278R05 Datasheet | Fairchild Semiconductor

.. .fairchildsemi. KA278R05 Low Dropout Voltage Regulator Features - - - - - 2A/5V Output Low Dropout Voltage Regulator TO-220 Full-Mold Package (4Pin) Overcurrent Protection, Thermal Shutdown Overvoltage Protection, Short Circuit Protection With Output Disable Function Description The KA278R05 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220 4 lead full mold package. The dropout voltage of KA278R05 is below 0.5V in full rated current(2A). This regulator has various functions such as a peak current protection, a thermal shut down, an overvoltage protection and an output disable function. TO-220F-4L 1.Vin 2. Vo 3. GND 4. Vdis Internal Block Diagram Q1 Vin Vo THERMAL SHUTDOWN OVERVOLTAGE PROTECTION BANDGAP REFERENCE + R1 SOA PROTECTION HIGH / LOW Vdis 4 + OUTPUT ON / OFF R2 1.4V SHORT-CIRCUIT SHORTCIRCUIT PROTECTION 3 GND Rev. 1.0.2 ©2002 Fairchild Semiconductor Corporation .. KA278R05...