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
  • SC4910A
    • High-Performance Secondary Side Controller with Synchronous Rectifier
  • SC4905B
    • High-Performance Voltage-Mode PWM Controller
Semtech SC4910B

Semtech SC4910B

High-Performance Secondary Side Controller with Synchronous Rectifier

Features


  • Synchronous rectification with adaptive control
  • Programmable secondary side delay
  • Programmable switching frequency
  • Programmable max. duty cycle
  • Remote voltage sense capability
  • Close-loop soft start with active-low shutdown
  • 0.75 V precision reference for low-output applications
  • Oscillator sychronization
  • Under-voltage lockout
  • Operation to 1 MHz
  • Current-mode or voltage-mode operation
  • Single-stage power conversion with multiphase link capability (with SC4201)
  • Monotonic start-up with pre-biased output
  • Active current-sharing capability
  • 4.5 V typical start-up threshold
  • 20-pin TSSOP package

Applications


  • Telecom isolated DC to DC converters
  • Isolated VRMS
  • Networking power supplies
  • Industrial power supplies
  • Distributed power architectures
  • High-density power modules

Packaging

TSSOP-20

Order Codes

  • SC4910BITSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only