L4985 datasheet, controller equivalent, STMicroelectronics

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L4985 Features and benefits

* Peak current mode CCM-operated
* 800 V high voltage startup with integrated input voltage sensing
* Active input filter capacitor discharge
* Proprietar.

L4985 Application

in a power range that spans from few hundred W to some kW. The device, thanks to a proprietary off-time modulator, oper.

L4985 Description

The L4985 is a peak current-mode PFC controller for boost converter with a proprietary multiplier “emulator” which in addition to the innovative THD optimizers guarantee very low Total Harmonic Distortion (THD) performance in all operating conditions.

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