CMOS power supply support circuit, featuring a fixed +3.9V threshold voltage with 1% accuracy. This voltage detector monitors a single input, providing active high/low reset output. Operating from 700mV to 7V, it exhibits a low quiescent current of 500nA and a maximum supply current of 1.58uA. Packaged in SSOP-5 for surface mounting, it operates between -40°C and 125°C.
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Rohm BU4939G-TR technical specifications.
| Accuracy | 1% |
| Package/Case | SSOP |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 540mW |
| 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 |
| RoHS | Compliant |
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