LM810M3X-4.38

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The LM810M3X-4.38 is a multi-channel Supervisory Circuit for systems powered by 3-volt to 5-volt supplies. It is usually used as an external supervisor controlling power-on reset, system reset, power-down, power-supply monitoring and voltage monitoring. This device is an advanced low power type, designed specifically to complement systems powered by 3 V and 5 V supplies. Additionally, this device has a wide operating temperature range from -40°C to 85°C.

LM810M3X-4.38 monitors a single power supply voltage and has two reset outputs. Outside of system reset, the two outputs can be used independently to monitor two levels of a single supply voltage, one output active high and the other output active low. The device is programmable to generate a reset signal whenever the supply voltage drops below a pre-set threshold of 2.15, 2.45, 2.85 and 4.38V, or when the voltage rises above the set threshold.

The device also provides a low power power-down feature to safely shut down system components when the supply voltage is less than the preset threshold. After the power-down feature is triggered, the reset output pins remain inactive until the VPWR rises above the threshold level by an amount greater than the low voltage reset hysteresis voltage plus the VP threshold voltage. This ensures that the reset outputs remain inactive until the supply voltage is stabilized above the threshold level.

In addition, the device has a wide-range of features and options, such as high current output, adjustable reset timeout and programmable reset assertion thresholds for crash protection. Its high accuracy voltage monitoring allows the device to be used for multiple power-supply or system fault conditions. Furthermore, the LM810M3X-4.38 is designed with advanced precision techniques to minimize the reset propagation delay.

As a multi-channel PMIC supervisor, the LM810M3X-4.38 can be used in various applications as an ideal solution for monitoring, reset and power supply control functions. Examples of applications include mobile phones, PDAs, tablets, GPS receivers, 3G/4G applications, automotive entertainment systems, handheld data entry terminals, portable medical equipment and communication systems.

In conclusion, the LM810M3X-4.38 is a reliable and cost-effective solution for supplying power, supervising power and sustaining system safety. Its multi-channel supervision capability, accuracy and wide operating temperature range makes it suitable for use in multiple applications.

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