Diodes AP3591 - Manual (Page 4)

AP3591
Document number: DS36906 Rev. 1 - 2
4 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
Functional Block Diagram
Min. t OFF
1-SHOT
Q S1
Latch
On-time
Compute
1-SHOT
TRIG
GM
V
REF
SS
(internal)
125% V
REF
70% V
REF
Q S1
Latch
OV
UV
TRIG Q
90% V REF
SS Timer
Thermal
Shutdown
Diode
Emulation
Q
R
S DRV
DRV
GM
5
2
3
4
1
7
6
8
9
10
12
13
14
11
10 m A
VOUT
TON
FB
EN/DEM
GND
CS
PGOOD
PGND
LGATE
VDDP
PHASE
UGATE
BOOT
VDD