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IMP525 - SINGLE CELL BATTERY POWERED ELECTROLUMINESCENT LAMP DRIVER/INVERTER

Description

Positive voltage supply for the IMP525.

Inductor L may be connected here or to a separate supply.

Switch-mode resistor pin.

Features

  • x Wide operating voltage range - from 0.9V to 2.5V x Simple design requires few passive components x 112V peak-to-peak typical AC output voltage x Adjustable output frequency controls lamp color and power consumption x Adjustable converter frequency minimizes circuit power consumption x Disable mode extends battery life x Disable current under 2µA x Compact MicroSO package option.

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Datasheet Details

Part number IMP525
Manufacturer IMP Inc
File Size 191.01 KB
Description SINGLE CELL BATTERY POWERED ELECTROLUMINESCENT LAMP DRIVER/INVERTER
Datasheet download datasheet IMP525 Datasheet

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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.

View original datasheet text
IMP525 POWER MANAGEMENT Single Cell Battery Powered Electroluminescent Lamp Driver/Inverter The IMP525 is an Electroluminescent (EL) lamp driver designed for systems that must operate below 1 volt. The input supply voltage range is 0.9V to 2.5V. Typical output lamp drive voltage is 112V. All four EL lampdriving functions are on-chip. These are the switch-mode power supply, its high-frequency oscillator, the high-voltage H-bridge lamp driver and its low-frequency oscillator. EL lamps of up to 6nF capacitance can be driven to high brightness. The circuit requires few external components; one inductor, one diode, one capacitor and two resistors. The resistors set the frequency for the two oscillators. A disable mode puts the chip into a low current-drain state.
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