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US2651 - HIGH PRECISION LOW COST MCM POWER SWITCH

Datasheet Summary

Description

The UTC US2651 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 US2651 use UTC proprietary frequency shuffling technique for EMI performance.

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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Datasheet preview – US2651

Datasheet Details

Part number US2651
Manufacturer Unisonic Technologies
File Size 357.89 KB
Description HIGH PRECISION LOW COST MCM POWER SWITCH
Datasheet download datasheet US2651 Datasheet
Additional preview pages of the US2651 datasheet.

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Full PDF Text Transcription

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UNISONIC TECHNOLOGIES CO., LTD US2651 Preliminary HIGH PRECISION LOW COST MCM POWER SWITCH CMOS IC  DESCRIPTION The UTC US2651 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 US2651 use UTC proprietary frequency shuffling technique for EMI performance. And oscillator with frequency-reduction control is implemented. The UTC US2651 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.
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