GGER2 GSINK GND A8437-DS, Rev. 1 VPULLUP 100 k GSOURCE TRIGGER1 Connect to VIN REG CHARGE DONE IGBT Driver COUT 100 F 315 V VIN TRIGGER2 GND Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver A8437 Selection Guide Part Number Package Packing A8437ECGLT* 12-ball WLCSP Tape and reel, 4000 pieces per reel A8437EEJTR-T 10-contact DFN/MLP Tape and reel, 1500 pieces per reel *Contact Allegro for additional ordering information. Absolute Maximum Ratings Characteristic Symbol Notes Rating Units -0.3 to 40 V -0.3 to 6.0 V -0.6 to VIN + 0.3 V V DC voltage. SW Pin VSW VIN Pin VIN (VSW is self-clamped by internal active clamp and is allowed to exceed 40 V during flyback spike durations. Maximum repetitive energy during flyback spike: 0.5 J at frequency 400 kHz.) Care should be taken to limit the current when -0.6 V is applied to these pins. NE Pins CHARGE, TRIGGERx, DO -0.3 to VIN + 0.3 V V -40 to 85 C TJ(max) 150 C Tstg -55 to 150 C Remaining Pins Operating Ambient Temperature Maximum Junction

GGER2 GSINK GND A8437-DS, Rev. 1 VPULLUP 100 k GSOURCE TRIGGER1 Connect to VIN REG CHARGE DONE IGBT Driver COUT 100 F 315 V VIN TRIGGER2 GND Mobile Phone Xenon Photoflash Capacitor Charger with IGBT Driver A8437 Selection Guide Part Number Package Packing A8437ECGLT* 12-ball WLCSP Tape and reel, 4000 pieces per reel A8437EEJTR-T 10-contact DFN/MLP Tape and reel, 1500 pieces per reel *Contact Allegro for additional ordering information. Absolute Maximum Ratings Characteristic Symbol Notes Rating Units -0.3 to 40 V -0.3 to 6.0 V -0.6 to VIN + 0.3 V V DC voltage. SW Pin VSW VIN Pin VIN (VSW is self-clamped by internal active clamp and is allowed to exceed 40 V during flyback spike durations. Maximum repetitive energy during flyback spike: 0.5 J at frequency 400 kHz.) Care should be taken to limit the current when -0.6 V is applied to these pins. NE Pins CHARGE, TRIGGERx, DO -0.3 to VIN + 0.3 V V -40 to 85 C TJ(max) 150 C Tstg -55 to 150 C Remaining Pins Operating Ambient Temperature Maximum Junction