AP3003S-5.0TRE1 查看數據表（PDF） - BCD Semiconductor

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AP3003S-5.0TRE1

150kHz 3A BUCK DC-DC CONVERTER

BCD Semiconductor 

150kHz 3A BUCK DC-DC CONVERTER

Pin Configuration

Data Sheet

AP3003

T Package

(TO-220-5)

5

4

3

2

1

Metal Tab GND

S Package

(TO-263-5)

ON/OFF

5

FEEDBACK

4

GND

3

OUTPUT

2

VIN

1

Metal Tab GND

ON/OFF

FEEDBACK

GND

OUTPUT

VIN

Figure 2. Pin Configuration of AP3003 (Top View)

Pin Description

Pin Number

1

2

3

4

5

Pin Name

Function

VIN

Unregulated input voltage

OUTPUT Switch driver output

GND

Ground

FEEDBACK Feedback Pin. For fixed version, connect it to system output. For adjustable version,

connect it with an external resistor and capacitor feedback network to program the sys-

tem output voltage

ON/OFF The TTL logic compatible input to control the regulator on or off

Feb. 2007 Rev. 1. 1

BCD Semiconductor Manufacturing Limited

2

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