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MAX1620 - Digitally Adjustable LCD Bias Supplies

Datasheet Summary

Description

The MAX1620/MAX1621 convert a 1.8V to 20V battery voltage to a positive or negative LCD backplane bias voltage.

Backplane bias voltage can be automatically disabled when the display logic voltage is removed, protecting the display.

Features

  • MAX1620/MAX1621 Ordering Information PART MAX1620EEE MAX1621EEE TEMP. RANGE -40°C to +85°C -40°C to +85°C PIN-.

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Datasheet preview – MAX1620

Datasheet Details

Part number MAX1620
Manufacturer Maxim
File Size 253.86 KB
Description Digitally Adjustable LCD Bias Supplies
Datasheet download datasheet MAX1620 Datasheet
Additional preview pages of the MAX1620 datasheet.

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Full PDF Text Transcription

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19-1214; Rev 1; 1/98 NUAL KIT MA ATION EET H S A EVALU T WS DA O L L O F Digitally Adjustable LCD Bias Supplies General Description The MAX1620/MAX1621 convert a 1.8V to 20V battery voltage to a positive or negative LCD backplane bias voltage. Backplane bias voltage can be automatically disabled when the display logic voltage is removed, protecting the display. These devices use very little PC board area, come in ultra-small QSOP packages, and require only small, low-profile external components. Output voltage can be set to a desired positive or negative voltage range with external resistors, and adjusted over that range with the on-board digital-to-analog converter (DAC) or with a potentiometer.
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