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  • SC4525C
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  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
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  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC194B

Semtech SC194B

Selectable 3.6V/3.3V/3.0V/2.5V 1A Synchronous Buck Converter

The SC194B is a synchronous step-down converter with integrated power devices. Four selectable output voltages suitable for portable device interface, memory function blocks, and 5V to 3.3V voltage conversion are available.

Features


  • Up to 95% efficiency
  • PSAVE operation to maximize efficiency
  • Output current — 1A
  • Input range — 2.7V to 5.5V
  • Four selectable output voltages
  • Quiescent current — 17μA in PSAVE
  • Dynamic voltage positioning capability
  • Fixed 1MHz frequency or 750kHz to 1.25MHz synchronized operation
  • Current mode operation for excellent line and load transient response
  • 100% duty cycle in dropout
  • Soft-start
  • Over-temperature and short-circuit protection
  • Lead-free package — 3mm x 3mm MLPD

Applications


  • PDA
  • Pocket PC and Smart Phones
  • USB Powered Modems
  • CPUs and DSPs
  • PC Cards and Notebooks
  • xDSL Applications
  • Standard 5-V to 3.3-V Conversion

Packaging

MLP-10

Order Codes

  • SC194BMLTRT: Lead-Free, RoHS and WEEE Compliant, 3000 pcs.Tape & Reel