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UCC2882 - Average Current Mode Synchronous Controller

Datasheet Summary

Description

The UCC3882 combines high precision reference and voltage monitoring circuitry with average current mode PWM synchronous rectification controller circuitry to power high-end microprocessors with a minimum of external components.

Features

  • Combined DAC/Voltage Monitor and PWM with Synchronous Rectification Functions.
  • 5-Bit Digital-to-Analog (DAC) Converter.
  • 1% DAC/Reference Combined Accuracy.
  • Compatible with 5V and 12V Systems and 12V-only Systems.
  • Low Offset Current Sense Amplifier.
  • Programmable Oscillator Frequency Practical to 700kHz.
  • Foldback Current Limiting.
  • Overvoltage and Undervoltage Fault Windows.
  • 2Ω Totem Pole Outputs with Programmable Dea.

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Datasheet preview – UCC2882

Datasheet Details

Part number UCC2882
Manufacturer Unitrode
File Size 492.05 KB
Description Average Current Mode Synchronous Controller
Datasheet download datasheet UCC2882 Datasheet
Additional preview pages of the UCC2882 datasheet.

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Full PDF Text Transcription

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UCC2882/-1 UCC3882/-1 Average Current Mode Synchronous Controller With 5-Bit DAC FEATURES • Combined DAC/Voltage Monitor and PWM with Synchronous Rectification Functions • 5-Bit Digital-to-Analog (DAC) Converter • 1% DAC/Reference Combined Accuracy • Compatible with 5V and 12V Systems and 12V-only Systems • Low Offset Current Sense Amplifier • Programmable Oscillator Frequency Practical to 700kHz • Foldback Current Limiting • Overvoltage and Undervoltage Fault Windows • 2Ω Totem Pole Outputs with Programmable Dead Times to Eliminate Cross-Conduction • Chip Disable Function BLOCK DIAGRAM DESCRIPTION The UCC3882 combines high precision reference and voltage monitoring circuitry with average current mode PWM synchronous rectification controller circuitry to power high-end microprocessors w
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