Diodes AP1694 - Manual (Page 2)

AP1694
Document number: DS36522 Rev. 2 - 2
2 of 9
www.diodes.com
December 2013
© Diodes Incorporated
AP1694
A Product Line of
Diodes Incorporated
NEW PROD
UC
T
Typical Applications Circuit
VCC
RI
SGND
GND
CS
OUT
FB
L
N
R1
AP
1
69
4
BD1
ZD
L1
C1
C2
R7
R6
R8
R12
R9
R11
Q1
T1
U1
R10
C4
F1
TVS1
LED+
LED-
D2
R5
C3
+
R2
R3
R4
D1
Q2
2
3
6
4
7
5
8
Pin Descriptions
Pin Number Pin Name Function
1 NC No connection.
2 RI The initial on time setting resistor.
3 SGND Must connect to GND.
4 CS Primary current sensing.
5 FB The feedback voltage from auxiliary winding
6 GND Ground.
7 OUT Gate driver output.
8 VCC Supply voltage of gate driver and control circuits of the IC.