EL7515 데이터 시트보기 (PDF) - Renesas Electronics

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EL7515

High Frequency PWM Step-Up Regulator

Renesas Electronics 

EL7515

Block Diagram

10k 4.7nF

82k

FB

VOUT

1.4k

0.1µF

22µF

VDD

MAX_DUTY

RT

100k

REFERENCE

GENERATOR

VREF

VRAMP

PWM

COMPARATOR

THERMAL

SHUT-DOWN

PWM

LOGIC

10µA

VIN

10µF

LX

0.2

EN

LBO

LBI

-

+

220mV

START-UP

OSCILLATOR

12µA

-

+

ILOUT

7.2k

80m

SGND

SS

20nF

PGND

FN7120 Rev 2.00

August 10, 2007

Page 4 of 9

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