BU4336FVE-TR

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The BU4336FVE-TR from ROHM Semiconductor is a supervisor IC designed for use in power supply circuits of systems that employ secondary power sources such as batteries. It is a single chip device that contains a voltage reference, a low dropout regulator, a time base, and a reset circuit. The device can be used in a variety of applications such as mobile phones, laptops, tablets, and more.

The BU4336FVE-TR operates by monitoring the system voltage and outputting a reset signal when the voltage falls below a customizable threshold. The device can be used with a maximum supply voltage of 6V, which is suitable for most battery-powered systems. It also features a low quiescent current of only 24μA, making it suitable for applications that require long battery life. Additionally, it is capable of supporting up to two power supplies with both the input and output supplies adjustable within the device.

The device has various features and characteristics designed to ensure proper operation. It has an active-low reset output that is asserted when the voltage drops below the threshold and is then released when the voltage corrects itself. It also has two external components that can be used to set the desired reset threshold, providing greater flexibility for system design. Additionally, the reset signal output is debounced for noise immunity, ensuring it does not reset too often due the noise inherent in power supply circuits. The device also includes a watchdog timer that can be enabled to regularly reset the system in the case of a problem.

The BU4336FVE-TR is well suited for many battery-powered systems in the automotive, industrial, and consumer markets, where proper safety is of the utmost importance. It is designed to help ensure reliable, safe operation of the system in a variety of extreme conditions and environments. And with its wide operating range, adjustable voltage thresholds, and low power consumption, the BU4336FVE-TR is a cost effective solution for many power supply applications.

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