EV3801DH-01A

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EL Lamp Driver for Handheld Applications Evaluation Board
  • 数量 价格
  • 1
    US$ 25.00 /unit

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Product Description

The EV3801DH-01A is an evaluation board for the MP3801, a power IC that offers a complete solution for driving an Electroluminescent (EL) lamp of up to 5 square inches from 1-cell Li-Ion or 2 to 3 cell alkaline/NiCad/NiMH battery input.

Product Features

  • Wide Range 2.5V to 5.5V Battery Voltage
  • One power supply source input
  • Split power supply input capability
  • Dedicated EN input capability

Parametrics

  • IC Supported 1MP3801

Monolithic IC

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IC Details

The MP3801 is a high output voltage, DC to AC converter designed for driving Electroluminescent (EL) lamps of up to 5 square inches. The device operates from an input voltage range of 2.5V to 5.5V, making it suitable for 1-cell Li-Ion and 2 or 3-cell alkaline/NiCad/NiMH battery applications. The device uses a single inductor and a minimum number of passive components. The MP3801 converts a low-voltage DC input to a ±95V regulated output voltage that drives the EL lamp. The MP3801 is comprised of two stages: a boost stage and a H-bridge lamp driver stage. The boost stage converts the input voltage up to 95V. The H-bridge stage alternately switches the 95V to each terminal of the EL lamp. The MP3801 has two separate internal oscillators for the boost and H-bridge stages. The frequency of each oscillator is set independently via external resistors. This flexibility allows the EL lamp circuit to be optimized for maximum performance. Also, the IC can be enabled /disabled by connecting these two resistors to VDD/GND. The MP3801 is available in an 8-pin MSOP package.