AP1522 Ver la hoja de datos (PDF) - Anachip Corporation

Número de pieza

componentes Descripción

Lista de partido

AP1522

Step-Up DC/DC Converter

Anachip Corporation 

Step-Up DC/DC Converter

„ Block Diagram

AP1522

FB 3

VIN 5

VREF

1.25V

A1

-+

SHDN 4

Shutdown

Comparator

A2

R

Q

S

Driver

1 SW

Q1

RC

CC

Σ

RAMP

Generator

1MHz

Oscillator

2 GND

„ Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

VIN

VIN Pin Voltage

VSW

SW Voltage

10

V

36

V

VFB

Feedback Pin Voltage

10

V

VSHDN SHDN Pin Voltage

10

V

TJ

Maximum Junction Temperature

125

oC

TLEAD Power Dissipation

300

oC

TOPR Operating Temperature Range

-40 to +85

oC

TSTG Storage Temperature Range

-40 to +125

oC

Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical

damage. These values must therefore not be exceeded under any conditions.

Anachip Corp.

www.anachip.com.tw

Rev. 1.0 May. 5, 2005

2/8

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