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Maria

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General Description The MAX4373 MAX4374 MAX4375 low cost micropow er high side current sense supervisors contain a high side current sense amplifier bandgap reference and comparator with latching output They feature a voltage output that eliminates the need for gain setting resistors making them 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 to +28V input common mode range is independent of the supply voltage which ensures that the current sense feedback remains viable even when connected to a battery pack in deep discharge The comparator output of the MAX4373 MAX4374 MAX4375 is latched to provide a turn off flag that doesn t oscillate In addition the MAX4374 MAX4375 contain a second comparator for use in window detec tion functions The MAX4373 MAX4374 MAX4375 are available in three different gain versions T +20V V F +50V V H +100V V and use an external sense resistor to set the sensitivity of the input voltage to the load current These features offer a high level of inte gration resulting in a simple and compact current sense solution The MAX4373 MAX4374 MAX4375 operate from a sin gle 7V to +28V supply and consume A They are specified for the extended operating temperature range 40°C to +85°C and are available in pin and pin MAX packages icon
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General Description The MAX4373 MAX4374 MAX4375 low cost micropow er high side current sense supervisors contain a high side current sense amplifier bandgap reference and comparator with latching output They feature a voltage output that eliminates the need for gain setting resistors making them 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 to +28V input common mode range is independent of the supply voltage which ensures that the current sense feedback remains viable even when connected to a battery pack in deep discharge The comparator output of the MAX4373 MAX4374 MAX4375 is latched to provide a turn off flag that doesn't oscillate In addition the MAX4374 MAX4375 contain a second comparator for use in window detec tion functions The MAX4373 MAX4374 MAX4375 are available in three different gain versions T +20V V F +50V V H +100V V and use an external sense resistor to set the sensitivity of the input voltage to the load current These features offer a high level of inte gration resulting in a simple and compact current sense solution The MAX4373 MAX4374 MAX4375 operate from a sin gle 7V to +28V supply and consume A They are specified for the extended operating temperature range 40°C to +85°C and are available in pin and pin MAX packages

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