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L5957 Datasheet(PDF) 5 Page - STMicroelectronics |
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L5957 Datasheet(HTML) 5 Page - STMicroelectronics |
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5 / 16 page  L5957 Block and pins connection diagrams Doc ID 14442 Rev 2 5/16 1 Block and pins connection diagrams Figure 1. Block diagram Figure 2. Pins connection POWER SWITCH IGNITION BUFFER THERMAL PROTECTION RESET BUFFER DUMP LOAD PROTECTION REG1 REG2 REG3 REG4 VINI (MAIN) EN_SW BU VIN2 IGNIN RES HOLD REG 4(3.3V) REG 3(5V) REG 2(PERM)(5V) REG 1(8.5V) SW IGNOUT D02AU1342/L5957 CRES ENREG3(5V) ENREG1-4(8.5V, 3.3V) GND HOLD EN_SW ENREG3(5V) ENREG1-4(8.5V, 3.3V) RES CRES IGNOUT IGNIN REG3(5V) N.C. REG1(8.5V) N.C. SW VIN1 BU REG2(5V) HEATSINK 10 8 9 7 6 5 4 3 2 13 14 15 16 17 19 18 20 12 1 11 REG4(3.3V) VIN2 D02AU1343 /L5957 PowerSO 1 2 3 4 5 6 7 9 10 11 8 BU REG2 VIN1 GND HOLD EN SW ENREG1, 4 ENREG3 CRES RES REG4 13 14 15 12 VIN2 REG3 REG1 SWITCH D03AU1513/L5957 Multiwatt |
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