CMOS power supply support circuit featuring a fixed +3.1V threshold voltage with 1% accuracy. This voltage detector, designed for surface mount installation in a VSOP-4 package, provides a single channel of simple reset/power-on reset functionality. It operates across a wide temperature range from -40°C to 125°C, with a maximum power dissipation of 210mW. The device boasts a low operating supply current of 550nA, with quiescent and supply currents as low as 450nA and 1.4uA respectively. Reset output is available in active high or active low configurations.
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Rohm BU4931FVE-TR technical specifications.
| Accuracy | 1% |
| Package/Case | VSOF |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 210mW |
| Max Reset Threshold Voltage | 3.131V |
| Min Reset Threshold Voltage | 3.069V |
| Max Supply Current | 1.4uA |
| 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 | 3.131V |
| Package Quantity | 3000 |
| Packaging | Tape and Reel |
| Quiescent Current | 450nA |
| Reset | Active High/Active Low |
| RoHS Compliant | Yes |
| Threshold Voltage | 3.1V |
| Type | Simple Reset/Power-On Reset, Voltage Detector |
| Undervoltage Threshold | 3.069V |
| Watchdog Timer | No |
| RoHS | Compliant |
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