ISL6523 데이터 시트보기 (PDF) - Intersil

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ISL6523

VRM8.5 Dual PWM and Dual Linear Power System Controller

Intersil 

VSEN3

OCSET2

VSEN1

OCSET1

VCC

DRIVE3

DRIVE4

VSEN4

UGATE2

PHASE2

VSEN2

VAUX

EA3

-

+

1.5V

x0.75

- UV3

+

+

-

EA4

VCC

DRIVE2

x0.75

+

1.8V

-

+ UV4

-

200µA

+ OC2

-

GATE

CONTROL

INHIBIT

PWM

COMP2

PWM2

-

+ EA2

OV

SOFT-

START

& FAULT

LOGIC

FAULT

VCC

x0.90

+

1.2V

-

UV2

SET

Q

CLK

QD

CLR

OSCILLATOR

28µA

4.5V

x 1.10

x 0.90

x 1.15

28µA

4.5V

POWER-ON

RESET (POR)

+

200µA

-

+

-

+

-

OC1 +

-

VCC

DRIVE1

+

-

EA1

DACOUT

+

-

PWM

COMP1

GATE

CONTROL

PWM1

SYNCH

DRIVE

TTL D/A

CONVERTER

(DAC)

VCC

VAUX

PGOOD

UGATE1

PHASE1

LGATE1

PGND

GND

VTTPG

SS13

SS24

FB1 COMP1 VID3 VID2 VID1 VID0 VID25

FIGURE 1. BLOCK DIAGRAM

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