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
  • SC21154
  • Tiny 1.2A Synchronous Buck Regulator with Programmable Soft Start
  • 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 Solid State Relay
Semtech SC120

Semtech SC120

Low Voltage Synchronous Boost Converter

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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
 
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