MIC809-5 General Description
The MIC809-5 is a power supply supervisor that provides under-voltage monitoring and power-on reset generation in an industry standard 3-pin SOT package and pinout. The reset output is asserted at power-on and any time the input voltage drops below the programmed threshold. It remains asserted for 30ms (min.) after the input subsequently rises back above the threshold boundary. The MIC809-5 has an active-low reset output. Hysteresis is included to prevent chattering due to noise, and the MIC809-5 is inherently immune to brief power supply transients. Typical supply current is a low 6µA. For those applications that require a manual reset function, see the MIC811/812. For those applications that require a longer reset timeout, see the
MIC809/810. (The MIC809-5 is identical to the industry-standard MIC809 with the exception of a shorter reset timout.)
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