EL7512CY 데이터 시트보기 (PDF) - Renesas Electronics

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EL7512CY

High Frequency PWM Step-Up Regulator

Renesas Electronics 

EL7512

Block Diagram

10k 4.7nF

80.6k

VOUT

1k

0.1µF

47µF

FB

RT

100k

MAX_DUTY

Reference

Generator

VREF

VRAMP

PWM

Comparator

VDD

Thermal

Shut-down

PWM

Logic

15µF

VIN

10µF

LX

0.3

EN

LBO

LBI

-

+

210mV

Start-up

Oscillator

12µA

-

+

ILOUT

7.2k

SGND

SS

20nF

80m

PGND

FN7290 Rev 1.00

May 23, 2005

Page 3 of 8

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