TEA1771 - GreenChip PC primary control IC

Product Overview

NXP Semiconductors

Part number	TEA1771
Manufacturer	NXP Semiconductors
File Size	193.63 KB
Description	GreenChip PC primary control IC
Datasheet	TEA1771 Datasheet
Additional preview pages of the TEA1771 datasheet.

The TEA1771 is a primary control IC for an active clamp forward converter.

This converter enables higher duty cycles of up to 70 %.

A higher maximum duty cycle lowers the required breakdown voltage of both the primary and secondary switches, reducing the total cost of the system.

I I I I I I I I I I I I Designed for ATX PC power supplies Universal mains operation, 90 V (AC) to 265 V (AC) Integrated start-up current source Integrated high-voltage, high-side active clamp reset switch Feed-forward regulation Enhanced efﬁciency in Standby mode and Normal mode OverVoltage Protection (OVP) OverCurrent Protection (OCP) Short-Winding Protection (SWP) Low external component count Soft (re)start High voltage ramp-up detection assuring Zero Voltage Switching (ZVS) of the reset swit.

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Published: May 4, 2009 |