Diodes AP3203 - Manual (Page 3)

Preliminary Datasheet
380kHz, 3A Asynchronous DC - DC Buck Converter AP3203
Mar. 2011 Rev. 1. 0 BCD Semiconductor Manufacturing Limited
3
TR: Tape & Reel
Blank: Tube
Functional Block Diagram
S
R
Q
Q
Internal Bias
and Regulator
Oscillator
90k/380k
2
1
5V
M1
0.12
BS
Current
Sense
Amplifier
CLK
SLOP COMP
7
5
4
3
M2
10
SW
GND
Error
Amplifier
6
COMP FB
1.222
0.6
Short
Protection
Comparator
Shutdown
Comparator
0.4/1.5V
1.3V
8
SS
PWM
Comparator
IN
EN
V
A
V
B
V
B
6 A
Internal
Pull High
Figure 3. Functional Block Diagram of AP3203
Ordering Information
AP3203 -
Circuit Type
Package
MP: PSOP-8
Package
Temperature
Range
Part Number Marking ID Packing Type
AP3203MP-G1 3203MP-G1 Tube
PSOP-8 -40 to 85ºC
AP3203MPTR-G1 3203MP-G1 Tape & Reel
BCD Semiconductor's Pb-free products, as designated with "G1" suffix in the part number, are RoHS compliant
and green.
G1: Green