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 SC4806

Semtech SC4806

Multiple Function Double Ended PWM Controller

The SC4806 is a double ended, high speed, highly integrated PWM controller optimized for applications requiring minimum space. The device is easily configurable for current mode or voltage mode operation and contains all the control circuitry required for isolated  applications, where a secondary side error amplifier is used.

Features


  • 90 µA starting current
  • Pulse-by-pulse current limit for both voltage/current modes
  • Programmable operating frequency up to 1MHz
  • Programmable external soft start
  • Programmable line undervoltage lockout
  • Programmable external slope compensation
  • Over current shutdown with separate pin
  • Dual output drive stages on push-pull configuration
  • Programmable mode of operation (peak current mode or voltage mode)
  • External frequency synchronization
  • Bi-phase mode of operation
  • -40 to 105 °C operating temperature
  • Lead free MLP-12 package, WEEE and RoHS compliant

Applications


  • Telecom equipment and power supplies
  • Networking power supplies
  • Industrial power supplies
  • Push-pull converter
  • Half bridge converter
  • Full bridge converter
  • Isolated VRMs

Packaging

MLPQ-12

Order Codes

  • SC4806MLTRT: Lead-free, RoHS and WEEE compliant, 3000 pcs. Tape & Reel