E L E C T R O N I C S I N C .

Flyback Power Transformer

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

EPC3130-X

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Electrical Parameters @ 25° C

Unless Otherwise Specified Dimensions are in Inches /mm ± .010 /.25

CSC3130-X

Rev. 7

9/27/04 FT

Package

Voltage

(Vdc)

Primary OCL

(µH ± 10%)

273

490

342

466

466

256

@ 10 KHz, 0.1 Vrms

TOP249Y

TOP234Y

TOP247Y

TOP247Y

TOP244Y

Viper 100

Chipset

120-375

120-375

120-375

120-375

120-375

120-395

V in

19

12

35

24

24

24

V out 1

Current

(Amp.)

PCA

Part Number

EPC3130-1

EPC3130-2

EPC3130-3

EPC3130-4

EPC3130-5

EPC3130-6

19

12

35

12

5

24

V out 2

15

15

15

15

15

13

V out 3

1.8

1.9

1.0

2.0

1.0

1.8

Sec. 1

1.8

1.9

1.0

0.1

0.8

1.8

Sec. 2

.05

.05

.05

.05

.05

.05

Sec. 3

Dielectric Rating

(Vrms)

Between Wdg’s to Core

1 sec. 4500 or 60 sec. 3750

Pri. to all Sec. Wdg’s & Core

1 sec. 4500 or 60 sec. 3750

Between Pri. Wdg & Bias

1 sec. 1500

Schematic

9

10

11

12

1

3

5

6

V in Pri.

Sec. 3

(Fb/Bias)

Sec. 1

Sec. 2

Shield is optional

7

8

Sec. 4

N

N

N

24

N

N

V out 4

N

N

N

.025

N

N

Sec. 4

• Note : “N” equals Not Required/No Connection •

• Used in SMPS Flyback Topology

• Designed for use with Power Integration Chip

• Reinforced Insulation (Triple Insulated Wire)

• UL 94V-0 Recognized Components

• UL 1446 Class F Insulation System

• Very Low Core Loss

• Switching Frequency : 132 KHz • Isolation : 4500 Vrms •

.200

(5.08)

.051

(1.30)

1.00

(25.40)

Suggested

Layout

12

7

6

1

PCA

EPC3130-X

Date Code

.937

Max.

(23.80)

.138

(3.50)

.031 Sq.

(.800)

1.330 Max.

(33.78)

Pin 1

I.D.

.200

(5.08)

1.00 Typ.

(25.40)

1.320 Typ.

(33.55)