Diodes AP3409/A - Manual (Page 2)

AP3409/A
Document number: DS36789 Rev. 2 - 2
2 of 11
www.diodes.com
January 2014
© Diodes Incorporated
AP3409/A
A Product Line of
Diodes Incorporated
Typical Applications Circuit
(Note 4)
A
P
3
4
0
9
SHDN/RT
GND
SW
PGND
COMP
FB
VDD
PVDD
V
IN
5V
R
OSC
330k
L1 2.0
m
H
C
IN
22 m F
C1
22pF
C
OUT
22
m
F ×2
R1
510k
R2 240k
C
COMP
1000pF R
COMP
30k
V
OUT
2.5V/3A
Typical Application of AP3409
A
P
3
4
0
9
A
SHDN/RT
GND
SW
PGND
COMP
FB
PGOOD
VDD
(PVDD)
V
IN
5V
R
OSC
330k
L1 2.0
m
H
C
IN
22
m
F
C1
22pF
C
OUT
22
m
F ×2
R1
510k
R2 240k
C
COMP
1000pF R
COMP
30k
V
OUT
2.5V/3A
R4
100k
Typical Application of AP3409A
Notes 4:
2
) 2 1 (
R
R R V
V FB
OUT
 
