LP38856S-1.2/NOPB Datasheet PDF - TI

●The LP38856 is a high-current, fast-response regulator which can maintain output voltage regulation with an extremely low input-to-output voltage drop. Fabricated on a CMOS process, the device operates from two input voltages: VBIAS provides power for the internal bias and control circuits, as well as drive for the gate of the N-MOS power transistor, while VIN supplies power to the load. The use of an external bias rail allows the part to operate from ultra-low VIN voltages. Unlike bipolar regulators, the CMOS architecture consumes extremely low quiescent current at any output load current. The use of an N-MOS power transistor results in wide bandwidth, yet minimum external capacitance is required to maintain loop stability.

●The fast transient response of this device makes it suitable for use in powering DSP, microcontroller core voltages, and switch mode power supply post regulators. The LP38856 is available in 5-pin TO-220 and DDPAK/TO-263 packages.