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MAX8570 - High-Efficiency LCD Boost

General Description

The MAX8570 family of LCD step-up converters uses an internal n-channel switch and an internal p-channel output isolation switch.

These converters operate from a 2.7V to 5.5V supply voltage and deliver up to 28V at the output.

Key Features

  • protect the int.

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Other Datasheets by Maxim Integrated (now Analog Devices)

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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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19-3329; Rev 3; 3/10 MAX8570–MAX8575 EVAALVUAAILTAIOBNLEKIT High-Efficiency LCD Boost with True Shutdown General Description The MAX8570 family of LCD step-up converters uses an internal n-channel switch and an internal p-channel output isolation switch. These converters operate from a 2.7V to 5.5V supply voltage and deliver up to 28V at the output. A unique control scheme provides the highest efficiency over a wide range of load conditions. The internal MOSFET switch reduces external component count and a high switching frequency (up to 800kHz) allows for tiny surface-mount components. Three current-limit options are available. The MAX8570 and MAX8572 use a 110mA current limit to reduce ripple and component size in low-current applications.