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UCC3895 - Phase-Shift PWM Controller

Download the UCC3895 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.

General 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.

Key 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.

📁 Similar Datasheet

Part Number Description Manufacturer
UCC3895 BiCMOS Advanced Phase Shift PWM Controller Unitrode
UCC3807-1 Programmable Maximum Duty Cycle PWM Controller Unitrode
UCC3807-2 Programmable Maximum Duty Cycle PWM Controller Unitrode
UCC3807-3 Programmable Maximum Duty Cycle PWM Controller Unitrode
UCC3808-1 Low Power Current Mode Push-Pull PWM Unitrode

Other Datasheets by Texas Instruments

Part Number Description
UCC3800 Low-Power BiCMOS Current-Mode PWM Controllers
UCC3801 Low-Power BiCMOS Current-Mode PWM Controllers
UCC3802 Low-Power BiCMOS Current-Mode PWM Controllers
UCC3803 Low-Power BiCMOS Current-Mode PWM Controllers
UCC3804 Low-Power BiCMOS Current-Mode PWM Controllers

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