ISL6557 查看數據表（PDF） - Intersil

零件编号

产品描述 (功能)

比赛名单

ISL6557

Multi-Phase PWM Controller for Core-Voltage Regulation

Intersil 

Block Diagram

ISL6557

VDIFF PGOOD

VCC

RGND

-

x1

+

POWER-ON

RESET (POR)

VSEN

0.9V

-

UV

+

OV

S LATCH

+

OVP

-

2.1V

SOFT-

START

AND FAULT

LOGIC

+

∑

-

+

∑

-

CLOCK AND

SAWTOOTH

GENERATOR

+

PWM

-

+

PWM

-

COMP

VID0

VID1

VID2

VID3

VID4

2.5V

DYNAMIC

VID

D/A

+

E/A

-

+

∑

-

+

∑

-

+

PWM

-

+

PWM

-

1.23V

-

+

EN

FS

PWM1

PWM2

PWM3

PWM4

FB

IOUT

CURRENT

CORRECTION

IOC

-

+

OC

+

+

∑+

I_TOT

+

PHASE

NUMBER

CHANNEL

DETECTOR

ISEN1

ISEN2

ISEN3

ISEN4

GND

2

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