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TEA1782T - (TEA1781T / TEA1782T) GreenChip PC secondary control ICs

This page provides the datasheet information for the TEA1782T, a member of the TEA1781T (TEA1781T / TEA1782T) GreenChip PC secondary control ICs family.

Description

The TEA1781T and TEA1782T are designed to cooperate with the TEA1771T primary side controller in a unique converter topology based on the active clamp forward converter.

On the secondary side the output voltages are regulated via bidirectional switches.

Features

  • I I I I I I I I Designed for ATX PC power supplies Integrated standby supply Enhanced efficiency in Standby mode No cross regulation Accurate output voltage regulation Fast transient response Integrated soft start for all output voltages Flexible transformer design without the need of a post regulator NXP Semiconductors TEA1781T; TEA1782T GreenChip PC secondary control ICs www. datasheet4u. com I I I I I I Overvoltage protection Overcurrent protection Overtemperature protection System failure.

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Datasheet preview – TEA1782T

Datasheet Details

Part number TEA1782T
Manufacturer NXP Semiconductors
File Size 251.94 KB
Description (TEA1781T / TEA1782T) GreenChip PC secondary control ICs
Datasheet download datasheet TEA1782T Datasheet
Additional preview pages of the TEA1782T datasheet.

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Full PDF Text Transcription

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TEA1781T; TEA1782T GreenChip PC secondary control ICs Rev. 01 — 13 February 2009 www.datasheet4u.com Preliminary data sheet 1. General description The TEA1781T and TEA1782T are designed to cooperate with the TEA1771T primary side controller in a unique converter topology based on the active clamp forward converter. On the secondary side the output voltages are regulated via bidirectional switches. A typical application area of this converter is a power supply for a desktop PC. The TEA1781T and TEA1782T are secondary control ICs and regulate each output voltage independently of the primary duty cycle and other secondary output voltages. Because of these separated regulations, the system does not show any cross regulation and makes the design of the transformer easier.
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