ISL6524 Ver la hoja de datos (PDF) - Intersil

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Lista de partido

ISL6524

VRM8.5 PWM and Triple Linear Power System Controller

Intersil 

Block Diagram

DRIVE3

DRIVE4

VSEN4

FIX

DRIVE2

VSEN2

VSEN3

VSEN1

OCSET

VCC

VAUX

1.5V or 1.26V

EA3

-

+

+

-

EA4

x0.75

x0.75

+ 1.8V or 1.26V

-

- UV3

+

+ UV4

-

x 1.10

x 0.90

x0.90

+

1.2V

-

UV2

SET

Q

CLK

QD

CLR

INHIBIT

-

+ EA2

x 1.15

OV

SOFT-

START

AND FAULT

LOGIC

FAULT

VCC

OSCILLATOR

28µA

4.5V

28µA

4.5V

POWER-ON

RESET (POR)

+

200µA

-

+

-

+

-

OC

+

-

VCC

DRIVE1

+

-

EA1

DACOUT

+

-

PWM

COMP

PWM

GATE

CONTROL

SYNCH

DRIVE

TTL D/A

CONVERTER

(DAC)

VCC

VAUX

PGOOD

UGATE

PHASE

LGATE

PGND

GND

VTTPG

FAULT/RT SS13

SS24

FIGURE 1.

FB COMP VID3 VID2 VID1 VID0 VID25

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