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UCC3895 - BiCMOS Advanced Phase Shift PWM Controller

Download the UCC3895 datasheet PDF. This datasheet also covers the UCC1895 variant, as both devices belong to the same bicmos advanced phase shift pwm controller family and are provided as variant models within a single manufacturer datasheet.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (UCC1895-Unitrode.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number UCC3895
Manufacturer Unitrode
File Size 167.31 KB
Description BiCMOS Advanced Phase Shift PWM Controller
Datasheet download datasheet UCC3895 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.

It allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies.

The part can be used either as a voltage mode or current mode controller.

Overview

application INFO available BiCMOS Advanced Phase Shift PWM Controller UCC1895 UCC2895.

Key Features

  • Programmable Output Turn-on Delay.
  • Adaptive Delay Set.
  • Bidirectional Oscillator Synchronization.
  • Capability for Voltage Mode or Current Mode Control.
  • Programmable Soft Start/Soft Stop and Chip Disable via a Single Pin.
  • 0% to 100% Duty Cycle Control.
  • 7MHz Error Amplifier.
  • Operation to 1MHz.
  • Low Active Current Consumption (5mA Typical @ 500kHz).
  • Very Low Current Consumption During Undervoltage Lock-out (150ยต.