applied to products. please take special care under dry condit ion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, se tting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1) product performance and soldered connections may deteriora te if the products are stor ed in the places where: [a] the products are exposed to sea winds or corros ive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to di rect sunshine or condensation [d] the products are exposed to high electrostatic 2) even under rohm recommended storage c ondition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm sol derability before using products of which storage time is exceeding the recommended storage time period. 3) store / transport cartons in the co rrect direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4) use products within the specified time after opening a hum idity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage time period. precaution for product label qr code printed on rohm products label is for rohm?s internal use only. precaution for disposition when disposing products please dispose them proper ly using an authorized industry waste company. precaution for foreign exchange and foreign trade act since our products might fall under cont rolled goods prescribed by the applicable foreign exchange and foreign trade act, please consult with rohm representative in case of export. precaution regarding intellectual property rights 1) all information and data including but not limited to application example contain ed in this document is for reference only. rohm does not warrant that foregoi ng information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. rohm shall not be in any way responsible or liable for infringement of any intellectual property rights or ot her damages arising from use of such information or data.: 2) no license, expressly or implied, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the information contained in this document.
datasheet d a t a s h e e t notice - rev.003 ? 2012 rohm co., ltd. all rights reserved. other precaution 1) the information contained in this document is provi ded on an ?as is? basis and rohm does not warrant that all information contained in this document is accurate and/or error-free. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties resulting from inaccuracy or errors of or concerning such information. 2) this document may not be reprinted or reproduced, in whol e or in part, without prior written consent of rohm. 3) the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 4) in no event shall you use in any way whatsoever the pr oducts and the related technical information contained in the products or this document for any military purposes, incl uding but not limited to, the development of mass-destruction weapons. 5) the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties.

▲Up To Search▲

Price & Availability of BD9361GUL-E2

	To Download BD9361GUL-E2 Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .