AP1506 Ver la hoja de datos (PDF) - Diodes Incorporated.

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AP1506

150KHz, 3A PWM BUCK DC/DC CONVERTER

Diodes Incorporated. 

AP1506

150KHz, 3A PWM BUCK DC/DC CONVERTER

Pin Descriptions

Pin Name

VIN

Output

GND

FB

SD

Description

Operating Voltage Input

Switching Output

Ground

Output Voltage Feedback Control

ON/OFF Shutdown

Functional Block Diagram

SD

VIN

200mV 220mV

Current

Source

bias

1.235V

Reference

2.5V

Regulator

Start

up

+

Comp

-

Comp

+

+

Frequecy

Amp compen-

3A

FB

sation

Comp

+

Pre-driver

Switch

150KHz

OSC.

Thermal

Shutdown

Output

GND

AP1506

Document number: DS31015 Rev. 7 - 2

3 of 14

www.diodes.com

June 2010

© Diodes Incorporated

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