AN1376 datasheet(2/35 Pages) STMICROELECTRONICS

Teilenummer	AN1376

Bauteilbeschribung	25W QUASI-RESONANT FLYBACK CONVERTER FOR

PDF	35 Pages

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Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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2 / 35 page

AN1376 APPLICATION NOTE

2/35

MAIN CHARACTERISTICS

The main characteristics of the SMPS are listed here below:

■

INPUT VOLTAGE:

Vin: 90 - 264 Vrms

f: 45-66 Hz

■

OUTPUT VOLTAGES:

NOTES:

(A)

Dedicated to 5V digital circuitry and to 3.3v local post regulators

(B)

Dedicated to SCART, LNBP21 for satellite STB. For other applications the current is 0.4A

(C)

Dedicated to 5V local post regulators

(D)

Dedicated to tuner

■

STAND-BY

No stand-by mode is foreseen by equipment

■

OVERCURRENT PROTECTION

On all outputs, with auto-restart at short protection

■

PCB TYPE & SIZE:

Cu Single Side 35 um, FR-4, 122.5 x 75 mm

■

SAFETY:

In acc. with EN60950, creepage and clearance minimum distance 6.4mm

■

EMI:

In acc. with EN50022 Class B

Vout (V):

Iout (A):

Pout (W):

STABILITY

NOTES

3.3

2.00

6.6

+/- 2%

1.1

5.5

+/- 2%

(A)

0.7

8.4

+/- 5%

(B)

0.5

3.5

+/- 8%

(C)

0.015

0.45

+/- 2%

(D)

POUT (W) = 24.45

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