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M66503AGP - 16-BIT CONSTANT CURRENT LED DRIVER

General Description

The M66503A is a constant current LED driver IC, whose output current is variable.

The IC’s functions include 16-bit serial input/parallel output shift register with output latch.

Key Features

  • Anode-common LED driving.
  • Constant current output: Set to a value within a range between 0 and 30mA with an external resistor only. Simultaneous lighting available.
  • Pins (OEA, OEB) provided for forced ON/OFF of LED drive current.
  • Greater noise margin: Total-input Schmitt circuit is employed to deal with longer wire lengths.
  • Input/output CMOS compatible.
  • Serial data output provided (SQ15).
  • 5V single power supply.
  • Pin conf.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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MITSUBISHI MITSUBISHI 〈DIGITAL 〈DIGITAL ASSP ASSP 〉 〉 M66503ASP/AGP M66503ASP/AGP 16-BIT CONSTANT CURRENT LED DRIVER with SHIFT REGISTER AND LATCH 16-BIT CONSTANT CURRENT LED DRIVER with SHIFT REGISTER AND LATCH DESCRIPTION The M66503A is a constant current LED driver IC, whose output current is variable. The IC’s functions include 16-bit serial input/parallel output shift register with output latch. The product uses Bi-CMOS process for highly accurate constant current driving, permitting high-efficiency LED driving without using a resistor that limits LED current. Settings for the LED drive current are made by an external resister, thereby ensuring a maximum output current of 30 mA, enough for anode-common LED driving.