SC4602: High-Efficiency Synchronous Step-Down Controller


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Features

  • BiCMOS voltage-mode PWM controller
  • 2.75 V to 5.5 V input voltage range
  • Output voltages as low as 0.8 V
  • ± 1% reference accuracy
  • Sleep mode (ICC = 10 µA typ.)
  • Lossless short-circuit current limiting
  • Combination pulse by pulse & hiccup mode current limit
  • High-efficiency synchronous switching
  • 0% to 100% duty cycle range
  • Synchronization to external clock
  • 8-pin MSOP surface-mount package

Diagrams

Typical Application Circuit

SC4602 - Typical Application Circuit

Click diagram to enlarge

Applications

  • Distributed power system
  • RF power supply
  • Local microprocessor core power supplies
  • DSP and I/O power supplies
  • Battery-powered applications
  • Servers and workstations

Packaging

MSOP-8

Order Codes
  • SC4602AIMSTR: Package Minimum Tape & Reel Only
  • SC4602AIMSTRT:
  • SC4602BIMSTR: Package Minimum Tape & Reel Only
  • SC4602BIMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
Order Sample Button
Pb-Free/RoHS/WEEE Status

Related Documents

Datasheets