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MAX1864

Maxim Integrated
Part Number MAX1864
Manufacturer Maxim Integrated
Description xDSL/Cable Modem Triple/Quintuple Output Power Supplies
Published Jul 22, 2017
Detailed Description 19-2030; Rev 0; 4/01 EVAALVUAAILTAIOBNLEKIT xDSL/Cable Modem Triple/Quintuple Output Power Supplies MAX1864/MAX1865 ...
Datasheet PDF File MAX1864 PDF File

MAX1864
MAX1864

Overview
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.
The main synchronous step-down controller generates a high-current output that is preset to 3.
3V or adjustable from 1.
236V to 0.
8 ✕ VIN with an external resistivedivider.
The 100kHz/200kHz operating frequency allows the use of low-...


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