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UC1825B-SP - Radiation Hardened High-Speed PWM Controller

Description

The UC1825B-SP PWM control device is optimized for high-frequency switched mode power supply applications.

Particular care was given to minimizing propagation delays through the comparators and logic circuitry while maximizing bandwidth and slew rate of the error amplifier.

Features

  • QML-V qualified, SMD 5962-8768106.
  • 5962R8768106VYC:.
  • Radiation hardness assurance (RHA) up to 100-krad(Si) total ionizing dose (TID) 1.
  • Compatible with voltage- or current-mode topologies.
  • Practical operation switching frequencies to 1 MHz.
  • 50-ns propagation delay-to-output.
  • High-current dual totem pole outputs (2-A peak).
  • Wide bandwidth error amplifier.
  • Fully latched logic with double-pulse suppression.
  • P.

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Full PDF Text Transcription

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www.ti.com UC1825B-SP SLUSDD5A – APRIL 2019 – REVISED DUECCE1M8B2E5RB2-S02P0 SLUSDD5A – APRIL 2019 – REVISED DECEMBER 2020 UC1825B-SP Class-V, Radiation Hardened High-Speed PWM Controller 1 Features • QML-V qualified, SMD 5962-8768106 • 5962R8768106VYC: – Radiation hardness assurance (RHA) up to 100-krad(Si) total ionizing dose (TID) 1 • Compatible with voltage- or current-mode topologies • Practical operation switching frequencies to 1 MHz • 50-ns propagation delay-to-output • High-current dual totem pole outputs (2-A peak) • Wide bandwidth error amplifier • Fully latched logic with double-pulse suppression • Pulse-by-pulse current limiting • Soft start/maximum duty-cycle control • Undervoltage lockout with hysteresis • Low start-up current (1.
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