Data sheet, Functional block diagram, Ordering information – Diodes AP3503 User Manual
Page 3
Data Sheet
340kHz, 3A Synchronous DC-DC Buck Converter AP3503
May. 2012 Rev. 1. 7 BCD Semiconductor Manufacturing Limited
3
TR: Tape & Reel
Blank: Tube
Functional Block Diagram
S
R
Q
Q
INTERNAL
REGULATOR
OSCILLATOR
2
7
5
4
3
1
VA
BS
SW
GND
EA
6
COMP
FB
EN
IN
COMPARATOR
8
SS
CURRENT
SENSE
AMPLIFIER
CLK
SLOP
COMP
PWM
COMPARATOR
1.3V
+
SCP
VA
VB
VB
6 A
90 k/340 k
0. 925 V
2. 5V
M1
M 2
0.3V
COMPARATOR
1.5V
SHUTDOWN
LOCK
Figure 3. Functional Block Diagram of AP3503
Ordering Information
AP3503
-
Circuit Type
Package
Temperature
Range
Part Number
Marking ID
Packing Type
PSOP-8
-40 to 85
°C
AP3503MP-G1 3503MP-G1
Tube
AP3503MPTR-G1
3503MP-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
Package
MP: PSOP-8