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UC2825A-Q1 - HIGH-SPEED PWM CONTROLLER

General Description

The UC2825A pulse-width modulation (PWM) controller is an improved versions of the standard UC3825.

Performance enhancements have been made to several of the circuit blocks.

Error amplifier gain bandwidth product is 12 MHz, while input offset voltage is 2 mV.

Key Features

  • 1.
  • Qualified for Automotive.

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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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www.ti.com HIGH-SPEED PWM CONTROLLER UC2825A-Q1 SLUS781 – SEPTEMBER 2007 FEATURES 1 • Qualified for Automotive Applications • Improved Version of the UC3825 PWM • Compatible With Voltage-Mode or Current-Mode Control Methods • Practical Operation at Switching Frequencies to 1 MHz • 50-ns Propagation Delay to Output • High-Current Dual Totem-Pole Outputs: 2 A (Peak) • Trimmed Oscillator Discharge Current • Low 100-μA Startup Current • Pulse-by-Pulse Current-Limiting Comparator • Latched Overcurrent Comparator With Full-Cycle Restart DESCRIPTION The UC2825A pulse-width modulation (PWM) controller is an improved versions of the standard UC3825. Performance enhancements have been made to several of the circuit blocks.