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L4986

Part Number	L4986
Manufacturer	STMicroelectronics
Description	CCM PFC controller
Published	Jun 25, 2023
Detailed Description	L4986 Datasheet CCM PFC controller with high voltage startup Features • Peak current mode CCM-operated • 800 V high vol...
Datasheet	L4986 PDF File

Overview

L4986 Datasheet CCM PFC controller with high voltage startup Features • Peak current mode CCM-operated • 800 V high voltage startup with integrated input voltage sensing • Active input filter capacitor discharge • Proprietary multiplier “emulator” with minimum THD of line current in all operating conditions (CCM and DCM) • Extremely few external components • Protections: feedback loop failure, OVP, OCP, inductor saturation, brown-in, brownout (compliant to medical SMPS standards) • Inductor current sense • Disable and low consumption function • In-rush current monitoring • Soft-start for smooth startup • 1.
2% (@ Tj = 25 °C) internal reference voltage • 65 kHz (A version) and 130 kHz (B vers...

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