The ON Semiconductor ASM812LEUSF is a microprocessor voltage supervisor designed to maintain system integrity during power-up, power-down, and brown-out conditions. This high-precision device is crucial for applications where reliable operation is paramount, ensuring that microprocessor systems reset from a low voltage condition and maintain the correct logic state during power fluctuations.

Key Features

• Voltage Threshold: The ASM812LEUSF offers a precise factory-set voltage threshold, ensuring accurate monitoring of the supply voltage.
• Low Power Consumption: With its low power consumption, this voltage supervisor is an ideal choice for power-sensitive applications.
• Manual Reset Input: The inclusion of a manual reset input provides designers with the flexibility to initiate a system reset independently of the voltage conditions.
• Reset Timeout: The device boasts a 140 ms minimum reset timeout period, which gives the system ample time to stabilize after a reset event.
• Operating Temperature Range: The ASM812LEUSF operates effectively across a wide temperature range, making it suitable for various environmental conditions.
• Compact Package: Housed in a small 4-pin USP package, it is perfect for space-constrained applications.

Applications

The ASM812LEUSF is versatile and can be used across a broad range of applications. These include:

• Portable/Battery-Powered Equipment
• Microprocessor/Microcontroller Systems
• Computers and Laptops
• Industrial Controllers
• Automotive Systems

Product Benefits

Integrating the ASM812LEUSF into your design can offer several advantages, such as enhanced system reliability due to its precise voltage monitoring and reset capabilities. Additionally, its low power draw contributes to the overall energy efficiency of the system. The device's small footprint and manual reset option provide further design flexibility, making it a robust solution for safeguarding critical electronic systems.

For detailed specifications, application notes, and additional resources, please refer to the official ON Semiconductor documentation for the ASM812LEUSF voltage supervisor.