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General Description

 

MA41F is an integrated Hall effect latched sensor designed for electronic commutation of brush-less DC motor applications. The device includes an on-chip Hall voltage generator for magnetic sensing, a comparator that amplifies the Hall voltage, and a Schmitt trigger to provide switching hysteresis for noise rejection, and open-collector output. An internal band-gap regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.If a magnetic flux density larger than threshold Bop, OUT is turned on(low). The output state is held until a magnetic flux density reversal falls below Brp causing OUT to be turned off (high).

 

 

Featrues4V to 26V DC operation voltageTemperature compensationWide operating voltage rangeOpen-Collector pre-driver25mA maximum sinking output current.-40°C to 150°C operating temperatureSIP-3L(TO-92S) Package

 

 

ApplicationsSolid state switchHandheld Wireless Handset Awake SwitchLid close sensor for battery powered devicesMagnet proximity sensor for reed switch replacement in low duty cycle application

插件封装如下图：

贴片封装如下图：

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