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KA278R05YDTU Scheda tecnica(PDF) 1 Page - Fairchild Semiconductor |
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KA278R05YDTU Scheda tecnica(HTML) 1 Page - Fairchild Semiconductor |
1 / 8 page ©2002 Fairchild Semiconductor Corporation www.fairchildsemi.com Rev. 1.0.2 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 1 Internal Block Diagram THERMAL SHUTDOWN BANDGAP REFERENCE OVERVOLTAGE PROTECTION SOA PROTECTION SHORTCIRCUIT PROTECTION 1 4 3 2 Vin Vdis Vo GND HIGH / LOW OUTPUT ON / OFF Q1 R1 R2 - + - + 1.4V SHORT-CIRCUIT KA278R05 Low Dropout Voltage Regulator |
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