AP1623

PWM Control Step-Down Switching Regulator-Converter

Anachip Corp.

www.anachip.com.tw

Rev. 0.1 Feb 10, 2004

2/6

Ordering Information

AP 1623 X X X

Package

Packing

S: SOP-8L

Blank : Tube

A : Taping

Lead Free

Blank : Normal

L : Lead Free Package

Block Diagram

Oscillation

Circuit

Reference Voltage

Source with Soft Start

PWM-Switched

Control Circuit

+

-

+

C

OUT

V

ON/OFF

ON/OFF

SD

L

SD

SW

R

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

*1

V

V

VOUT pin voltage

V

*1

ON/OFF pin voltage

V

Switch pin voltage

V

Power dissipation

800

mW

Operating temperature range

-20 to +85

Storage temperature range

-20 to +125

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.