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Power Management
Power Management
FemtoBuck DC-DC Regulators and Controllers

Semtech SC192

Synchronous Buck Converter with Integrated Power Devices

Not recommended for new designs.

The SC192 is a synchronous step-down converter with integrated power devices designed for battery operated systems. The internal power switches reduce system size and cost. In addition, an efficiency of 95% can be achieved for significant line and load ranges.

Overview

Features

  • 2.7 V to 7 V Input Range
  • Output adjustable from 0.75 V to Vin
  • Fixed frequency or PSAVE for maximum efficiency over wide load current range
  • 700 mA guaranteed output current
  • No Schottky diode required
  • 35 µA quiescent current
  • 100% duty cycle in dropout
  • 95% efficiency
  • Fast transient response
  • Over-temperature protection
  • Space-saving micro lead-frame package MLPD-10 3x3

Applications

  • Cell phones
  • Cordless phones
  • Notebook and subnotebook computers
  • PDAs and mobile communicators
  • Devices powered by 1 Li-ion cell or 3 NiMH/NiCd cells

Packaging

  • MLP-10

Order Codes

  • SC192IMLTR: Package Minimum Tape & Reel Only
  • SC192IMLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only

Block Diagram

Click diagram to enlarge

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