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ISL6553 Datasheet(PDF) 2 Page - Intersil Corporation |
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ISL6553 Datasheet(HTML) 2 Page - Intersil Corporation |
2 / 15 page ![]() 2 Block Diagram Simplified Power System Diagram ∑ ∑ D/A CURRENT CORRECTION OV LATCH POWER-ON RESET (POR) X1.15 SOFT- START AND FAULT LOGIC + - + - UV OVP + - E/A + - PWM PWM OC + - PWM1 PWM2 ISEN1 ISEN2 GND PGOOD VCC FB I_TRIP FS/EN S STATE I_TOT + - + - + + - CLOCK AND THREE VID3 VID2 VID1 VID0 VID25mV COMP VSEN GENERATOR SAWTOOTH + ∑ X 0.9 SYNCHRONOUS ISL6553 MICROPROCESSOR VSEN VID RECTIFIED BUCK CHANNEL SYNCHRONOUS RECTIFIED BUCK CHANNEL PWM 1 PWM 2 ISL6553 |