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UC28025 - Economy High-Speed PWM Controller

This page provides the datasheet information for the UC28025, a member of the UC28023 Economy High-Speed PWM Controller family.

Datasheet Summary

Description

The UC28023 and UC28025 are fixed-frequency PWM controllers optimized for high-frequency switched-mode power-supply applications.

The UC28023 is a single output PWM for single-ended topologies while the UC28025 offers dual alternating outputs for double-ended and full bridge topologies.

Features

  • 1 Peak Current Mode, Average Current Mode, or Voltage Mode (With FeedForward) Control Methods.
  • Practical Operation Up to 1 MHz.
  • 50-ns Propagation Delay to Output.
  • ±1.5-A Peak Totem Pole Outputs.
  • 9-V to 30-V Nominal Operational Voltage.
  • Wide Bandwidth Error Amplifier.
  • Fully Latched Logic With Double Pulse Suppression.
  • Pulse-by-Pulse Current Limiting.
  • Programmable Maximum Duty Cycle Control.
  • Undervoltage Lock.

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Datasheet preview – UC28025

Datasheet Details

Part number UC28025
Manufacturer Texas Instruments
File Size 427.28 KB
Description Economy High-Speed PWM Controller
Datasheet download datasheet UC28025 Datasheet
Additional preview pages of the UC28025 datasheet.

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Full PDF Text Transcription

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Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UC28023, UC28025 SLUS557G – MARCH 2003 – REVISED DECEMBER 2016 UC2802x Economy High-Speed PWM Controller 1 Features •1 Peak Current Mode, Average Current Mode, or Voltage Mode (With FeedForward) Control Methods • Practical Operation Up to 1 MHz • 50-ns Propagation Delay to Output • ±1.5-A Peak Totem Pole Outputs • 9-V to 30-V Nominal Operational Voltage • Wide Bandwidth Error Amplifier • Fully Latched Logic With Double Pulse Suppression • Pulse-by-Pulse Current Limiting • Programmable Maximum Duty Cycle Control • Undervoltage Lockout With Hysteresis • Trimmed 5.
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