L4945 STMicroelectronics, L4945 Datasheet
L4945
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L4945 Summary of contents
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... SHORT CIRCUIT PROTECTION AND THER- MAL SHUT-DOWN (with hysteresis) LOW START UP CURRENT DESCRIPTION The L4945 is a monolithic integrated circuit in Versawatt package specially designed to provide a stabilized supply voltage for automotive and in- dustrial electronic systems. Thanks to their very low voltage drop, in automotive applications the ...
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... L4945 ABSOLUTE MAXIMUM RATINGS Symbol V DC Input Voltage i DC Reverse Input Voltage Transient Input Overvoltages : Load Dump : 5ms t 10ms rise Fall Time Constant = 100ms f R 0.5 SOURCE Field Decay : 5ms t 10ms, R fall Rise Time Constant = 33ms r Low Energy Spike : 500 s, R rise ...
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... ESR < Min. Typ. Max. 4.80 5.00 5.20 4.90 5.00 5. 0.40 0.55 0. 6.5 13 110 180 – 0 0.50 0.80 1. guarantee the global omin L4945 Unit mV 3/6 ...
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... L4945 Figure 1: Typical Dropout Voltage vs 500mA). o EXTERNAL COMPENSATION Since the purpose of a voltage regulator is to sup- ply and load variations, the open loop gain of the regulators must be very high at low frequencies. This may cause instability as a result of the vari- 4/6 ous poles present in the loop. To avoid this insta- ...
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... L9 3.50 3.93 0.137 M 2.6 Dia 3.75 3.85 0.147 inch TYP. MAX. MECHANICAL DATA 0.181 0.051 0.107 0.027 0.034 0.067 0.067 0.203 0.106 0.409 0.645 0.551 0.116 0.620 0.260 0.154 Versawatt (TO220) 0.102 0.151 L4945 OUTLINE AND TO220MEC 5/6 ...
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... L4945 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 ...