AP1605

PWM/PFM Dual-mode Step-Down Switching Regulator

Anachip Corp.

www.anachip.com.tw

Rev. 1.1 Jan 18, 2005

2/6

Ordering Information

AP 1605 X X X

Package

Packing

S: SOP-8L

Blank : Tube

A : Taping

Lead Free

Blank : Normal

L : Lead Free Package

TS: TSSOP-8L

Block Diagram

Oscillation

Circuit

Reference Voltage

Source

PWM /PFM -Switched

Control Circuit

+

-

AP1605

FB

SW

CE

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

*1

V

V

FB

FB Pin Voltage

V

ON/OFF Pin Voltage

V

Switch Pin Voltage

V

SOP-8L

1200

Power Dissipation

TSSOP-8L

700

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.