Details, datasheet, quote on part number: BD46421
CategoryPower Management => Supervisory Circuits => Voltage Detectors
CompanyROHM Electronics
DatasheetDownload BD46421 datasheet


Features, Applications

BD45XXXG and BD46XXXG are series of high-accuracy detection voltage and low current consumption VOLTAGE DETECTOR ICs adopting CMOS process. New lineup of 156 types with delay time circuit have developed. Delay time is fixed in the IC due to the built-in counter timer to require no external capacitor. Total 156 types of VOLTAGE DETECTOR ICs including BD45XXXG series (Nch open drain output) and BD46XXXG series (CMOS output), each of which has 26 kinds in every 0.1V step (2.3~4.8V) and three kinds of delay time 100msec, 200msec) have developed.

Applications Every kind of appliances with microcontroller and logic circuit Features 1) Built-in delay time circuit 2) No external capacitor for setting delay time required 3) 3 kinds of delay time: 200msec(Typ.)(BD45XX2G,BD46XX2G) 4) Detection voltage: 4.8V 0.1V step 5) High-accuracy detection voltage: 1.0% 6) Ultra low current consumption: 0.85A typ. 7) Output circuit: Nch open CMOS(BD46XXXG) 8) Package: SSOP5(SMP5C2) 9) Operating temperature range: ~ +105C Application Circuit

1pin : External RESET control 2pin : Connect to Sub, GND 3pin : GND 4pin : VOUT 5pin : VDD
(Fixed delay time by the built-in 10% of high-accuracy counter timer)

Power supply voltage VDD GND Output Nch open drain output VOUT voltage CMOS output ER pin input voltage VCT Power 1 Pd Operating temperature range Topr Tstg Storage temperature range

1 Derating: 5.4mW/C for operation above a 70.0mmX70.0mmX16mm glass epoxy PCB.)
Detection voltage temperature coefficient Hysteresis voltage Circuit current when ON

Circuit current when OFF Min. operating voltage "L" output current "H" output current Output leak current "H" transmission delay time ER pin "H" voltage ER pin "L" voltage ER pin input current

1 This value is guranteed at Ta=25C. Note) RL is not necessary for CMOS output type. Note) Please refer to the detection voltage of Line-up table.


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