Switching Regulators
  • SC4525D
    • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
    • 28V 3A Step-Down Switching Regulator
  • SC4524D
    • 18V 2A Step-Down Switching Regulator
  • SC4524C
    • 28V 2A Step-Down Switching Regulator
  • SC427
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
    • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
    • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
    • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
Semtech SC185

Semtech SC185

4A Synchronous Step-Down Regulator

The SC185 is a 4A synchronous step-down regulator designed to operate with an input voltage range of 2.9V to 5.5V. The device requires only three external filter components for a complete a step down regulator solution. The output voltage is factory predetermined with an available range of 1.0V to 3.3V.

Features


  • VIN Range: 2.9 - 5.5V
  • VOUT Options: 1.0V to 3.3V
  • Up to 4A Output Current
  • Ultra-Small Footprint, <1mm Height Solution
  • 1.5MHz Switching Frequency
  • Optional Power Save Mode Operation
  • Efficiency Up to 95%
  • Low Output Noise Across Load Range
  • Excellent Transient Response
  • Start Up into Pre-Bias Output
  • 100% Duty-Cycle Low Dropout Operation
  • <1μA Shutdown Current
  • Externally Programmable Soft Start Time
  • Power Good indicator
  • Input Under-Voltage Lockout
  • Output Over-Voltage, Current Limit Protection
  • Over-Temperature Protection
  • 3mm x 3mm x 0.6mm thermally enhanced
  • MLPQ-UT16 package
  • -40 to +85°C Temperature Range
  • Pb-free, Halogen free, and RoHS/WEEE compliant

Applications


  • Desktop Computing
  • Set-Top Box
  • LCD TV
  • Network Cards
  • Printer

Packaging

  • MLPQ-UT16

Order Codes

  • SC185xULTRT
  • SC185xEVB: SC185x Evaluation Board