Switching Regulators
  • SC4525D
  • 18V, 3A, 350kHz Step-Down Switching Regulator
  • SC4525C
  • 28V 3A Step-Down Switching Regulator
  • SC4524D
  • 18V 2A Step-Down Switching Regulator
  • SC4524C
  • 28V 2A Step-Down Switching Regulator
  • SC427
  • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC417
  • 10A EcoSpeed® Integrated FET Regulator with Programmable LDO
  • SC410
  • 3A, 24V EcoSpeed® Step-Down Regulator with LDO and Ultrasonic Power Save
  • SC403B
  • 6A EcoSpeed® Integrated FET Regulator with Programmable LDO
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