AP1507(2007) 데이터 시트보기 (PDF) - Diodes Incorporated.

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AP1507
(Rev.:2007)

150KHz, 3A PWM BUCK DC/DC CONVERTER

Diodes Incorporated. 

Pin Assignments

AP1507

150KHz, 3A PWM BUCK DC/DC CONVERTER

Pin Descriptions

(Top View)

Metal Tab GND

TO252-5L

5 SD

4 FB

3 GND

2 Output

1 VIN

Name

VIN

Output

GND

FB

SD

Description

Operating Voltage Input

Switching Output

Ground

Output Voltage Feedback Control

ON /OFF Shutdown

Block Diagram

SD

VIN

200mV

220mV

Current

Source

Bias

1.235V

Reference

2.5V

Regulator

Start

Up

+

Com_p

Comp

+

+

Frequency

FB

_Amp

Compen-

sation

Comp

+

Pre-

Driver

3A

Switch

150kHz

OSC.

Thermal

Shutdown

Output

GND

AP1507 Rev. 1

2 of 10

www.diodes.com

FEBRUARY 2007

© Diodes Incorporated

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