Diodes AP3591 - Manual (Page 2)

AP3591
Document number: DS36906 Rev. 1 - 2
2 of 18
www.diodes.com
March 2014
© Diodes Incorporated
AP3591
N
E
W
P
R
O
D
U
C
T
A Product Line of
Diodes Incorporated
Typical Applications Circuit
VDDP
BOOT
UGATE
LGATE
PHASE
VOUT
PGOOD
EN/DEM
FB
A
P
3
5
9
1
13
14
12
9
5
4
GND
7
L
1.0
C4
220 m F
R1
C2
C1
10 m F TON
Q2
Q1
C3
0.1 m F
R3
PGND
VDD
VDDP
CCM/ DEM
CS
m H
1
2
3
6 8
10
11
1 m F
C
Optional
10
R2
100K
250K
R4
18K
12K
R5
R6
30K
V OUT =1.05V
=12V V
IN
BOM
Symbol Value Description Manufacturer Part Number
C1 10µF/25V ESR < 4mΩ @400kHz Murata GRM31CR61E106KA12
C4 220µF/6.3V ESR < 9mΩ @300kHz Sanyo 6SVPE220M
L 1.0µH DCR < 4mΩ, I
MAX
= 24A Vishay IHLP5050CEER1R0M01
Q1 N-MOSFET I
DMAX
= 30A, R
DS(ON)
= Infineon BSC119N03S
Q2 N-MOSFET I DMAX = 30A, R DS(ON) = Infineon BSC119N03S