MAX803 Series, NCP803 Series Very Low Supply Current 3-Pin Microprocessor Reset Monitor
2021-06-22
The MAX803/NCP803 is a cost−effective system supervisor circuit designed to monitor V-CC in digital systems and provide a reset signal to the host processor when necessary. No external components are required.
The reset output is driven active within 10 μsec of V-CC falling through the reset voltage threshold. Reset is maintained active for a timeout period which is trimmed by the factory after V-CC rises above the reset threshold. The MAX803/NCP803 has an open drain active−low RESET output. Both devices are available in SOT−23 and SC−70 packages.
The MAX803/NCP803 is optimized to reject fast transient glitches on the V-CC line. Low supply current of 0.5 μA (V-CC = 3.2 V) make these devices suitable for battery powered applications.
●Features:
■Precision V-CC Monitor for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies
■Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps
■Four Guaranteed Minimum Power−On Reset Pulse Width Available (1 ms, 20 ms, 100 ms, and 140 ms)
■RESET Output Guaranteed to V-CC = 1.0 V
■Low Supply Current
■V-CC Transient Immunity
■No External Components
■Wide Operating Temperature: −40°C to 105°C
■These Devices are Pb−Free and are RoHS Compliant
The reset output is driven active within 10 μsec of V-CC falling through the reset voltage threshold. Reset is maintained active for a timeout period which is trimmed by the factory after V-CC rises above the reset threshold. The MAX803/NCP803 has an open drain active−low RESET output. Both devices are available in SOT−23 and SC−70 packages.
The MAX803/NCP803 is optimized to reject fast transient glitches on the V-CC line. Low supply current of 0.5 μA (V-CC = 3.2 V) make these devices suitable for battery powered applications.
●Features:
■Precision V-CC Monitor for 1.5 V, 2.5 V, 3.0 V, 3.3 V, and 5.0 V Supplies
■Precision Monitoring Voltages from 1.2 V to 4.9 V Available in 100 mV Steps
■Four Guaranteed Minimum Power−On Reset Pulse Width Available (1 ms, 20 ms, 100 ms, and 140 ms)
■RESET Output Guaranteed to V-CC = 1.0 V
■Low Supply Current
■V-CC Transient Immunity
■No External Components
■Wide Operating Temperature: −40°C to 105°C
■These Devices are Pb−Free and are RoHS Compliant
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