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UC2825A - HIGH-SPEED PWM CONTROLLER

This page provides the datasheet information for the UC2825A, a member of the UC2823A HIGH-SPEED PWM CONTROLLER family.

Datasheet Summary

Description

The UC3823A and UC3823B and the UC3825A and UC3825B family of PWM controllers are improved versions of the standard UC3823 and UC3825 family.

Performance enhancements have been made to several of the circuit blocks.

Features

  • Improved versions of the UC3823/UC3825 PWMs.
  • Compatible with voltage-mode or current-mode control methods.
  • Practical operation at switching frequencies to 1 MHz.
  • 50-ns propagation delay to output.
  • High-current dual totem pole outputs (2-A peak).
  • Trimmed oscillator discharge current.
  • Low 100-μA startup current.
  • Pulse-by-pulse current limiting comparator.
  • Latched overcurrent comparator with full cycle restart 2 Descr.

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Datasheet preview – UC2825A

Datasheet Details

Part number UC2825A
Manufacturer Texas Instruments
File Size 1.00 MB
Description HIGH-SPEED PWM CONTROLLER
Datasheet download datasheet UC2825A Datasheet
Additional preview pages of the UC2825A datasheet.

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Full PDF Text Transcription

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UC1823A, UC2823A, UC2823B, UC3823A, UC3823B UC1825A, UC2825A, UC2825B, UC3825A, UC3825B SLUS334F – AUGUST 1995 – REVISED AUGUST 2022 High-Speed PWM Controller 1 Features • Improved versions of the UC3823/UC3825 PWMs • Compatible with voltage-mode or current-mode control methods • Practical operation at switching frequencies to 1 MHz • 50-ns propagation delay to output • High-current dual totem pole outputs (2-A peak) • Trimmed oscillator discharge current • Low 100-μA startup current • Pulse-by-pulse current limiting comparator • Latched overcurrent comparator with full cycle restart 2 Description The UC3823A and UC3823B and the UC3825A and UC3825B family of PWM controllers are improved versions of the standard UC3823 and UC3825 family.
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