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UCC2961

Part Number	UCC2961
Manufacturer	Unitrode
Description	Advanced Primary-Side Startup Controller
Published	Apr 30, 2020
Detailed Description	ą UCC2961, UCC3961 ADVANCED PRIMARYĆSIDE STARTUP CONTROLLER D Operates with Secondary–Side PWM Control D Isolated PWM C...
Datasheet	UCC2961 PDF File

Overview

ą UCC2961, UCC3961 ADVANCED PRIMARYĆSIDE STARTUP CONTROLLER D Operates with Secondary–Side PWM Control D Isolated PWM Command through a Pulse Transformer D Initial Free-Running Soft-Startup with Duty-Cycle Clamping D Up to 400-kHz Synchronizable Switching Frequency D High-Current FET Drive (1.
5-A Sink, 0.
75-A Source) SLUS431A – MAY 2000 – REVISED DECEMBER 2000 D Multi-Mode Overcurrent Protection with Restart, Latching, or Cycle-by-Cycle Current Limiting D Programmable Volt-Second Clamp for Transformer Reset D Undervoltage Lockout with 2-V Hysteresis D Low-Current Startup with Optional Disconnect D Programmable Overvoltage and Undervoltage Protection D 8–pin Version Also Available (UCC3960)...

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