LP3872 - National Semiconductor

LP3872 1.5A Fast Ultra Low Dropout Linear Regulators

The LP3872/LP3875 series of fast ultra low-dropout linear regulators operate from a +2.5V to +7.0V input supply. Wide range of preset output voltage options are available. 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 are develop.

Features

n n n n n n n n n n n n Ultra low dropout voltage Low ground pin current Load regulation of 0.06% 10nA quiescent current in shutdown mode Guaranteed output current of 1.5A DC Available in TO-263 and TO-220 packages Output voltage accuracy ± 1.5% Error flag indicates output status Sense option improves load regulation Minimum output capacitor requirements Overtemperature/overcurrent protection −40˚C to +125˚C junction temperature range Applications n n n n n n n n Microprocessor power supplies GTL, GTL+, BTL, and SSTL bus terminators Power supplies for DSPs SCSI terminator Post regulators High.