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 SC4812

Semtech SC4812

Primary Side PoE PWM Controller

Add to Watch List

The SC4812 is a highly integrated current mode PWM controller designed for isolated or non-isolated dc-dc converters in telecommunication and data communication applications. It minimizes the amount of external discrete components needed and leads to substantial cost and space saving converter designs.

Features


  • Wide input range
  • High-voltage start-up circuit
  • Current mode control
  • Transconductance error amplifier
  • Leading-edge blanking
  • Cycle by cycle current limit
  • Programmable external soft-start
  • Thermal shutdown
  • SO-8 package. This product is fully WEEE and RoHS compliant

Applications


  • IP phones, PoE
  • Telecom isolated converters
  • Off-line isolated power supplies
  • Instrumentation power supplies
  • Battery chargers

Packaging

SOIC-8

Order Codes

  • SC4812STRT: Lead-Free, RoHS and WEEE Compliant, Package Minimum Tape & Reel Only
 
- Close -
Add Product to Watch List

Please login to the mySemtech member site to add products to your personal Watch List.

If you're not registered for mySemtech, please Register now. mySemtech member benefits include pre-filled forms for quick and easy online ordering, technical support, new product information and more.