Diodes AUR9717 - Manual (Page 2)

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