Switching Regulators
  • SC187
    • 4A, 2.2MHz Synchronous Step-Down Regulator with 15 Preset Output Voltages
  • SC220
    • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC220Q
    • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC2308A
    • 600kHz Step-Up Switching Regulator with 2.2A, 45V Switch
  • SC284
    • Dual Channel 2.5MHz, 1.8A Synchronous Step-Down Regulator
  • SC3102
    • 2A Synchronous Step-Down Regulator
  • SC401B
    • 15A Integrated FET Regulator with Programmable LDO
  • SC402B
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC120

Semtech SC120

Low Voltage Synchronous Boost Converter

The SC120 is a high efficiency, low noise, synchronous step-up DC-DC converter that provides boosted voltage levels in low-voltage handheld applications. The wideinput voltage range allows use in systems with single NiMH or alkaline battery cells as well as in systems with higher voltage battery supplies.

Features


  • Input voltage — 0.7V to 4.5V
  • Minimum start-up voltage — 0.85V
  • Output voltage — fixed at 3.3V; adjustable from 1.8V to 5.0V
  • Peak input current limit — 1.2A
  • Output current at 3.3 VOUT — 80mA with VIN = 1.0V, 190mA with VIN = 1.5V
  • Efficiency up to 94%
  • Internal synchronous rectifier
  • Switching frequency — 1.2MHz
  • Automatic power save
  • Anti-ringing circuit
  • Operating supply current (measured at OUT) — 50μA
  • Shutdown current — 0.1μA (typ)
  • No forward conduction path during shutdown
  • Available in ultra-thin 1.5 x 2.0 x 0.6 (mm) MLPD-UT-6 and SOT23-6 packages
  • Lead-free and halogen-free
  • WEEE and RoHS compliant

Applications


  • MP3 players
  • Smart Phones and cellular phones
  • Palmtop computers and handheld Instruments
  • PCMCIA cards
  • Memory cards
  • Digital cordless phones
  • Personal medical products
  • Wireless VoIP phones
  • Small motors

Packaging

MLPD-UT-6

SOT23-6

Order Codes

  • SC120ULTRT: (MLPD-UT-6) Lead Free, WEEE and RoHS Compliant, 3000 pcs, Tape and Reel only
  • SC120SKTRT: (SOT23-6) Lead Free, WEEE and RoHS Compliant, 3000 pcs, Tape and Reel only