TEA1541 datasheet(2/19 Pages) PHILIPS

Part #	TEA1541

Description	SMPS control IC with synchronization function

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2 / 19 page

2003 Aug 11

2

Philips Semiconductors

Product speciﬁcation

SMPS control IC with

synchronization function

TEA1541

CONTENTS

1

FEATURES

1.1

Distinctive features

1.2

Green features

1.3

Protection features

2

GENERAL DESCRIPTION

3

ORDERING INFORMATION

4

BLOCK DIAGRAM

5

PINNING

6

FUNCTIONAL DESCRIPTION

6.1

Start-up, mains voltage-dependent

operation-enabling level and undervoltage

lock-out

6.2

Supply management

6.3

Primary current regulation

6.4

Oscillator

6.5

Demagnetization

6.6

Minimum and maximum ‘on-time’

6.7

Overvoltage protection

6.8

Overcurrent protection and overpower

protection

6.9

Soft start

6.10

Winding short-circuit protection

6.11

Overtemperature protection

6.12

Burst standby mode

6.13

Driver

7

LIMITING VALUES

8

THERMAL CHARACTERISTICS

9

QUALITY SPECIFICATION

10

CHARACTERISTICS

11

APPLICATION INFORMATION

12

PACKAGE OUTLINE

13

SOLDERING

13.1

Introduction to soldering through-hole mount

packages

13.2

Soldering by dipping or by solder wave

13.3

Manual soldering

13.4

Suitability of through-hole mount IC packages

for dipping and wave soldering methods

14

DATA SHEET STATUS

15

DEFINITIONS

16

DISCLAIMERS

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