PWM Controllers
  • SC418
    • DC-DC Buck PWM Controller with Programmable LDO
  • SC419
    • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC454
    • Single-Phase Single Chip IMVP-6/6+ Vcore Power Supply
  • SC493
    • Step-down Controller with I2C Interface
  • 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 SC4611

Semtech SC4611

Wide Input Range High-Performance Synchronous Buck Switching Regulator

Features


  • Wide input range: 4.5 V to 30 V
  • Output voltage as low as 0.5 V
  • 2 A output drive capability
  • Asynchronous start-up mode
  • Multimode over-current protection with current limit, hiccup mode and latched shutdown
  • Over-voltage crowbar protection
  • Power-OK signal
  • Programmable frequency up to 1 MHz with external synchronization
  • -40°C to +85°C operating temperature
  • Thermal shutdown
  • Small TSSOP-20 package

Applications


  • Distributed power architectures
  • Telecommunication equipment
  • Servers & work stations
  • Mixed-signal applications
  • Paralleled synchronous buck convertors
  • Base station power management

Packaging

TSSOP-20

Order Codes

  • SC4611ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only