Diodes AP1506 User Manual download pdf (Page 3)

AP1506

150KHz, 3A PWM BUCK DC/DC CONVERTER

AP1506

Document number: DS31015 Rev. 7 - 2

3 of 14

www.diodes.com

June 2010

© Diodes Incorporated

Pin Descriptions

Functional Block Diagram

Current

Source

bias

1.235V

Reference

2.5V

Regulator

150KHz

OSC.

Start

up

+

-

Thermal

Shutdown

Pre-driver

Comp

GND

Output

SD

FB

220mV

200mV

3A

Switch

Frequecy

compen-

sation

+

-

Comp

+

-

Comp

+

-

Amp

V

IN

Pin Name Description

V

IN

Operating Voltage Input

Output Switching Output

GND Ground

FB Output Voltage Feedback Control

SD ON/OFF Shutdown

1 2 3 4 5 6 7 8 ... 13 14

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