uc1823a-uc2823a-uc2823b-uc3823a-uc3823b-uc1825a-uc2825a-uc2825b-uc3825a-uc3825b-high-speed-pwm-controller.pdf

This datasheet describes a family of high-speed PWM controllers designed for voltage-mode or current-mode control methods. The devices feature improved performance, including a 12-MHz error amplifier gain bandwidth product, 2-mV input offset voltage, and 10-mA oscillator discharge current.

The controllers have high-current dual Totem Pole outputs (2-A peak), trimmed oscillator discharge current, and low 100-μA startup current. They also feature pulse-by-pulse current limiting, a comparator latched overcurrent comparator with full cycle restart, and a soft-start complete restart delay latch.

Key Features:

  • Improved versions of the UC3823/UC3825 PWMs
  • Compatible with voltage-mode or current-mode control methods
  • Practical operation at switching frequencies up to 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

Applications:

These devices are suitable for off-line applications, including power supplies, motor control, and lighting systems.

Manual:

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Pricing & Distributors: https://www.datasheets360.com/part/detail/uc2823bdwtr/-7251503056828161952/

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