TA8003SA 2002-02-12 1 toshiba bipolar linear integrated circuit silicon monolithic TA8003SA 5 v low dropout voltage regulator with on/off switch the TA8003SA is a 5 v power ic with an on/off output control pin. the TA8003SA is also designed to provide a maximum output current of 400 ma. in addition to low dropout voltage and standby current, this device has the following protective functions: features low standby current: 800 a (typ.) maximum output current: 400 ma (max) low dropout voltage: 0.6 v (max) multi-protection: power supply reverse connection/ overvoltage protection/overheat protection/ short-circuit protection/60 v load dump adjustable output voltage controllable output on/off to-220n (is) 5-pin isolation package block diagram pin description pin no. symbol description 1 adj output voltage adjusting pin. connect a resistor between adj and out to increase the output voltage. } r adj r 1 ) r adj r 1 ( r 2 {1 v ref v out r 1 28.5 k , r 2 100 k , v ref 1.1 v, r adj : adjustment resistance 2 dis output on/off control pin. output is on when the pin is open or at the ?l? level, and off when the pin is at the ?h? level. 3 gnd ground pin 4 in power supply pin 5 out the 5 v output pin with maximum output current 400 ma TA8003SA (stl) TA8003SA (lbf) TA8003SA (lbs) weight ssip5-p-1.70c : 2.1 g (typ.) zip5-p-1.70l : 2.1 g (typ.) zip5-p-1.70k : 2.1 g (typ.) 2 4 input short-circuit protection 5 output 3 gnd overvoltage protection/ overheat protection dis 1 adj 28.5 k 100 k 10 k 6.2 k
TA8003SA 2002-02-12 2 maximum ratings (ta 25c) characteristics symbol rating unit input voltage v in 26~60 v operating input voltage v in 29 v (ta 25c) 2 power dissipation (tc 25c) p d 20 w operating temperature t opr 40~85 c storage temperature t stg 55~150 c r th (j-c) 6.25 thermal resistance r th (j-a) 62.5 c/w lead temperature ? time t sol 260 (10 s) c electrical characteristics (unless otherwise specified, v in 14 v, i out 10 ma, t j 25c) characteristics symbol test circuit test condition min typ. max unit 5.35 v v in 26 v, ta 25c 4.8 5.0 5.2 output voltage v out 1 5.35 v v in 26 v, 40c ta 85c 4.5 5.5 v 10 v v in 17 v 1 10 line regulation reg-line 1 7 v v in 26 v 2 30 mv load regulation reg-load 1 10 ma i out 200 ma 30 60 mv 6 v v in 26 v, i out 10 ma 1.0 2.0 quiescent current i b 1 v in 14 v, i out 200 ma 17 30 ma i out 50 ma 0.1 0.3 dropout voltage v drop 1 i out 200 ma 0.3 0.6 v maximum operating input voltage v in 1 29 33 v output control voltage (on) (note) v dis (on) 2 1 v output control current (on) i dis (on) 2 v dis 0.5 v 10 a output control voltage (off) v dis (off) 2 3 v output control current (off) i dis (off) 2 v dis 5 v 0.3 0.7 ma adjustable range of output v out 4.5 7.0 v short-circuit current limit i sc 1 v in 14 v 560 ma note: output is turned on when dis pin is opened.
TA8003SA 2002-02-12 3 test circuit 1. v out , reg-line, reg-load, i b , v drop , v in , i sc 2. v dis (on) , i dis (on) , v dis (off) , i dis (off) application circuit * : the equivalent series resistance (esr) of c out must be less than 1 in operating temperature range. note on use: 1. connect the input and output capacitors close to the pins of the regulator. if the output voltage oscillates, increase the c out capacity and decrease the esr. make sure that the output voltage does not oscillate over the full range of the operating temperature. 2. when the output voltage exceeds the variable range, malfunction may arise. 4 3 5 2 1 TA8003SA v in v out a i b c in c out a i out r l v 4 3 5 2 1 TA8003SA v in v out c in c out a i out r l v v dis a i dis 0.1 f 4 3 5 2 1 TA8003SA v in c in c out v out
TA8003SA 2002-02-12 4 quiescent current i b (ma) quiescent current i b (ma) junction temperature t j (c) v out ? t j output voltage v out (v) input voltage v in (v) v out ? v in output voltage v out (v) output current i out (ma) v drop ? i out dropout voltage v drop (v) input voltage v in (v) i b ? v in output current i out (ma) i b ? i out output current i out (ma) v out ? i out output voltage v out (v) 4.6 40 0 40 80 120 4.8 5.0 5.2 5.4 v in 14 v i out 10 ma 0 0 10 20 30 40 2 4 6 8 t j 25c i out 10 ma 0 0 100 200 300 400 0.2 0.4 0.6 0.8 t j 85c 40 25 0 0 10 20 30 40 10 20 30 40 t j 25c i out 0 a 0 0 100 200 300 400 25 50 75 100 t j 85c v in 14 v 25 40 0 0 200 400 600 800 1000 2 4 6 8 10 t j 25c v in 6 v 26 14
TA8003SA 2002-02-12 5 ambient temperature ta (c) p d max ? ta allowable power dissipation p d max (w) adjustable resistance (1-5 pin) radj (k ) v out ? radj output voltage v out (v) 0 0 25 50 75 100 125 150 4 8 12 16 20 24 c/w r th (j-c) r th (j-a) 6.25 62.5 tc ta no heat sink 4.6 0 100 200 300 400 500 600 5.0 5.4 5.8 6.2 6.6 7.0 v in 14 v i out 0 a t j 25c
TA8003SA 2002-02-12 6 package dimensions weight: 2.1 g (typ.)
TA8003SA 2002-02-12 7 package dimensions weight: 2.1 g (typ.)
TA8003SA 2002-02-12 8 package dimensions weight: 2.1 g (typ.)
TA8003SA 2002-02-12 9 toshiba is continually working to improve the quality and reliability of its products. nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. it is the responsibility of the buyer, when utilizing toshiba products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such toshiba products could cause loss of human life, bodily injury or damage to property. in developing your designs, please ensure that toshiba products are used within specified operating ranges as set forth in the most recent toshiba products specifications. also, please keep in mind the precautions and conditions set forth in the ?handling guide for semiconductor devices,? or ?toshiba semiconductor reliability handbook? etc.. the toshiba products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.). these toshiba products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (?unintended usage?). unintended usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. unintended usage of toshiba products listed in this document shall be made at the customer?s own risk. the products described in this document are subject to the foreign exchange and foreign trade laws. the information contained herein is presented only as a guide for the applications of our products. no responsibility is assumed by toshiba corporation for any infringements of intellectual property or other rights of the third parties which may result from its use. no license is granted by implication or otherwise under any intellectual property or other rights of toshiba corporation or others. the information contained herein is subject to change without notice. 000707eb a restrictions on product use
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