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Preliminary datasheet, Dual 1a, 1.5mh, Synchronous step-down dc-dc converter ap3427m – Diodes AP3427M User Manual

Page 2: Pin configuration, Pin description

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Preliminary Datasheet

Dual 1A, 1.5MH

Z

Synchronous Step-down DC-DC Converter AP3427M

Mar. 2013 Rev. 1.0 BCD Semiconductor Manufacturing Limited

2

Pin Configuration

DN Package

(DFN-3×3-10)


Figure 2. Pin Configuration of AP3427M (Top View)



Pin Description


Pin Number

Pin Name

Function

1

EN1

Enable signal input of channel 1, active high

2

FB1

Feedback voltage of channel 1

3

VIN2

Power supply input of channel 2

4, 9, Exposed Pad

GND

GND. It should be connected to system ground

5

LX2

Connected from channel 2’s Power MOSFET to inductor

6

EN2

Enable signal input of channel 2, active high

7

FB2

Feedback voltage of channel 2

8

VIN1

Power supply input of channel 1

10

LX1

Connected from channel 1’s Power MOSFET to inductor