Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC194B

Semtech SC194B

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

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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
 
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