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UCC2810 - BiCMOS controller

General Description

The UCC3810 is a high-speed BiCMOS controller integrating two synchronized pulse width modulators for use in off-line and dc-to-dc power supplies.

The UCC3810 family provides perfect synchronization between two PWMs by usin g the same oscillator.

Key Features

  • Single Oscillator Synchronizes Two PWMs.
  • 150-µA Startup Supply Current.
  • 2-mA Operating Supply Current.
  • Operation to 1 MHz.
  • Internal Soft-Start.
  • Full-Cycle Fault Restart.
  • Internal Leading-Edge Blanking of the Current Sense Signal.
  • 1-A Totem Pole Outputs.
  • 75-ns Typical Response from Current Sense to Output.
  • 1.5% Tolerance Voltage Reference N.

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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.

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UCC2810 UCC3810 www.ti.com SLUS162D – FEBRUARY 1999 – REVISED FEBRUARY 2007 DUAL CHANNEL SYNCHRONIZED CURRENT-MODE PWM FEATURES • Single Oscillator Synchronizes Two PWMs • 150-µA Startup Supply Current • 2-mA Operating Supply Current • Operation to 1 MHz • Internal Soft-Start • Full-Cycle Fault Restart • Internal Leading-Edge Blanking of the Current Sense Signal • 1-A Totem Pole Outputs • 75-ns Typical Response from Current Sense to Output • 1.5% Tolerance Voltage Reference N PACKAGE (TOP VIEW) SYNC CT RT FB1 COMP1 CS1 OUT1 GND 1 2 3 4 5 6 7 8 16 VCC 15 REF 14 ENABLE2 13 FB2 12 COMP2 11 CS2 10 OUT2 9 PWRGND DESCRIPTION The UCC3810 is a high-speed BiCMOS controller integrating two synchronized pulse width modulators for use in off-line and dc-to-dc power supplies.