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UCC28221, UCC28220 - Dual PWM Controller

Texas Instruments

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UCC28221 Datasheet Preview — This datasheet PDF includes multiple part numbers: UCC28221, UCC28220. Please refer to the document for exact specifications by model.

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Datasheet Details

Part number	UCC28221, UCC28220
Manufacturer	Texas Instruments
File Size	1.29 MB
Description	Dual PWM Controller
Datasheet	UCC28220-etcTI.pdf
Note	This datasheet PDF includes multiple part numbers: UCC28221, UCC28220. Please refer to the document for exact specifications by model.

UCC28221 Product details

Description

The UCC28220 and UCC28221 are a family of BiCMOS interleaved dual channel PWM controllers.

Features

1 2-MHz High-Frequency Oscillator With 1-MHz Operation Per Channel.
Matched Internal Slope Compensation Circuits.
Programmable Maximum Duty Cycle Clamp 60% to 90% Per Channel.
Peak Current Mode Control With Cycle-by-Cycle Current Limit.
Current Sense Discharge Transistor for Improved Noise Immunity.
Accurate Line Undervoltage and Overvoltage Sense With Programmable Hysteresis.
Opto-Coupler Interface.
110-V Internal Start-Up.

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Published: Apr 25, 2020 |