The TPV803/809/810 is a series of supervisory circuit that monitors power supply voltage levels and provides a power-on reset signal. They provide a reset output during poer-up, power-down, and brownout conditions.
The reset timeout periods are fixed at 200 ms (typical).
The TPV803 and TPV809 provide an active low reset signal (RESET), whereas the TPV810 provides an active high signal (RESET) output. The TPV809 and TPV810 have push-pull out puts, whereas the TPV803 has an open-drain output, which requires an external pull-up resistor.
The TPV803/809/810 is available in 3-lead SOT-23-3 and SOT-23 package and typically consumes only 2.2 μA, suitable for use in low power, portable applications.
Features
Precision low voltage monitoring
200 ms (typical) reset timeout
Open-drain Active-low output (TPV803)
Push-pull Active-low output (TPV809)
Push-pull Active-high output (TPV810)
Low power consumption: 2.2 μA
Guaranteed reset output valid to VCC = 1 V
Power supply glitch immunity
Specified from −40°C to +125°C
3-lead SOT-23-3 and SOT-23 package
Applications
Microprocessor systems
Computers
Controllers
Intelligent instruments
Portable equipment
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