CMOS power supply support circuit featuring a fixed +0.9V output. This voltage detector offers a 1% accuracy with a reset threshold voltage range of 891mV to 909mV. Designed for surface mounting, it operates within a -40°C to 125°C temperature range and supports a maximum supply voltage of 7V. The device exhibits a low operating supply current of 550nA and quiescent current of 300nA, with a maximum power dissipation of 400mW. It includes one monitored input and provides active high/active low reset functionality.
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Rohm BU4909F-TR technical specifications.
| Accuracy | 1% |
| Package/Case | SOP |
| Max Operating Temperature | 125°C |
| Min Operating Temperature | -40°C |
| Max Power Dissipation | 400mW |
| Max Reset Threshold Voltage | 909mV |
| Min Reset Threshold Voltage | 891mV |
| Max Supply Current | 880nA |
| 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 | 909mV |
| Package Quantity | 3000 |
| Packaging | Tape and Reel |
| Quiescent Current | 300nA |
| Reset | Active High/Active Low |
| RoHS Compliant | Yes |
| Threshold Voltage | 900mV |
| Type | Simple Reset/Power-On Reset, Voltage Detector |
| Undervoltage Threshold | 891mV |
| Watchdog Timer | No |
| RoHS | Compliant |
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