| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 5 Pin |
| Supply Voltage (DC) | 300mV (max) |
| Case/Package | TO-220-5 |
| Number of Outputs | 1 Output |
| Output Voltage | ≤2.00 V |
| Output Current | 1 A |
| Supply Current | 0.7mA ~ 5mA |
| Number of Positions | 5 Position |
| Quiescent Current | 5 mA |
| voltage rating | 600 mV |
| Number of Regulated Outputs | 1 Output |
| Input Voltage (Max) | 0.3 V |
| Output Current (Max) | 1 A |
| Operating Temperature (Max) | 125 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Input Voltage | 0.3 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Height | 9.25 mm |
| Operating Temperature | -40℃ ~ 125℃ |
The LM2991T is a low-dropout adjustable Negative Regulator with output voltage range between -3 to -24V. The LM2991 provides up to 1A of load current and features ON//OFF pin for remote shutdown capability. The LM2991 uses new circuit design techniques to provide a low-dropout voltage, low quiescent current and low temperature coefficient precision reference. The dropout voltage at 1A load current is typically 0.6V and an ensured worst-case maximum of 1V over the entire operating temperature range. The quiescent current is typically 1mA with a 1A load current and an input-output voltage differential greater than 3V. A unique circuit design of the internal bias supply limits the quiescent current to only 9mA when the regulator is in the dropout mode. The LM2991 is short-circuit proof and thermal shutdown includes hysteresis to enhance the reliability of the device when inadvertently overloaded for extended periods.
● Low quiescent current
● Internal short circuit current limit
● Internal thermal shutdown with hysteresis
● TTL, CMOS compatible ON//OFF switch
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