EL7512 데이터 시트보기 (PDF) - Intersil

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EL7512

High Frequency PWM Step-Up Regulator

Intersil 

Block Diagram

EL7512

10kΩ 4.7nF

80.6k

VOUT

1kΩ

0.1µF

47µF

FB

VDD

RT

100kΩ

MAX_DUTY

Reference

Generator

VREF

VRAMP

PWM

Comparator

Thermal

Shut-down

PWM

Logic

15µF

VIN

10µF

LX

0.3Ω

EN

LBO

LBI

-

+

210mV

Start-up

Oscillator

12µA

-

+

ILOUT

7.2k

80mΩ

SGND

SS

20nF

PGND

3

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