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ISL6550AIR Datasheet(PDF) 3 Page - Intersil Corporation |
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ISL6550AIR Datasheet(HTML) 3 Page - Intersil Corporation |
3 / 11 page 3 FN9036.4 January 18, 2005 Block Diagram + - 11 12 13 14 15 16 17 18 20 19 10 9 8 7 6 5 4 3 2 1 VCC VOPP VOPM VOPOUT VREF5 GND OVUVTH BDAC DACHI DACLO UVDLY PGOOD START PEN OVUVSEN VID0 VID1 VID2 VID3 VID4 THRESHOLD PROGRAM 5V REF BUFFERED OPAMP UVDELAY R1 R2 R3 R4 R5 UVLOCKOUT 5V 10 µA TO 5V 10 µA TO 5V (EACH VID PIN) (POR) OV UV PEN: H = ENABLE; L = DISABLE POR: H = VDD TOO LOW; L = VDD OK OV: H = OVERVOLTAGE; L = OK UV: H = UNDERVOLTAGE; L = OK UVD: H = UV DELAY TIMED OUT; FAULT R S LATCH Q NOTE: S input dominates Q POR OV UV UVD PEN PEN POR Q: H = FAULT; L = NO FAULT Q PEN POR Q UV A FAULT R S LATCH Q NOTE: S input dominates Q POR OV UV UVD PEN PEN POR Q: H = FAULT; L = NO FAULT Q POR OV UV C PEN LOGIC BLOCK SEE OPTIONS A, C BELOW UV/OV HYST: SEE NOTE BELOW NOTE: UV/OV Hysteresis = 10% NOTE: UV/OV Hysteresis = 10% ST PG ST PG C1 (OPT) RST RPG 5-BIT DAC _BUFFER DAC ST PG NOTE: Pin numbers shown are for the 20 lead SOIC package. Please check PINOUT diagrams for QFN pin numbers. L = NO TIME-OUT ISL6550A, ISL6550C |
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