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UCC2804 Datasheet Low-power Bicmos Current-mode Pwm Controllers

Manufacturer: Texas Instruments

Overview: Product Folder Sample & Buy Technical Documents Tools & Software Support & Community UCC1800, UCC1801, UCC1802, UCC1803, UCC1804, UCC1805 UCC2800, UCC2801, UCC2802, UCC2803, UCC2804, UCC2805 UCC3800, UCC3801, UCC3802,.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The UCCx80x family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added

Key Features

  • 1 100-μA Typical Starting Supply Current.
  • 500-μA Typical Operating Supply Current.
  • Operation up to 1 MHz.
  • Internal Soft Start.
  • Internal Fault Soft Start.
  • Internal Leading-Edge Blanking of the Current Sense Signal.
  • 1-A Totem-Pole Output.
  • 70-ns Typical Response from Current-Sense to Gate Drive Output.
  • 1.5% Tolerance Voltage Reference.
  • Same Pinout as UC3842 and UC3842A 2.

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