Diodes AUR9707 - Manual (Page 2)

Data Sheet
Dual High-efficiency PWM Step-down DC-DC Converter with OVP AUR9707
Feb. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
2
Pin Configuration
D Package
(WDFN-3×3-12)
1
2
3
4
5
6 7
8
9
10
11
12
Pin 1 Dot
by Marking
Exposed
Pad
Figure 2. Pin Configuration of AUR9707 (Top View)
Pin Description
Pin Number Pin Name Function
1 VIN2 Power supply input of channel 2
2 LX2 Connection from power MOSFET of channel 2 to inductor
3, 9 GND
This pin is the GND reference for the NMOSFET power stage. It
must be connected to the system ground
4 FB1 Feedback voltage of channel 1
5, 11 NC1,NC2 No internal connection (floating or connecting to GND)
6 EN1 Enable signal input of channel 1, active high
7 VIN1 Power supply input of channel 1
8 LX1 Connection from power MOSFET of channel 1 to inductor
10 FB2 Feedback voltage of channel 2
12 EN2 Enable signal input of channel 2, active high