Diodes Incorporated APX803L05-42SR-7 Voltage Supervisor IC

The APX803L05-42SR-7 from Diodes Incorporated is a highly precise voltage supervisor IC designed to ensure reliable operation of microprocessors, microcontrollers, and other voltage-sensitive devices. This compact component is a crucial part of any system that requires consistent monitoring of the power supply voltage to prevent data corruption, erratic operation, or damage due to power outages or brownouts.

With a nominal threshold voltage of 4.2V, the APX803L05-42SR-7 is particularly suitable for 5V systems where maintaining a stable operating voltage is essential. It provides a reset signal to the host system whenever the VCC voltage drops below the minimum voltage threshold, ensuring that the system has sufficient time to execute a proper shutdown sequence, thus safeguarding data integrity and preventing hardware damage.

The device features a low supply current, making it an energy-efficient choice for battery-operated applications. It boasts a reset timeout period of approximately 140ms, which offers a suitable delay for most systems to respond to power variations. The APX803L05-42SR-7 comes in a compact SOT-23 package, which is ideal for space-constrained applications, and supports an extended temperature range of -40°C to +85°C, making it versatile for use in a wide range of environmental conditions.

Key features of the APX803L05-42SR-7 include:

• 4.2V threshold voltage for 5V power supply monitoring
• Low supply current for energy efficiency
• 140ms minimum reset timeout period
• Compact SOT-23 package for space-saving design
• Operating temperature range of -40°C to +85°C
• Push-pull active-low reset output

Overall, the APX803L05-42SR-7 is an excellent choice for any designer looking to enhance the reliability and stability of their electronic systems. Its precise voltage monitoring capability and robust feature set make it a key component in protecting sensitive digital circuits from unpredictable power conditions.