Data sheet, Pin configuration, Pin description – Diodes AUR9717 User Manual
Page 2: Pin number pin name function

Data Sheet
Dual 1A, 1.5MHz PWM Step-down DC-DC Converter with OVP AUR9717
Oct. 2011 Rev. 1.0 BCD Semiconductor Manufacturing Limited
2
Pin Configuration
D Package
(WDFN-3×3-10)
1
2
3
4
5
6
7
8
9
10
Pin 1 Mark
EN1
FB1
VIN2
GND
LX2
EN2
FB2
VIN1
GND
LX1
Figure 2. Pin Configuration of AUR9717 (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
GND
This pin is the GND reference for the NMOSFET power stage. It
must be connected to the system ground
5
LX2
Connection from power MOSFET of channel 2 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
Connection from power MOSFET of channel 1 to inductor
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