The LP3876-ADJ fast ultra low-dropout linear regulators operate from a +2.5V to +7.0V input supply. These ultra low dropout linear regulators respond very quickly to step changes in load, which makes them suitable for low voltage microprocessor applications. The LP3876-ADJ is developed on a CMOS process which allows low quiescent current operation independent of output load current. This CMOS process also allows the LP3876-ADJ to operate under extremely low dropout conditions.
Dropout Voltage: Ultra low dropout voltage; typically 80mV at 300mA load current and 800mV at 3A load current.
Ground Pin Current: Typically 6mA at 3A load current.
Shutdown Mode: Typically 1µA quiescent current when the shutdown pin is pulled low.
Adjustable Output Voltage: The output voltage may be programmed via two external resistors.
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| Output options | Adjustable Output |
| Iout (max) (A) | 3 |
| Vin (max) (V) | 7 |
| Vin (min) (V) | 2.5 |
| Vout (max) (V) | 5.8 |
| Vout (min) (V) | 1.2 |
| Noise (µVrms) | 100 |
| Iq (typ) (mA) | 6 |
| Thermal resistance θJA (°C/W) | 60 |
| Rating | Catalog |
| Load capacitance (min) (µF) | 10 |
| Regulated outputs (#) | 1 |
| Features | Enable |
| Accuracy (%) | 4 |
| Dropout voltage (Vdo) (typ) (mV) | 800 |
| Operating temperature range (°C) | -40 to 125 |
| TO-263 (KTT) | 5 | 154.8384 mm² 10.16 x 15.24 |
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