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MAX1804 - External Four-Input Feedback Integrator for Power Supplies

General Description

The MAX1804 feedback integrator is designed to improve voltage regulation in power-supply systems.

The device corrects line- and load-regulation problems, and can be used to compensate for voltage drops in power-management distribution lines.

Key Features

  • High Precision (±1% max Error) Low Power (25µA Supply Current) Automatic Input Disable Shutdown (1µA max Supply Current) Inputs and Outputs High Impedance in Shutdown or When V+ = 0 +2.7V to +5.5V Supply Range 2.8V to 5.5V Regulation Adjust Range Parallelable for More than Four Inputs 10-Pin µMAX Package MAX1804 Ordering Information PART MAX1804EUB TEMP. RANGE -40°C to +85°C PIN-.

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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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19-1737; Rev 0; 7/00 External Four-Input Feedback Integrator for Power Supplies General Description The MAX1804 feedback integrator is designed to improve voltage regulation in power-supply systems. The device corrects line- and load-regulation problems, and can be used to compensate for voltage drops in power-management distribution lines. The regulation set point is determined by an external reference voltage applied at the ADJ pin. The difference between that reference and MAX1804 feedback is integrated, and a correction current is applied to the voltage regulator’s feedback. The MAX1804’s four inputs allow voltage monitoring in several local and remote locations to correct for distribution losses caused by long traces, connectors, and switches.