l4953 STMicroelectronics, l4953 Datasheet
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l4953
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l4953 Summary of contents
Page 1
... OVERVOLTAGE – THERMAL PROTECTION RESET FUNCTION IGNITION COMPARATOR REVERSE BATTERY AND LOAD DUMP PROTECTION THERMAL SHUTDOWN DESCRIPTION The L4953 contains a triple voltage regulator and a power switch. The IC includes a monitoring circuit to warn if a BLOCK DIAGRAM LOAD DUMP AND REV BATT PROT ...
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... L4953 ABSOLUTE MAXIMUM RATINGS Symbol V DC Operating Supply Voltage SDC V Transient Supply Voltage STR I Output Current O T Operating Temperature Range op T Storage Temperature stg PIN CONNECTION (Top view) TAB CONNECTED TO PIN 8 THERMAL DATA Symbol R Thermal Resistance Junction-case th j-case 2/6 Parameter internally limited ...
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... O 5.5V < V < 10V I = 500mA 500mA O Output Shorted to GND 500 f = 3KHz 45 3.5 100 18V 14 16V < V < 15V 3.5 100 10 L4953 Typ. Max. Unit 18 V 200 400 150 mV 0.2 0.6 V 0 ...
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... L4953 ELECTRICAL CHARACTERISTICS (continued) FAULT Symbol Parameter TH Fault Threshold fault HYST Fault Threshold Hysteresis fault OUT Fault Output Voltage fault I Fault Leakage Current leak RESET THON Reset ON Threshold reset HYST Reset Threshold Hysteresis reset OUT Reset Output Voltage reset I Reset Leakage Current ...
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... L2 17.65 18.1 0.695 L3 17.25 17.5 17.75 0.679 0.689 L4 10.3 10.7 10.9 0.406 0.421 L7 2.65 2.9 0.104 M 4.25 4.55 4.85 0.167 0.179 M1 4.63 5.08 5.53 0.182 0.200 S 1.9 2.6 0.075 S1 1.9 2.6 0.075 Dia1 3.65 3.85 0.144 OUTLINE AND MAX. MECHANICAL DATA 0.197 0.104 0.063 0.022 0.030 0.060 0.710 0.795 0.886 0.886 0.713 0.699 0.429 0.114 0.191 0.218 0.102 Multiwatt15 V 0.102 0.152 L4953 5/6 ...
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... L4953 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 ...