PWM Controllers
  • SC1102
  • Synchronous Voltage-Mode Controller for Distributed Power-Supply Applications
  • SC1103
  • Asynchronous Voltage-Mode PWM Controller for 12 V Input
  • SC1104A
  • Not Recommended For New Designs
  • SC1104B
  • Simple, Synchronous Voltage-Mode PWM Controller
  • SC1109
  • Synchronous PWM Controller With Dual Low-Dropout Regulator Controllers
  • SC1110
  • Sink and Source DC/DC Controller For Termination Power Supply Applications
  • SC1116
  • Linear FET Controller for DDR Supplies
  • SC1175
  • Low-Power Dual Synchronous DC/DC Controller with Current-Sharing Circuitry
Semtech SC2608B

Semtech SC2608B

Simple, Synchronous Voltage Mode PWM Controller

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The SC2608B is a versatile voltage-mode PWM controller designed for use in step down DC/DC power supply applications. A simple, fixed frequency, highly efficient buck regulator can be implemented using the SC2608B
with minimal external components.


  • +5V or +12V input voltage
  • 250kHz operation
  • High efficiency (>90%)
  • 1.25% Voltage feedback accuracy over temperature
  • Hiccup mode over current protection
  • 1.2A output drive
  • RDS(ON) Current sensing for protection
  • Industrial temperature range
  • Available in SO-8 package
  • Integrated boot strap diode
  • Thermal Shut down
  • Fully WEEE and RoHS Compliant


  • Termination supplies
  • Low cost microprocessor supplies
  • Peripheral card supplies
  • Industrial power supplies
  • High density DC/DC conversion



Order Codes

  • SC2608BSTRT: RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC2608BEVB: SC2608B Evaluation Board
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