The LP3872/LP3875 1.5A Fast Ultra Low Dropout Linear Regulators are developed on a CMOS process which allows low quies- cent current operation independent of output load current. These ultra low dropout linear regulators respond very quickly to step changes in load, which makes them suitable for low voltage microprocessor applications.
The LP3872/LP3875 series are fast ultra low-dropout linear regulators designed for microprocessor applications, operating from a +2.5V to +7.0V input supply. These devices utilize a CMOS process to achieve extremely low dropout conditions and low quiescent current operation independent of the output load.
| Operating Input Voltage Range | +2.5V to +7.0V |
|---|---|
| Maximum Output Current | 1.5A DC |
| Dropout Voltage (Typical) | 38mV at 150mA, 380mV at 1.5A |
| Quiescent Current (Shutdown) | Typically 10nA |
| Output Voltage Accuracy | +/- 1.5% at room temperature |
| Operating Temperature Range | -40°C to +125°C |
The typical dropout voltage is 380mV at a 1.5A load current.
The error flag goes low when the output voltage drops 10% below the nominal value.
They are available in TO-263, TO-220 and SOT-223 packages.