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UC2000D - HIGH PRECISION LOW COST MCM POWER SWITCH

General Description

The UTC UC2000D is a high performance, high precision and low cost PWM Power switch for non-isolated buck application.

It combines a dedicated current mode PWM controller and error amplifier for low component count.

UTC UC2000D use UTC proprietary frequency shuffling technique for EMI performance.

Key Features

  • S.
  • Power on soft-start.
  • Load compensation.
  • Built-in error amplifier.
  • Oscillator of fixed frequency with frequency-reduction control.
  • Frequency shuffling for EMI improvement.
  • Built-in Leading Edge Blanking (LEB).
  • Cycle-by-Cycle current limiting.
  • Over loading protection.
  • Output short-circuit protection.
  • VDD Under Voltage Lockout with hysteresis (UVLO).
  • VDD OVP.

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UNISONIC TECHNOLOGIES CO., LTD UC2000D Preliminary HIGH PRECISION LOW COST MCM POWER SWITCH CMOS IC  DESCRIPTION The UTC UC2000D is a high performance, high precision and low cost PWM Power switch for non-isolated buck application. It combines a dedicated current mode PWM controller and error amplifier for low component count. UTC UC2000D use UTC proprietary frequency shuffling technique for EMI performance. And oscillator with frequency-reduction control is implemented. The UTC UC2000D has soft start control and protection function, such as Cycle-by-Cycle current limiting, Over Loading Protection, Output Short-Circuit Protection, RCS short Protection, OTP, VDD OVP, and UVLO.