APX803L40-38SA-7

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APX803L40-38SA-7 is a supervisory device designed for use in personal mobile and other electronic products.

The device belongs to PMIC Supervisors family and provides cost-effective supply monitoring and reset functions. This family of supervisor devices promotes good design practice as it redues component count and complexity and shifts the burden of monitoring logic to an IC with an integrated solution.

As a PMIC Supervisor, APX803L40-38SA-7 is specifically designed to track supply voltages against minimum and maximum values and take appropriate exception action. It has a sophisticated reset circuit with adjustable time delay, a reset status flag and latch, which allows the user to tailor reset timing for their particular application. The device\'s low operating current ( 20uA typical ) also conserves power to extend battery life.

APX803L40-38SA-7 operates over a wide 2.7V to 5.5V supply voltage range. It features supply voltage monitoring from 2.375V to 6.0V with standard input thresholds of 4.0V, 3.15V and 2.5V. There is an adjustable timeout period for reset which can be programmed from a minimum 0.06s to an 18s maximum.

APX803L40-38SA-7 also has four operation modes that differ in their electrical and logical behavior. The four modes include Stop, No-Stop, Reset ( active-LOW ) and Reset ( active-HIGH ). Depending on the application in use, the user can choose the most suitable mode.

APX803L40-38SA-7 has 2 integrated on/off control outputs, one of which can be used for reset of the system. It also has an open-drain supply voltage monitor (SVM) output, which can be used to monitor changes in the system\'s supply voltage. The SVM output is activated when the voltage drops below a certain threshold value.

In addition to its application fields and work cases, APX803L40-38SA-7 also has three levels of power supply monitoring and resetting. The first level monitors the system\'s DC/DC converter, while the second level watchdogs the microcontroller\'s power supply. The third level monitors the total system\'s supply voltage.

The APX803L40-38SA-7 device is ideal for use in applications requiring supply voltage monitoring. It is useful for ensuring regular operation of the system and for resetting the microcontroller during power failure or system brownouts. Its small size and low power consumption make the device suitable for mobile electronic devices like smartphones and tablets.

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