278R05 – KA278R05, 2A, 5V, Regulator

278R05 Datasheet PDF learn more.

Part number : KA278R05, 278R05

Functions : 2A, 5V, Output Low Dropout Voltage Regulator

Package information : TO-220F-4L Type

Manufacturer : Fairchild

Image :

278R05 datasheet pinout

The texts in the PDF file :


• Nominal 5 V Output without Adjusting
• Output Adjustable between 1.27 V and 32 V
• 2 A Output Low-Dropout Voltage Regulator
• TO-220 Full-Mold Package (4 Pin)
• Over-Current Protection, Thermal Shutdown
• Over-Voltage Protection, Short-Circuit Protection


The 278R05 is a low-dropout voltage regulator suitable for various electronic equipment. It provides a constant voltage power source in a TO-220 4-lead full-mold package. The dropout voltage is below 0.5 V in full-rated current (2 A). This regulator has peak current protection, thermal shutdown, and over-voltage protection.

278R05 PDF File

278R05 pdf