AP1605

Document number: DS31021 Rev. 3 - 2

3 of 7

www.diodes.com

December 2017

© Diodes Incorporated

AP1605

Pin Descriptions

Pin Number

Pin Name

Description

1

FB

Feedback pin

2

CE

Chip Enable:

H: Enable

L: Disable

3

4

IC power supply pin

5, 6

SW

Switch Pin. Connect external inductor/diode here. Minimize trace area at this pin to reduce EMI.

7, 8

GND Pin

Functional 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

CE Pin Voltage

V

SW Pin Voltage

V

Power Dissipation

1200

mW

Operating Temperature Range

-20 to +85

°C

Storage Temperature Range

-20 to +125

°C

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.