AP1605

PWM/PFM DUAL-MODE STEP-DOWN SWITCHING

REGULATOR

AP1605 Rev. 2

3 of 8

FEBRUARY 2009

www.diodes.com

Block Diagram

Oscillation

Circuit

Reference Voltage

Source

PWM /PFM -Switched

Control Circuit

+

-

AP1605

FB

SW

CE

Absolute Maximum Ratings

Symbol

Parameter

Rating

Unit

V

V

FB

FB Pin Voltage

V

ON/OFF Pin Voltage

V

Switch Pin Voltage

V

Power Dissipation

1200

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.