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NCP4326 Datasheet(PDF) 2 Page - ON Semiconductor

Part No. NCP4326
Description  Secondary Controller for Multi−Output Quasi−Resonant Switchmode Power Supplies
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
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NCP4326
http://onsemi.com
2
D8
L1
Vout_12V
GND
D5
D6
Q4
Q5
C3
2.2 mF
C5
C8
Vout_3V3
Vout_5V
DRV1
DRV2
C4
GND
GND
GND
Mag
Vout_3V3
Vout_5V
DRV1
DRV2
R18
8.66k
R17
1k
GND
R16
1k
R9
RES1
R5
3.32k
R15
1.1k
GND
R6
825
R13
511
GND
C15
10 nF
R11
RES1
Mag
VregM
VregM
C13
10 nF
R8
RES1
C14
10 nF
R7
RES1
R10
RES1
C17
CAP
C16
CAP
GND
EN1
EN2
L2
L3
C6
C7
C12
100 nF
GND
C11
100 nF
C10
2.2 nF
STBY
GND
GND
R14
10k
T1
D4
C9
Neg Out
VCC
12
CP1
1
FB1
2
CP2
4
FB2
5
Ct
6
SYNC
7
CPm
8
FBm
9
EN2
3
DRV2
11
EN1
16
DRV1
13
GND
15
Flux
14
STBY
10
U3
NCP4326
GND
Figure 1. Typical Application Schematic
2.2
mH
10
mH
10
mH
100
mF
100
mF
100
mF
+
+
470
mF
470
mF
470
mF
+
+
+
+
+




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