Switching Regulators
  • SC417
    • 10A Integrated FET Regulator with Programmable LDO and Selectable Ultrasonic Power-Save
  • SC427
    • 10A Integrated FET Regulator with Programmable LDO and Selectable Regular Power-Save
  • SC122
    • Low Voltage Synchronous Boost Converter
  • SC121
    • Low Voltage Synchronous Boost Regulator
  • SX1239
    • Low Power Integrated UHF Receiver
  • SC4538
    • High Efficiency Boost Converter for up to 10 LEDs
  • SC4539
    • High Efficiency Boost Converter for up to 6 LEDS
  • SC561
    • Dual Output Low Noise LDO Linear Regulator
  • SC810
    • Single Input/Single Mode Single-cell Li-ion Battery Charger
  • SCDAS4F
    • Standard Recovery, High Current Center Tap and Doubler Rectifier Assemblies
Semtech SC4624

Semtech SC4624

Low Input Voltage, High Efficiency, 4A Integrated FET Synchronous Step down DC/DC Regulator

The SC4624 is a highly integrated synchronous step-down DC/DC regulator designed for low input voltage range of 2.3V to 5.5 Volts. It can deliver 4A continuous output current with the output voltage as low as 0.5 Volts. The internal low RDS(ON) synchronous power switches eliminate the need for external Schottky diode while delivering overall converter efficiency up to 95%.

Features


  • VIN Range: 2.3 – 5.5V
  • 4A Continuous Output Current
  • Adjustable Output Voltage 0.5V to Vin
  • Low RDS(ON) integrated FETs: 75mΩ and 47mΩ
  • Up to 95% Efficiency
  • Synchronizable and Programmable Frequency: 200KHz – 2MHz
  • Power Good Monitor
  • <1μA of Shutdown Current
  • Programmable Soft Start
  • Programmable Current Limit
  • Over Temperature protection
  • -40 to +85 °C Ambient Temperature Range
  • Starts into pre-biased output
  • 4x4mm MLPQ-20 and SOIC-16EDP packages- WEEE and RoHS Compliant

Applications


  • Low Voltage Distributed DC-DC Converters
  • Telecommunication Power Supplies
  • Portable Equipment
  • xDSL

Packaging

SO-16 EDP,MLPQ-20

Order Codes

  • SC4624MLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel
  • SC4624SETRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only