概览

The SC2441 is a high-frequency triple output switching regulator controller. It consists of a dual out-of-phase synchronous step-down PWM controller with high-current output gate drives and a 1.7A integrated step-up switching regulator.

封装

  • TSSOP-28

订购代码

  • SC2441ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only

PB Free/ROHS

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功能

  • 2-phase synchronous step-down controller
    • 2-phase synchronous continuous conduction mode for high-efficiency step-down converters
    • Out-of-phase operation for low input current ripples
    • Operates up to 1 MHz per channel
    • Configurable dual outputs or 2-phase single-output operation with peak current-mode control
    • Excellent current sharing between phases
    • Wide input voltage range: 1.8 V to 15 V
    • Duty cycle up to 90%
    • 0.5 V feedback voltages for low-voltage outputs
    • Precision 50 mV current-limit threshold
    • Patented Combi-Sense™ technique for high SNR of current-sensing
    • Individual soft-start, overload shutdown and enable
  • Step-up regulator
    • Wide input voltage range: 1.8 V to 15 V
    • Operates at twice the individual channel frequency of the buck controllers
    • 0.3 V VCESAT switch at 1 A
    • Fixed frequency with current-mode control
  • Common features
    • External synchronization
    • Industrial temperature range
    • TSSOP-28 package

应用

  • Low-voltage distributed DC-DC converters
  • Telecommunication power supplies
  • Servers and base stations

Inventory

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