描述 Description

The MIC809 and MIC810 are inexpensive microprocessor supervisory circuits that monitor power supplies in microprocessor based systems.The function of these devices is to assert a reset if the power supply drops below a designated reset threshold level. Several different reset threshold levels are available to accommodate 3V, 3.3V or 5V powered systems.The MIC809 has an active-low /RESET output, while the MIC810 offers an active-high RESET output. The reset output is guaranteed to remain asserted for a minimum of 140ms after VCC has risen above the designated reset threshold level. Having a push-pull output stage, the MIC809/810 does not require a pull-up resistor at the output. The MIC809/810 comes in a 3-pin SOT-23 and SC-70 package.The MIC809 is also available with a shorter reset timeout (30ms min.). See the MIC809-5.

特性 Features

?Precision voltage monitor for 3V, 3.3V or 5V power supplies
? /RESET remains valid with VCC as low as 1.4V for SOT-23 packaged part
?/RESET remains valid with VCC as low as 1V for SC70 packaged part
?Typically less than15μA supply current for SOT-23 packaged part
?5μ typical supply current for SC70 packaged part
?140ms minimum reset pulse widths available
? Available in 3-pin SOT-23 and SC-70 package

簡介

MIC810屬于集成電路（IC）的監(jiān)控器。由制造生產(chǎn)的MIC810監(jiān)控器PMIC 監(jiān)控器用于監(jiān)視和/或控制電路中的電壓軌，能夠連接微控制器以維持一定的功率限值。監(jiān)控器類型包括電池備用電路、監(jiān)控器、多電壓監(jiān)控器、電源監(jiān)控器、穩(wěn)壓器/監(jiān)控器、復(fù)位計時器、定序器、簡單復(fù)位/上電復(fù)位、智能開/關(guān)控制器、系統(tǒng)管理器、電壓檢測器和看門狗電路。