Diodes AP3427M - Manual (Page 3)

Preliminary Datasheet
Dual 1A, 1.5MH
Z
Synchronous Step-down DC-DC Converter AP3427M
Mar. 2013 Rev. 1.0 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
-
+
-
+
-
+
-
+
EN1/EN2
FB1/
LX1/
VIN1/ VIN2
GND
2/7
1/6 8/3
10/5
4/9
FB2
LX2
Thermal
Shutdown
Figure 3. Functional Block Diagram of AP3427M
Ordering Information
AP3427M -
Circuit Type G1: Green
Package
TR: Tape & Reel
DN: DFN-3×3-10
Package
Temperature
Range
Part Number Marking ID
Packing
Type
DFN-3×3-10 -40 to 80
°C
AP3427MDNTR-G1 BFE Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant
and green.