Datasheet NCP1200 (ON Semiconductor) - 12

NCP1200
R7 Clamping L5 Network 330 mH L4 2.2 mH R 6.5 V @ 600 mA clamp D3 + + 1N5819 C5 C10 C3 + C2 + 470 mF/ 4.7 mF/ 4.7 mF 4.7 mF Clamp T1 10 V 10 V 400 V 400 V NCP1200 D 1 clamp Adj HV 8 Snubber 2 FB NC 7 Optional Networks 3 CS VCC 6 R R2 Snubber 4 GND 220 Drv 5 M1 CSnubber Universal MTD1N60E Input + L6 C9 R6 R9 330 10 mH mF 2.8 D6 10 IC1 5 V1 SFH615A−2
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 Coilcraft
Via Plinio 10, 1102 Silver Lake Road 22030 Orsenigo Cary, Illinois 60013 USA (Como) Italia Tel: (847) 639−6400 Tel.: +39−031−636 111 Fax: (847) 639−1469 Fax : +39−031−636 280 Email: info@coilcraft.com Email: eldor@eldor.it http://www.coilcraft.com www.eldor.it ref. 1: Y8844−A: 3.5 W version ref. 1: 2262.0058C: 3.5 W version (Lp = 2.9 mH, Lleak = 65 mH, E16) (Lp = 2.9 mH, Lleak = 80 mH, E16) ref. 2: Y8848−A: 10 W version ref. 2: 2262.0059A: 5 W version (Lp = 1.8 mH, Lleak = 45 mH, 1:01, E core) (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)
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