AUR9707 Datasheet, PDF (3/15 Pages) BCD Semiconductor Manufacturing Limited – Dual High-efficiency PWM Step-down DC-DC Converter with OVP

Dual High-efficiency PWM Step-down DC-DC Converter with OVP
Functional Block Diagram
Data Sheet
AUR9707
EN1 , EN2
6 ,12
Saw -tooth
Generator
Oscillator
Over Current
Comparator
VIN1 , VIN2
7, 1
Bias
Generator
Soft
4 , 10
Start
FB1 , FB2
Bandgap
Reference
Current
Sensing
+
-
+
+
-
Error ^Modulator
Amplifier
-
+ Over Voltage
Comparator
Control
Logic
Buffer &
Dead Time
Control
Logic
-
Reverse Inductor ⁺
Current Comparator
Thermal
Shutdown
Figure 3. Functional Block Diagram of AUR9707
8,2
LX1 , LX2
3, 9
GND
Ordering Information
AUR9707 A
Circuit Type
A: Adjustable Output
5
Package
D: WDFN-3×3-12
G: Green
Package
WDFN-3×3-12
Temperature
Range
-40 to 80°C
Part Number
AUR9707AGD
Marking ID
9707A
Packing Type
Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "G" in the part number, are RoHS compliant and
green.
Feb. 2012 Rev. 1. 1
BCD Semiconductor Manufacturing Limited
3