ka278ra05 Fairchild Semiconductor, ka278ra05 Datasheet
ka278ra05
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ka278ra05 Summary of contents
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... The KA278RA05 is a low-dropout voltage regulator suitable for various electronic equipments. It provides constant voltage power source with TO-220F-4 lead full mold package. Dropout voltage of KA278RA05 is below 0.5V in full rated current(2A). This regulator has various function such as peak current protection, thermal shut down and over voltage protection ...
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... KA278RA05 Absolute Maximum Ratings Parameter Input Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Electrical Characteristics (Vin =7V, I =1.0A unless otherwise specified) O Parameter Symbol Output Voltage Load Regulation Line Regulation Ripple Rejection Ratio Dropout Voltage Quiescent Current Reference Voltage Note: 1 ...
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... Figure 2. Quiescent Current vs. Input Voltage 100 125 C) Figure 4. Quiescent Current vs. Temperature(Tj) =5V 100 125 o C) Figure 6. Power Dissipation vs. Temperature(Ta) KA278RA05 RL Input voltage Vin (V) - 100 125 o Junction temperature Tj - ...
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... KA278RA05 Typical Perfomance Characteristics 100 100 1.0 1.0 2.0 2.0 3.0 3.0 Output Current(A) Output Current(A) Figure 7. Overcurrent Protection Characteristics (Typical Value) 4 4.0 4.0 5.0 5.0 6.0 6.0 ...
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... Junction temperature Tj() Junction temperature Tj() Vin Vin KA278RA05 KA278RA05 GND GND 4 4 Vadj Vadj 3 3 Figure 9. Application Circuit (Fixed Mode) KA278RA05 Output Output Output 0.6k = 0. ...
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... KA278RA05 Mechanical Dimensions Package 6 Dimensions in millimeters TO-220F-4L ...
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... Ordering Information Product Number Package KA278RA05 TO-220F-4L Operating Temperature - KA278RA05 7 ...
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... KA278RA05 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. ...