SC4609: Low-Input, MHz Operation, High-Efficiency Synchronous Buck


Collapse All

Features

  • Asynchronous start up
  • Operation to 1 MHz
  • BiCMOS voltage-mode PWM controller
  • 2.7 V to 5.5 V input voltage range
  • Output voltages as low as 0.5 V
  • ± 1% reference accuracy
  • Sleep mode (Icc = 10 µA typ)
  • Adjustable lossless short circuit current limiting
  • Combination pulse-by-pulse & hiccup mode current limit
  • High-efficiency synchronous switching
  • 1 A peak current driver
  • External soft start
  • 4 mm x 4 mm 12-lead MLP package

Diagrams

Typical Application Circuit

SC4609 - Typical Application Circuit

Click diagram to enlarge

Applications

  • Distributed power architecture
  • Servers/workstations
  • Local microprocessor core power supplies
  • DSP and I/O power supplies
  • Battery-powered applications
  • Telecommunications equipment
  • Data processing applications

Packaging

MLP-12

Order Codes
  • SC4609MLTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets