TPV809 Low Voltage Supervisory Circuit

　　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 power-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 outputs,whereas the TPV803 has an open-drain output,which requires an external pull-up resistor.The TPV803/809/810 is available in 3-lead SOT23-3 and SOT23G-3 package and typically consumes only 2.2μA,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:2.2μA

 

　　-Guaranteed reset output valid to VCC=1 V

 

　　-Power supply glitch immunity

 

　　-Specified from−40°C to+125°C

 

　　-3-lead SOT23-3 and SOT23G-3 package

 

　　Applications

 

　　-Microprocessor systems

 

　　-Computers

 

　　-Controllers

 

　　-Intelligent instruments

 

　　-Portable equipment