AN3329 datasheet(43/47 Pages) STMICROELECTRONICS

No. de pieza	AN3329

Descripción Electrónicos	This application note describes the characteristics and features

PDF	47 Pages

Scroll/Zoom	100%

Fabricante Electrónico	STMICROELECTRONICS [STMicroelectronics]

Página de inicio	http://www.st.com

Logo

43 / 47 page

AN3329

Auxiliary flyback transformer specifications

Doc ID 18376 Rev 1

43/47

Auxiliary flyback transformer specifications

General description and characteristics

●

Application type: consumer, home appliance

●

Transformer type: open

●

Winding type: layer

●

Coil former: horizontal type, 4+5 pins, two slots

●

Max. temp. rise: 45 ºC

●

Max. operating ambient temperature: 60 ºC

●

Mains insulation: acc. to EN60950

●

Unit finishing: varnished

Electrical characteristics

●

Converter topology: flyback, CCM/DCM mode

●

Core type: E20-PC44 or equivalent

●

Typical operating frequency: 60 kHz

●

Primary inductance: 2.380 mH ± 10 % at 1 kHz - 0.25 V(d)

●

Leakage inductance: 30 µH at 50 kHz - 0.25 V(e)

●

Max. peak primary current: 0.5 Apk

●

RMS primary current: 0.17 Arms

DC output characteristics

●

Converter topology: flyback, CCM/DCM mode

Measured between pins 4-5.

Measured between pins 2-4 with secondary windings with same polarity shorted at time.

Table 5.

DC output voltage and load

DC output voltage

DC load

5 V

2 ADC

16 V

0.05 ADC

AN3329 Datasheet(PDF) 43 Page - STMicroelectronics

AN3329 Datasheet(HTML) 43 Page - STMicroelectronics

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47

Datasheet Descarga

Enlace URL