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 SC4808B

Semtech SC4808B

High-Performance Dual Ended PWM Controller

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Features


  • 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
  • MSOP-10 package
  • -40°C to +105°C operating temperature

Applications


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

Packaging

MSOP-10

Order Codes

  • SC4808BIMSTR: Package Minimum Tape & Reel Only
  • SC4808BIMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
 
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