UC3943 Datasheet - UTC

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UC3943 HIGH PERFORMANCE CURRENT MODE CONTROLLERS

UNISONIC TECHNOLOGIES CO., LTD UC3943 LINEAR INTEGRATED CIRCUIT HIGH PERFORMANCE CURRENT MODE CONTROLLERS * .
The UTC UC3943 is specifically designed for off-line and dc-to-dc converter applications offering the designer a cost-effective solution with minimal.

UC3943-UTC.pdf

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Datasheet Details

Part number:

UC3943

Manufacturer:

UTC

File Size:

386.14 KB

Description:

HIGH PERFORMANCE CURRENT MODE CONTROLLERS

Features

* With burstmode for lower standby power
* With greenmode for higher light load efficiency
* Oscillator frequency guaranteed at 250kHz
* Automatic feed forward compensation
* Latching PWM for cycle-by-cycle current limiting
* Internally trimmed reference with undervoltage loc

Applications

* offering the designer a cost-effective solution with minimal external components. The UTC UC3943 has UVLO thresholds 8.4V (on) and 7.6V(off), ideally suited for off-line converters.

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UC3943 HIGH PERFORMANCE CURRENT MODE CONTROLLERS UTC

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