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ISL9440AIRZ Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL9440AIRZ Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 20 page Block Diagram PWM1 OC1 VCC_5V VCC_5V VCC_5V OCP OC2 CHANNEL 2 FB2 PWM2 OC3 OC2 OC1 VCC_5V EN1 EN3 EN2 PGND ERROR AMP 1 FB1 180k Ω + 0.8V 18.5pF 1400k Ω REF 16k Ω - + ISEN2 OCSET2 2 CLOCK CYCLES SAME STATE FOR REQUIRED TO LATCH OVERCURRENT FAULT CHANNEL 3 PWM3 OC3 FB3 ISEN3 OCSET3 FB3 FB2 FB1 FB4 VIN UV/OV UV PGOOD PHASE1 UGATE1 BOOT1 LGATE1 ADAPTIVE DEAD-TIME V/I SAMPLE TIMING VIN PGND RST VIN VCC_5V SGND ADAPTIVE DEAD-TIME PHASE2 UGATE2 BOOT2 LGATE2 PGND V/I SAMPLE TIMING VCC_5V VCC_5V VCC_5V ISEN1 SAMPLE CURRENT SAMPLE CURRENT + 1.75V REFERENCE OCSET1 DUTY CYCLE RAMP GENERATOR PWM CHANNEL PHASE CONTROL PGOOD - + - + - + - + G4 + 0.8V REFERENCE FB4 VE gm*VE ADAPTIVE DEAD-TIME PHASE3 UGATE3 BOOT3 LGATE3 PGND V/I SAMPLE TIMING CHANNEL 1 POR FAULT LATCH REFERENCE ENABLE SOFT-START BIAS SUPPLIES EARLY WARNING (see note 6) |
Similar Part No. - ISL9440AIRZ |
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