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UCC1895 - Phase-Shift PWM Controller

Download the UCC1895 datasheet PDF. This datasheet also covers the UCC2895 variant, as both devices belong to the same phase-shift pwm controller family and are provided as variant models within a single manufacturer datasheet.

Description

The UCC3895 is a phase-shift PWM controller that implements control of a full-bridge power stage by phase shifting the switching of one half-bridge with respect to the other.

Features

  • 1 Programmable-output turnon delay.
  • Adaptive delay set.
  • Bidirectional oscillator synchronization.
  • Voltage-mode, peak current-mode, or average current-mode control.
  • Programmable soft start, soft stop, and chip disable via a single pin.
  • 0% to 100% duty-cycle control.
  • 7-MHz error amplifier.
  • Operation to 1 MHz.
  • Typical 5-mA operating current at 500 kHz.
  • Very low 150-μA current during UVLO 2.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UCC2895-etcTI.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Product Folder Order Now Technical Documents Tools & Software Support & Community UCC1895, UCC2895, UCC3895 SLUS157Q – DECEMBER 1999 – REVISED OCTOBER 2019 UCCx895 BiCMOS Advanced Phase-Shift PWM Controller 1 Features •1 Programmable-output turnon delay • Adaptive delay set • Bidirectional oscillator synchronization • Voltage-mode, peak current-mode, or average current-mode control • Programmable soft start, soft stop, and chip disable via a single pin • 0% to 100% duty-cycle control • 7-MHz error amplifier • Operation to 1 MHz • Typical 5-mA operating current at 500 kHz • Very low 150-μA current during UVLO 2 Applications • Phase-shifted full-bridge converters • Off-line, telecom, datacom, and servers • Distributed power architecture • High-density power modules 3 Description The U
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