Data Sheet Rev. 1
CN 1 View All

Overview

Features and Benefits

  • >87% Efficiency
  • 2.6V to 5.5V Input Voltage Range
  • Analog LED Intensity Control
  • Drives Up to Three Series White LEDs with Uniform Brightness
  • Small, Low-Profile External Components
  • 0.3µA IC Shutdown Current (typ)
  • 1.2MHz Switching Frequency
  • 8-Pin SOT23 Package
  • Fully Assembled and Tested

    • Product Details

    The MAX1848 evaluation kit (EV kit) is a fully assembled and tested circuit board that contains a step-up switching-regulator current source powering three series-connected white LEDs. The circuit provides programmable LED current. The EV kit can be powered from a 2.6VDC to 5.5VDC source.

    The MAX1848 features programmable soft-start and LED brightness control. The MAX1848 EV kit demonstrates matching LED brightness with high converter efficiency (87%) to maximize battery life. Operation at 1.2MHz allows the use of tiny surface-mount components.

    Applications

    • Cell Phones
    • Consumer Audio
    • Digital Still Cameras
    • LCD Displays and Panels
    • Palmtops, Handy Terminals
    • Pen Entry Palmtops, PDAs and Organizers
    • Point-of-Sale Terminals

    Applicable Parts

    Documentation & Resources

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  • Data Sheet (1)
    • Document Type