ISL8540 데이터 시트보기 (PDF) - Intersil

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ISL8540

DC/DC Power Switching Regulator

Intersil 

ISL8540

REF

SS

SOFT-

START

COMP

EN

BANDGAP

1.21V

EAMP

FB

3pF

1.6k

+14% +

+

-14%

RTCT

SYNC

VCC5

RAMP

GEN

OSC

LDO

+

PWM

COMP

OVFLT

PWM

LOGIC

CONTROLLER

PROTECTION

DRIVER

UVFLT

OCFLT

+

CSA

3µs

DELAY

BOOT

VIN

LX

PGND

PGOOD

SGND

FIGURE 1. BLOCK DIAGRAM OF THE ISL8540

5

FN6495.5

September 9, 2008

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