PB137 POSITIVE VOLTAGE REGUALTOR FOR BATTERY CHARGER REVERSE LEAKAGE CURRENT LESS THAN

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Christopher Gray
5 years ago
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1 PB137 POSITIVE VOLTAGE REGUALTOR FOR BATTERY CHARGER REVERSE LEAKAGE CURRENT LESS THAN 10 µa THREE TERMINAL FIXED VERSION (13.7V) OUTPUT CURRENT IN EXCESS OF 1.5A AVAILABLEIN ± 1% (AC) SELECTION AT 25 o C TYPICAL DROPOUT VOLTAGE 2V TEMPERATURE RANGE 0 o C TO 150 o C DESCRIPTION The PB137 is a positive voltage regulator able to provide 1.5A, at VOUT=13.7V and is intended as a charger for lead acid battery. The main feature is a reverse leakage current (Max 10µA attj =0 to 40 o CVIN = floating and VOUT = 13.7V). It is available in TO-220 and it employs internal current limiting, thermal shut-down and safe area protection, making it essentially indestructible. If adequate heat-sinking is provided, they can deliver over 1A output current. TO-220 SCHEMATIC DIAGRAM December /8

2 ABSOLUTE MAXIMUM RATINGS Symbol Parameter Value Unit V i DC Input Voltage 40 V I o Output Current Internally limited ma P tot Power Dissipation Internally limited mw T stg Storage Temperature Range - 65 to 150 o C T op Operating Junction Temperature Range 0 to 150 o C Absolute Maximum Rating are those values beyond wich damage to the device may occur. Functional operation under these conditions is not implied. THERMAL DATA Symbol Parameter Value Unit R thj-case R thj-amb Thermal Resistance Junction-case Thermal Resistance Junction-ambient 3 50 o C/W o C/W CONNECTION DIAGRAM (top view) ORDERING NUMBERS PB137ACV Type Output Voltage 13.7 V APPLICATION CIRCUIT 2/8

3 ELECTRICAL CHARACTERISTICS FOR PB137 (refer to the test circuits, VI = 18 V, IOUT = 500 ma, T j = 0 to 150 o C, C OUT =10µF unless otherwise specified) Symbol Parameter Test Conditions Min. Typ. Max. Unit V o Output Voltage T j =25 o C V o Line Regulation V i = 16 to 28.7 V, T j =25 o C mv V o Load Regulation I o = 5 to 1500 ma, T j =25 o C mv I d Quiescent Current T j =25 o C 4 8 ma I d Delta Quiescent Current vs V i = 16 to 28.7 V 4 ma Line I d Delta Quiescent Current vs Load I o = 5 to 1000 ma 1.2 ma V d Dropout Voltage I o = 1 A, T j =25 o C V I SC Short Circuit Current V i -V o =5V, T j =25 o C 2.2 A en Output Noise Voltage B = 10 Hz to 10 KHz, Tj =25 o C 300 µvrms SVR Supply Voltage Rejection f = 120 Hz, T j =25 o C 58 db I REV Reverse Leakage Current V OUT = 13.7 V, V IN = floating, µa T j = 0 to 40 o C S Long Term Stability Tj = 125 o C, 1000hrs 0.5 % V V 3/8

4 TYPICAL PERFORMANCE CHARACTERISTICS (TJ=25 o C) Output Voltage vs Temperature Output Voltage vs Input Voltage Output Voltage vs Output Current Load Regulation vs Temperature Line Regulation vs Temperature Dropout Voltage vs Temperature 4/8

5 TYPICAL PERFORMANCE CHARACTERISTICS (continued) Dropout Voltage vs Output Current Short Circuit Current vs Dropout Voltage Short Circuit Current vs Temperature Reverse Leakage Current vs Temperature Quiescent Current vs Temperature Quiescent Current vs Output Current 5/8

6 TYPICAL PERFORMANCE CHARACTERISTICS (continued) Quiescent Current vs Input Voltage Thermal Protection Supply Voltage Rejection vs Output Current Supply Voltage Rejection vs Temperature Line Transient Response Load Transient Response V IN = 17 to 28.4V, I OUT = 0.5A,C OUT =10µF V IN = 18V, I OUT = 5 to 1.5A,C IN =1µF,C OUT =10µF 6/8

7 TO-220 MECHANICAL DATA DIM. mm inch MIN. TYP. MAX. MIN. TYP. MAX. A C D D E F F F G G H L L L L L L DIA D1 F G C D A E L2 G1 H2 F1 Dia. L5 L7 L9 F2 L6 L4 P011C 7/8

8 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics 1998 STMicroelectronics Printed in Italy All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco - The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. 8/8

L4940 series VERY LOW DROP 1.5 A REGULATORS

L4940 series VERY LOW DROP 1.5 A REGULATORS PRECISE 5 V, 8.5 V, 10 V, 12 V OUTPUTS LOW DROPOUT VOLTAGE (500 typ at 1.5A) VERY LOW QUIESCENT CURRENT THERMAL SHUTDOWN SHORT CIRCUIT PROTECTION REVERSE POLARITY