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MAX1865 - xDSL/Cable Modem Triple/Quintuple Output Power Supplies

Download the MAX1865 datasheet PDF. This datasheet also covers the MAX1864 variant, as both devices belong to the same xdsl/cable modem triple/quintuple output power supplies family and are provided as variant models within a single manufacturer datasheet.

General Description

The MAX1864/MAX1865 power-supply controllers are designed to address cost-conscious applications such as cable modem Consumer Premise Equipment (CPE), xDSL CPE, and set-top boxes.

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Note: The manufacturer provides a single datasheet file (MAX1864-MaximIntegrated.pdf) that lists specifications for multiple related part numbers.

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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19-2030; Rev 0; 4/01 EVAALVUAAILTAIOBNLEKIT xDSL/Cable Modem Triple/Quintuple Output Power Supplies MAX1864/MAX1865 General Description The MAX1864/MAX1865 power-supply controllers are designed to address cost-conscious applications such as cable modem Consumer Premise Equipment (CPE), xDSL CPE, and set-top boxes. Operating off a low-cost, unregulated DC supply (such as a wall adapter output), the MAX1864 generates three positive outputs, and the MAX1865 generates four positive outputs and one negative output to provide a cost-effective system power supply. The MAX1864 includes a current-mode synchronous step-down controller and two positive regulator gain blocks. The MAX1865 has one additional positive gain block and one negative regulator gain block.