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MAX1792 - 500mA Low-Dropout Linear Regulator

General Description

The MAX1792 low-dropout linear regulator operates from a +2.5V to +5.5V supply and delivers a guaranteed 500mA load current with low 130mV dropout.

Key Features

  • include an active-low open-drain reset output with a 4ms timeout period that indicates when the output is out of regulation, a 0.1µA shutdown mode, short-circuit protection, and thermal shutdown protection. The device is available in a miniature 1.3W, 8-pin power-µMAX package with a metal pad on the underside of the package. o Guaranteed 500mA Output Current o Low 130mV Dropout at 500mA o Up to ±1% Output Voltage Accuracy Preset at 1.5V, 1.8V, 2.5V, 3.3V, or 5.0V Adjustable from 1.25V to 5.0V o.

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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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19-1699; Rev 0; 9/00 500mA Low-Dropout Linear Regulator in µMAX General Description The MAX1792 low-dropout linear regulator operates from a +2.5V to +5.5V supply and delivers a guaranteed 500mA load current with low 130mV dropout. The high-accuracy (±1%) output voltage is preset at an internally trimmed voltage (see Selector Guide) or can be adjusted from 1.25V to 5.0V with an external resistive divider. An internal PMOS pass transistor allows the low 80µA supply current to remain independent of load, making this device ideal for portable battery-operated equipment such as personal digital assistants (PDAs), cellular phones, cordless phones, base stations, and notebook computers.