DER-34 datasheet(12/19 Pages) POWERINT

12 / 19 page

DER-34

13W Integrated Digital TV PSU

April 1, 2004

Page 12 of 19

Power Integrations

Tel: +1 408 414 9660 Fax: +1 408 414 9760

www.powerint.com

cm^2

0.32

Core Effective Cross

Section Area

ALG

nH/T^2

311

Gapped Core

Effective Inductance

mTesla

267

Maximum Operating

Flux Density

mTesla

331

Peak Flux Density

BAC

mTesla

134

AC Flux Density for

Core Curves

0.11

Gap Length

uHenries

31.4

Estimated

Transformer Primary

Leakage Inductance

LSEC

nHenries

Estimated Secondary

Trace Inductance

Secondary

Parameters

NSx

2.00

2.89

5.00

17.37 Secondary Number of

Turns

Rounded Down NSx

17 Rounded to Integer

Secondary Number of

Turns

Rounded

Down Vox

Volts

3.27

8.93

31.08 Auxiliary Output

Voltage for Rounded

to Integer NSx

Rounded Up NSx

18 Rounded to Next

Integer Secondary

Number of Turns

Rounded Up

Vox

Volts

5.16

32.96 Auxiliary Output

Voltage for Rounded

to Next Integer NSx

ODS Actual

Range

0.51 -

0.81

0.51 -

0.81

0.09 -

0.14

0.03 -

0.06

Secondary Actual

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