UCC24624 - Dual-Channel Synchronous Rectifier Controller

Texas Instruments

UCC24624 Datasheet Preview — Preview of UCC24624 PDF

Datasheet Details

Part number	UCC24624
Manufacturer	Texas Instruments ↗
File Size	1.95 MB
Description	Dual-Channel Synchronous Rectifier Controller
Datasheet	UCC24624-etcTI.pdf

UCC24624 Product details

Description

The UCC24624 high-performance synchronous rectifier (SR) controller is dedicated for LLC resonant converters to replace the lossy diode output rectifiers with SR MOSFETs and improve the overall system efficiency.

Features

230-V VD pins rating.
23-ns turn-off delay to support LLC operating above resonant frequency and up to 625-kHz switching frequency.
Proportional gate drive to extend the SR conduction time.
Adjustable turn-off threshold for minimum body diode conduction.
Automatic standby mode detection with 180 µA of low standby current.
Wide 4.25-V to 26-V VDD operation range with internal clamp.
Adaptive turn-on delay for better DCM ring rejectio.

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Published: Oct 8, 2023 |