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Phase Shift PWM, 16.5V-10V supply, 500 kHz, 250mV/10mA out, SOIC-20

UCC3895DW - Phase Shift PWM, 16.5V-10V supply, 500 kHz, 250mV/10mA out, SOIC-20

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Product Overview

The UCC3895DW is a BiCMOS Advanced 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. The device allows constant frequency pulse-width modulation in conjunction with resonant zero-voltage switching to provide high efficiency at high frequencies. The part is used either as a voltage-mode or current-mode controller. It improves on that controller family with additional features such as enhanced control logic, adaptive delay set and shutdown capability. Because the device is built using the BCDMOS process, it operates with dramatically less supply current than its bipolar counterparts. The UCC3895 operates with a maximum clock frequency of 1MHz.
  • Programmable-output turn-on 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
  • 7MHz Error amplifier
  • Operation to 1MHz
  • Typical 5mA operating current at 500kHz
  • Very low 150µA current during UVLO
  • Green product and no Sb/Br


Signal Processing, Communications & Networking, Power Management

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MSL 2 - 1 year
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