NCP1200 24. A typical AC-DC wall adapter showing the reduced part count due to the NCP1200 Application Schematic

ON Semiconductor

find NCP1200 datasheet
NCP1200 circuit
NCP1200
R7
L5
330
mH
Clamping
Network
R
clamp
C3 +
4.7
mF
400 V
C2
4.7
mF
400 V
+
Clamp
NCP1200
1
2
3
4
Universal
Input
L6
330
mH
C9
10
mF
Adj
FB
CS
HV 8
NC 7
V
CC
6
M1
+
R9
10
R
Snubber
C
Snubber
R2
220
D
clamp
Snubber
Optional
Networks
T1
D3
L4
2.2
mH
6.5 V @ 600 mA
+
C5
470
mF/
10 V
+
C10
4.7
mF/
10 V
GND Drv 5
R6
2.8
IC1
D6
5 V1
Figure 24. A typical AC-DC wall adapter showing the reduced part count due to the NCP1200
T1: Lp = 2.9 mH, Np:Ns = 1:0.08, leakage = 80
mH,
E16 core, NCP1200P40
To help designers during the design stage, several manufacturers propose ready-to-use Transformers for the above
application, but can also develop devices based on your particular specification:
Eldor Corporation Headquarter
Via Plinio 10,
22030 Orsenigo
(Como) Italia
Tel.: +39-031-636 111
Fax : +39-031-636 280
Email: eldor@eldor.it
www.eldor.it
ref. 1: 2262.0058C: 3.5 W version
(Lp = 2.9 mH, Lleak = 80
mH,
E16)
ref. 2: 2262.0059A: 5 W version
(Lp = 1.6 mH, Lleak = 45
mH,
E16)
Atelier Special de Bobinage
125 cours Jean Jaures
38130 ECHIROLLES FRANCE
Tel.: 33 (0)4 76 23 02 24
Fax: 33 (0)4 76 22 64 89
Email: asb@wanadoo.fr
ref. 1: NCP1200-10 W-UM: 10 W for USB
(Lp = 1.8 mH, 60 kHz, 1:0.1, RM8 pot core)
Coilcraft
1102 Silver Lake Road
Cary, Illinois 60013 USA
Tel: (847) 639-6400
Fax: (847) 639-1469
Email: info@coilcraft.com
http://www.coilcraft.com
ref. 1: Y8844-A: 3.5 W version
(Lp = 2.9 mH, Lleak = 65
mH,
E16)
ref. 2: Y8848-A: 10 W version
(Lp = 1.8 mH, Lleak = 45
mH,
1:01, E core)
http://onsemi.com
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