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
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