________________________________________________________________________ http://www.union-ic.com rev.01 dec.2012 1/6 UM3865P load switch with level-shift UM3865P sot363 general description the UM3865P includes a p- and n-channel mo sfet in a single sot363 package. the low on-resistance p-channel mosfet is tailored for u se as a load switch. the n-channel, with an external resistor, can be used as a level-shift to drive the p-channel load switch. the n-channel mosfet has internal esd protection and can be driven by logic signals as low as 1.5v. the UM3865P operates on supply lines from 1.8v to 8v, and can drive loads up to 1a. applications features z battery packs z battery-powered portable equipment z cellular and cordless telephones z 300 m ? low on-resistance z 1.8v to 8v input z 1.5v to 8v logic level control z low profile, small footprint sot363 package z 2000v esd protection on input switch z adjustable slew-rate pin configurations top view ordering information part number packaging type marking code shipping qty UM3865P sot363 u7a 3000pcs/7 inch tape & reel m: month code UM3865P sot363
________________________________________________________________________ http://www.union-ic.com rev.01 dec.2012 2/6 UM3865P typical application circuit components r1 pull-up resistor typical 20k ? to 1m ? * r2 optional slew-rate control typical 0 to 50k ? c1 optional slew-rate control typical 1000pf *minimum r1 value should be at least 10 r2 to ensure q1 turn-on. note: for r2 switching variations with other vi n/r1 combinations see typical characteristics switching variation (r2@vin=2.5v,r1=20k ? ) 0 10 20 30 40 50 0246810 r2( k ? ) time( s) td(on) tr td(off) tf
________________________________________________________________________ http://www.union-ic.com rev.01 dec.2012 3/6 UM3865P absolute maximum ratings symbol parameter limit unit v in input voltage 8 v on/off on/off voltage 8 v continuous load current (1)(2) 1 i l pulse load current (2)(3) 5 i s continuous source current (source-drain diode) -1.0 a p d maximum power dissipation 0.5 w t j ,t stg junction and storage temperature range - 50 to +150 esd esd rating, mil-std-883d hbm 2000 v r ja thermal resistance, junc tion-to-ambient 250 /w electrical characteristics (t j =25 , unless otherwise noted) symbol parameter test condition min typ max unit off characteristics i fl reverse leakage current v in =8v, v on/off =0v 1 a v sd diode forward voltage i s =-1 a -0.73 -1 v on characteristics v in input voltage range 1.8 8 v v on/off =1.5v, v in =4.5v, i d =1.0a 0.300 0.350 r ds(on) static drain-to-source on-resistance v on/off =1.5v,v in =2.5v, i d =1.0a 0.400 0.450 ? v in-out 0.2v,v in =5v, v on/off =1.5v 0.7 i d(on) on-state (p-channel) drain current v in-out 0.3v,v in =3v, v on/off =1.5v 0.8 a notes: (1): surface mounted on fr4 board (2): v in =8v,v on/off =8v, t a =25 (3): pulse test: pulse width 300 s, duty cycle 2%
________________________________________________________________________ http://www.union-ic.com rev.01 dec.2012 4/6 UM3865P typical characteristics (t j =25 , unless otherwise noted) switching variation (r2@vin=4.5v,r1=20k ? ) 0 10 20 30 40 50 60 70 80 0246810 r2( k ? ) time( s) td(on) tr td(off) tf switching variation (r2@vin=1.8v,r1=20k ? ) 0 10 20 30 40 50 0246810 r2( k ? ) time( s) td(on) tr td(off) tf switching variation (r2@vin=4.5v,r1=300k ? ) 0 100 200 300 400 500 600 700 800 900 1000 1100 0 20406080100 r2( k ? ) time( s) td(on) tr td(off) tf switching variation (r2@vin=2.5v,r1=20k ? ) 0 10 20 30 40 50 0246810 r2( k ? ) time( s) td(on) tr td(off) tf on-resistance vs.il (r1=20k ? ,r2=10 ? ,ci=10uf,co=1uf) 0.000 0.100 0.200 0.300 0.400 0.500 0.600 0.700 0.800 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 il( a ) rds(on)( ? ) vin=8v vin=5.5v vin=4.5v vin=3.6v vin=2.5v vin=1.8v on-resistance vs. input voltage (von/off=vin,r1=20k ? ,r2=10 ? ,ci=10uf,co=1uf) 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 012345678 vin(v) rds(on)( ? ) 1# 3# 2#
________________________________________________________________________ http://www.union-ic.com rev.01 dec.2012 5/6 UM3865P package information UM3865P sot363 outline drawing dimensions millimeters inches symbol min max min max a 0.900 1.100 0.035 0.043 a1 0.000 0.100 0.000 0.004 a2 0.900 1.000 0.036 0.039 b 0.100 0.350 0.004 0.014 c 0.080 0.220 0.003 0.009 d 1.800 2.200 0.071 0.087 e 1.150 1.350 0.045 0.053 e1 2.000 2.450 0.079 0.096 e 0.650ref 0.026ref e1 1.200 1.400 0.047 0.055 l 0.525ref 0.021ref l1 0.260 0.460 0.010 0.018 0 8 0 8 land pattern notes: 1. compound dimension: 2.101.25; 2. unit: mm; 3.general tolerance 0.05mm unless otherwise specified; 4. the layout is just for reference. tape and reel orientation
________________________________________________________________________ http://www.union-ic.com rev.01 dec.2012 6/6 UM3865P important notice the information in this document has been ca refully reviewed and is believed to be accurate. nonetheless, this document is subjec t to change without notice. union assumes no responsibility for any inaccuracies that may be contained in this document, and makes no commitment to update or to keep current the contained information, or to notify a person or organization of any update. union rese rves the right to make changes, at any time, in order to improve reliability, function or design and to attempt to supply the best product possible. union semiconductor, inc add: 2f, no. 3, lane 647 songtao road, shanghai 201203 tel: 021-51093966 fax: 021-51026018 website: www.union-ic.com
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