Voltage Supervisor, Undervoltage Sensing Circuit, Micropower, with Open Collector Output, Qualified for 3.0 V Systems 4.27 V, Active Low
onsemi
onsemi - NCV33164D-3R2
* $0.49 - $0.57
onsemi - NCV33164D-5R2G
* $0.28 - $0.80