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TEA2261
SWITCH MODE POWER SUPPLY CONTROLLER
October 2003
TEA2261/0SWITCH MODE POWER SUPPLY CONTROLLER Positive and Negative Current up to 1.2A and - Low Start-Up Current Direct Drive of the Power Transistor Two Levels Transistor Current Limitation Double Pulse Suppression Soft-Starting Under and Overvoltage Lock-out Automatic Stand-By Mode Recognition Large Power Range Capability in Stand-By
(Burst Mode) Internal PWM Signal Generator
DESCRIPTIONThe TEA2260/61 is a monolithic integrated circuit
for the use in primary part of an off-line switching
mode power supply.
All functions required for SMPS control under nor-
mal operating, transient or abnormal conditions
are provided.
The capability of working according to the “mas-
ter-slave” concept, or according to the “primary
regulation” mode makes the TEA2260/61 very
flexible and easy to use. This is particularly true for
TV receivers where the IC provides an attractive
and low cost solution (no need of stand-by auxilia-
ry power supply). See application note AN376/
0490 for detailed information.
Figure 1. Pin Connections
