L5101 데이터 시트보기 (PDF) - Unisonic Technologies

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L5101

WHITE LED STEP-UP CONVERTER

Unisonic Technologies 

L5101

BLOCK DIAGRAM

LINEAR INTEGRATED CIRCUIT

OVP

Over Voltage

Comparator

27V +

-

PWM/PFM

Control

VIN

95mV

VREF

Control

M1

+

Logic

Driver

Error

+ AMP

-

PWM

Comparator

FB

-

1.2MHz

Slope Oscillator

RC Compensation

CC

+

RS

Internal

Soft Start

Current AMP. -

SHDN

SW

GND

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

3 of 9

QW-R103-026,A

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