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ISL6322 Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL6322 Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 41 page ![]() 3 FN6328.0 August 21, 2006 Block Diagram DRIVER VRSEL DYNAMIC VID D/A VID7 VID6 VID5 VID4 VID3 VID2 E/A REF FB OFFSET OFS COMP RGND VSEN VDIFF ISEN3- ISEN3+ ISEN4- ∑ 1 N ∑ PWM1 ∑ ∑ BOOT1 UGATE1 PHASE1 LGATE1 PVCC1_2 BOOT2 UGATE2 PHASE2 LGATE2 BOOT3 UGATE3 PHASE3 LGATE3 PVCC3 CLOCK AND GENERATOR MODULATOR SOFT-START AND FAULT LOGIC CHANNEL DETECT VCC RESET POWER-ON 0.85V EN FS PGOOD GND 0.2V x1 ISEN4+ ∑ VID1 VID0 EN_PH4 PH4 POR/ PWM4 CH1 CURRENT SENSE CHANNEL CURRENT BALANCE OVERVOLTAGE DETECTION LOGIC UNDERVOLTAGE DETECTION LOGIC PWM2 PWM3 PWM4 MODE/DAC SELECT ISEN1- ISEN1+ ISEN2- ISEN2+ CH2 CURRENT SENSE CH3 CURRENT SENSE CH4 CURRENT SENSE I_AVG MOSFET DRIVER MOSFET DRIVER MOSFET LOAD APPLY TRANSIENT ENHANCEMENT PWM4 SIGNAL LOGIC OC I_TRIP I_AVG IDROOP OPEN SENSE LINE DETECT DETECT WAVEFORM I2C LOGIC SS/RST/A0 SDA SCL ISL6322 ISL6322 |