Owner's manual

AP4312
Document number: DS36797 Rev. 1 - 2
3 of 11
www.diodes.com
January 2014
© Diodes Incorporated
AP4312
A Product Line of
Diodes Incorporated
Typical Applications Circuit (Cont.)
Typical Application 3
Pin Descriptions
Pin Number
Pin Name
Function
1
V
CTRL
Input pin of the voltage control loop
2
GND
Ground
3
V
OUT
Output pin. Sinking current only
4
I
CTRL
Input pin of the current control loop
5
V
SENSE
Input pin of the current control loop
6
V
CC
Power Supply
)(
1
21
SSLREFOUT
RI
R
RR
VV 


 
SSREFSENSE
REFSENSE
RVV
VV
itCurrentLim



1.210V
V
CC
V
OUT
GND
V
SENSE
I
CTRL
R
SS
R4
To
primary
R2
R1
V
OUT
+
V
OUT
-
Load
C1
R3
C3
R5
R6
500
V
CTRL
AP4312
+
+
I
L