Typical Application for 1 MHz Low Start-up Voltage Synchronous Boost LED Constant Current Regulator

Reference Design using part MCP1643 by Microchip Technology

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Manufacturer

Microchip Technology
  • Application Category
    Power Supplies
  • Product Type
    DC to DC Single Output Power Supplies

For End Products

  • Backlighting
  • Head Lamps
  • Portable Lighting
  • Rechargeable Flashlights
  • Wall LED Lamps
  • WLED Flashlights

Description

  • Typical Application for 1 MHz Low Start-up Voltage Synchronous Boost LED Constant Current Regulator with WLED. MCP1643 is a compact, high-efficiency, fixed frequency, synchronous step-up converter optimized to drive one LED with constant current, that operates from one and two-cell alkaline and NiMH/NiCd batteries

Key Features

  • Conversion Type
    DC to DC
  • Topology
    Boost

Featured Parts (4)

Featured Parts
Part Number Manufacturer Type Description
MCP1643T-I/MS Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 0.5V to 5V Synchronous Step Up Single-Out 0.6V to 5V 0.55A 8-Pin MSOP T/R Buy
MCP1643-I/MS Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 0.5V to 5V Synchronous Step Up Single-Out 0.6V to 5V 0.55A 8-Pin MSOP Tube Buy
MCP1643T-I/MC Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 0.5V to 5V Synchronous Step Up Single-Out 0.6V to 5V 0.55A 8-Pin DFN EP T/R Buy
MCP1643-I/MC Microchip Technology DC to DC Converter and Switching Regulator Chip Conv DC-DC 0.5V to 5V Synchronous Step Up Single-Out 0.6V to 5V 0.55A 8-Pin DFN EP Tube Buy

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