AP1511

PWM Control 5A Step-Down Converter

Anachip Corp.

www.anachip.com.tw

Rev. 1.1 Mar 4, 2005

2/5

Ordering Information

AP 1511 X X

Package

Packing

S: SOP-16L

Blank : Tube

A : Taping

Block Diagram

Oscillation

Circuit

Reference Voltage

Source with Soft Start

PWM - Switched

Control Circuit

+

-

Vss

EN

Vccp

Output

100uA

OCSET

FB

V

C

Vcc

Vref

CT

V

ON/OFF

Driver

Thermal

Shutdown

(Comp)

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

*1

V

V

*1

ON/OFF Pin Voltage

V

Switch Pin Voltage

V

Power Dissipation

Internally limited

mW

Operating Temperature Range

-20 to +125

Storage Temperature Range

-40 to +150

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.