Overview

The SC4911 is a highly integrated bias/primary side PWM controller designed for off-line or isolated dc-dc converters in telecommunication and data communication applications. The high degree of integration minimizes the amount of discrete parts needed and leads to substantial cost and space saving converter designs.

Features

  • Programmable switching frequency up to 500kHz
  • Line UVLO Protection
  • Undervoltage Lockout
  • Low startup current (45μA)
  • Cycle by cycle current limit
  • 8 pin MSOP. Available in Lead-free, fully WEEE and RoHS compliant

Packaging

  • MSOP-8

Order Codes

  • SC4911AMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC4911BMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
  • SC4911IMSTR: Package Minimum Tape & Reel Only
  • SC4911IMSTRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only

PB Free/ROHS

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Applications

  • Telecom isolated converters
  • Offline isolated power supplies
  • Instrumentation power supplies
  • Battery chargers

Inventory

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