MAX4372FEUK-T PDF Datasheet

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Description

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The MAX4372FEUK-T, MAX4372 low-cost, precision, high-side currentsense amplifier is available in a tiny, space-saving SOT23-5-pin package. Offered in three gain versions (T = 20V/V, F = 50V/V, and H = 100V/V), this device operates from a single 2.7V to 28V supply and consumes only 30μA. It features a voltage output that eliminates the need for gain-setting resistors and is ideal for
today’s notebook computers, cell phones, and other systems where battery/DC current monitoring is critical. High-side current monitoring is especially useful in battery-powered systems since it does not interfere with the ground path of the battery charger. The input common-mode range of 0 to 28V is independent of the supply voltage and ensures that the current-sense feedback remains viable even when connected to a 2-cell battery pack in deep discharge.

The user can set the full-scale current reading by choosing the device (T, F, or H) with the desired voltage gain and selecting the appropriate external sense resistor. This capability offers a high level of integration and flexibility, resulting in a simple and compact current-sense solution. For higher bandwidth applications, refer to the MAX4173T/F/H data sheet.

Features

1. Low-Cost, Compact Current-Sense Solution
2. 30μA Supply Current
3. 2.7V to 28V Operating Supply
4. 0.18% Full-Scale Accuracy
5. 0.3mV Input Offset Voltage
6. Low 1.5Ω Output Impedance
7. High Accuracy +2V to +28V Common-Mode
8. Range, Functional Down to 0V, Independent of Supply Voltage

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Description

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