| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 3 Pin |
| Supply Voltage (DC) | 5.50V (max) |
| Voltage Rating (DC) | 6.00 V |
| Case/Package | SOT-23-3 |
| Supply Current | 0.018 mA |
| Number of Positions | 3 Position |
| Power Dissipation | 0.32 W |
| Quiescent Current | 15.0 µA |
| Threshold Voltage | 4.63 V |
| Reset Threshold Voltage (Min) | 4.56 V |
| Reset Threshold Voltage (Max) | 4.7 V |
| Operating Temperature (Max) | 105 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 320 mW |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 1.2 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tape & Reel (TR) |
| Size-Length | 2.92 mm |
| Size-Width | 1.3 mm |
| Size-Height | 0.93 mm |
| Operating Temperature | -40℃ ~ 105℃ (TA) |
The LM809M3-4.63/NOPB is a 3-pin Microprocessor Supervisory Circuit with active-low RESET output. The supervisory circuit can be used to monitor the power supplies in microprocessor and digital systems. It provides a reset to the microprocessor during power-up, power-down and brownout conditions. The function of the LM809 is to monitor the VCC supply voltage and assert a reset signal whenever this voltage declines below the factory-programmed reset threshold. The reset signal remains asserted for 240ms after VCC rises above the threshold.
● Power supply transient immunity
● Fully specified over-temperature
● Ensured RESET output valid for VCC >= 1V
● Superior upgrade to MAX809 and MAX810
● 140ms Minimum power-ON reset pulse width
● 15µA Typical low supply current
● Green product and no Sb/Br
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