CMOS power supply support circuit featuring a fixed +3.9V threshold voltage with 1% accuracy. This voltage detector provides a single channel of power-on reset with active high/low output. Operating from 700mV to 7V, it exhibits a low quiescent current of 500nA and a maximum supply current of 1.58µA. Packaged in SOP for surface mounting, it operates between -40°C and 125°C with a maximum power dissipation of 400mW.
PackageSOP
MountingSurface Mount
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Technical Specifications
Rohm BU4939F-TR technical specifications.
General
Accuracy
1%
Package/Case
SOP
Max Operating Temperature
125°C
Min Operating Temperature
-40°C
Max Power Dissipation
400mW
Max Reset Threshold Voltage
3.939V
Min Reset Threshold Voltage
3.861V
Max Supply Current
1.58uA
Max Supply Voltage
7V
Min Supply Voltage
700mV
Mount
Surface Mount
Number of Monitored Inputs
1
Number of Voltages Monitored
1
Operating Supply Current
550nA
Output
TOTEM-POLE
Overvoltage Threshold
3.939V
Package Quantity
3000
Packaging
Tape and Reel
Quiescent Current
500nA
Reset
Active High/Active Low
RoHS Compliant
Yes
Threshold Voltage
3.9V
Type
Simple Reset/Power-On Reset, Voltage Detector
Undervoltage Threshold
3.861V
Watchdog Timer
No
Compliance
RoHS
Compliant
Datasheet
Rohm BU4939F-TR Datasheet
Download the complete datasheet for Rohm BU4939F-TR to view detailed technical specifications.
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