Diodes AP3432 - Manual (Page 3)

Data Sheet
1.5MHz, 2.5A, Step-down DC-DC Converter AP3432
Jun. 2013 Rev. 1. 1 BCD Semiconductor Manufacturing Limited
3
Functional Block Diagram
Over Current
Comparator
Bias
Generator
Saw -tooth
Generator
Oscillator
Soft
Start
Bandgap
Reference
Current
Sensing
Control
Logic
Buffer &
Dead Time
Control
Logic
+
Reverse Inductor
Current Comparator
Over Voltage
Comparator
Modulator
Error
Amplifier
-
+
-
+
-
+
-
+
FB
1
6
GND
SW
VIN_SW
4
EN
2
3
VIN_A
5
Figure 3. Functional Block Diagram of AP3432
Ordering Information
AP3432 -
Package
Temperature
Range
Part Number Marking ID Packing Type
DFN-3×3-6 -40 to 80°C AP3432DNTR-G1 BQA Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "G1" in the part number, are RoHS compliant and
green.
G1: Green
TR: Tape & Reel
Package
DN: DFN-3×3-6
Circuit Type