DER-34 datasheet(11/19 Pages) POWERINT

11 / 19 page

DER-34

13W Integrated Digital TV PSU

April 1, 2004

Page 11 of 19

Power Integrations

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

www.powerint.com

Voltage

VMAX

Volts

375

Maximum DC Input

Voltage

VCLO

Volts

200

Clamp Zener Voltage

Watts

1.7

Estimated Primary

Zener Clamp Loss

VDB

Volts

0.7

Bias Winding Diode

Forward Voltage Drop

PIVB

Volts

Bias Rectifier

Maximum Peak

Inverse Voltage

Power Supply Output

Parameters

VDx

Volts

0.5

1.0 Output Winding Diode

Forward Voltage Drop

PIVSx

Volts

124 Output Rectifier

Maximum Peak

Inverse Voltage

ISPx

Amps

4.98

4.82

0.17

0.02 Peak Secondary

Current

ISRMSx

Amps

2.29

2.21

0.08

0.01 Secondary RMS

Current

IRIPPLEx

Amps

1.73

1.67

0.06

0.01 Output Capacitor

RMS Ripple Current

Transformer Construction

Parameters

Core/Bobbin

E20/10/6 (EF20) Margi

Core and Bobbin

Type

Core Manuf.

Generic

Core Manufacturing

Bobbin Manuf

Generic

Bobbin Manufacturing

uHenries

1571

Primary Inductance

Primary Winding

Number of Turns

8.26

Bias Winding Number

of Turns

OD Actual

0.28

Primary Actual Wire

Diameter

Primary

Current

Density

A/mm^2

Primary Winding

Current Density

Warning! Primary

current winding

density (A/mm 2) is

less than minimum

VOR

Volts

135.00

Reflected Output

Voltage

12.50

Bobbin Physical

Winding Width

0.0

Safety Margin Width

2.0

Number of Primary

Layers

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