PWM Controllers
  • SC508A
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC508
    • EcoSpeed® DC-DC Buck Controller with Integrated LDO
  • SC493
    • EcoSpeed® Step-down Controller with I2C Interface
  • SC419
    • Single Phase DC-DC Converter with Integrated Boost Diode
  • SC418
    • EcoSpeed® DC-DC Buck Controller with Programmable LDO
  • SC4911
    • Bias/Primary Side PWM Controller with Ultra-Low Start-up Current
  • SC4910B
    • High-Performance Secondary Side Controller with Synchronous Rectifier
  • SC4910A
    • High-Performance Secondary Side Controller with Synchronous Rectifier
Semtech SC2453

Semtech SC2453

High-Performance Quad-Output Switching Regulator

Features


  • Two synchronized converters for low noise
  • Power-up sequencing to prevent latch-up
  • Out-of-phase operation for low input ripple
  • Over-current protection
  • Wide input range, 4.5 V to 30 V
  • Programmable frequency up to 700 kHz
  • Two synchronous bucks for high efficiency at high current
  • One dedicated programmable positive linear regulator and one dedicated programmable negative linear regulator
  • Output voltage as low as 0.5 V
  • Small TSSOP-28 package

Applications


  • DSL applications with multiple input voltage requirements
  • Mixed-signal applications requiring positive and negative voltages
  • Cable modem power management
  • Base station power management

Packaging

TSSOP-28

Order Codes

  • SC2453ITSTR: Package Minimum Tape & Reel Only
  • SC2453ITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only