Rev D

PSAYC SERIES

2 Watt

AC/DC Switching Power Supplies

08/25/2015

Wall Industries, Inc. • 37 Industrial Dr., Exeter, NH 03833 • Tel: 603-778-2300 • Toll Free: 888-597-9255 • Fax 603-778-9797

website: www.wallindustries.com • e-mail: sales@wallindustries.com

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Reduce the Output Ripple and Noise:

Using a LC filer or a capacitor reduces the output ripple and noise (Figure 3.1)

Class II Suggested Circuit for General Application Circuitry Connection:

Item

Location

Description

1

F1

AYC

Slow blow Fuse 3.15A/300V

2

RV1

Vin(Max)=264

14S471K or 20S471K

Vin(Max)=305

14S561K or 20S561K

3

RV2

Vin(Max)=264

14S471K or 20S471K

Vin(Max)=305

14S561K or 20S561K

4

RV3

Vin(Max)=264

14S471K or 20S471K

Vin(Max)=305

14S561K or 20S561K

5

C1

X Capacitor

0.1uF~0.68uF 300V X1

6

L1

10~50mH

7

D1

TVS (Vout=3.3V)

SMBJ5.0A or 600W↑ (Peak)

TVS (Vout=5V)

SMBJ7.0A or 600W↑ (Peak)

TVS (Vout=9V)

SMBJ12A or 600W↑ (Peak)

TVS (Vout=12V)

SMBJ20A or 600W↑ (Peak)

TVS (Vout=15V)

SMBJ20A or 600W↑ (Peak)

TVS (Vout=24V)

SMBJ30A or 600W↑ (Peak)

TVS (Vout=48V)

SMBJ64A or 600W↑ (Peak)

8

CY1

Y Capacitor

220pF~4700pF 250V Y2

9

CY2

Y Capacitor

220pF~4700pF 250V Y2

10

RT1

ɸ8~ɸ20 10R

11

L2

3.3uH~100uH

12

L3

3.3uH~100uH

13

C2

Aluminum

47uF or 47uF↑

14

C3

Solid Capacitor

0.1uF

15

SA1

Surge Absorber (Vout=5VDC

3KV