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 SC4808C

Semtech SC4808C

High-Performance Dual Ended PWM Controller

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The SC4808C is a dual-ended, high frequency, integrated PWM controller, optimized for isolated applications that require minimum space. It can be configured for current or voltage mode operation with required control circuitry where secondary side error amplifier is used.


  • 120 µA starting current
  • Pulse-by-pulse current limit
  • Programmable operation up to 1 MHz
  • Internal soft start
  • Programmable line under-voltage lockout
  • Over-current shutdown
  • Dual output drive stages on push-pull configuration
  • Programmable internal slope compensation
  • Programmable mode of operation (peak current mode or voltage mode)
  • External frequency synchronization
  • Bi-phase mode of operation
  • -40°C to +105°C operating temperature
  • MSOP-10 lead free package. This product is fully WEEE and RoHS compliant


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



Order Codes

  • SC4808CMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
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