Switching Regulators
  • SC195F
  • 3.5MHz, 500mA Synchronous Step Down DC-DC Regulator
  • SC202F
  • 3.5MHz, 500mA Step-down Regulator with Integrated Inductor
  • SC21150
  • Tiny 1.2A Synchronous Buck Regulator
  • SC21152
  • Tiny 1.2A Synchronous Buck Regulator with Power Good
  • SC221
  • 20MHz, 650mA, X-EMI™-Enabled Synchronous Step-Down Regulator
  • SC284AQ
  • Dual Channel 2.5MHz, 1.7A Synchronous Buck Regulator
  • TS13101
  • Galvanic Isolated Latching 60V Power Load Switch
  • TS30011
  • High Efficiency 1A Current-Mode Synchronous Buck DC/DC Converter, 1MHz
Semtech SC4910B

Semtech SC4910B

High-Performance Secondary Side Controller with Synchronous Rectifier

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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
 
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