KA78R05 Fairchild Semiconductor, KA78R05 Datasheet
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KA78R05
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KA78R05 Summary of contents
Page 1
... The KA78R05 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. Dropout voltage of KA78R05 is below 0.5V in full rated current(1A). This regulator has various function such as peak current protection, thermal shut down, overvoltage protection and output disable function ...
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... KA78R05 Absolute Maximum Ratings Parameter Input Voltage Disable Voltage Output Current Power Dissipation 1 Power Dissipation 2 Junction Temperature Operating Temperature Thermal Resistance, Junction-to Case (Note2) Thermal Resistance, Junction-to-Air (Note2) Thermal Shutdown Temperature Electrical Characteristics (Vin = 7V 0.5A unless otherwise specified) Parameter Symbol Output Voltage ...
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... Figure 2. Quiescent Current vs. Input Voltage 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 2 2.5 3 Figure 4. Output Voltage vs. Temperature(Tj) 0.6 0.5 0.4 0.3 0.2 0.1 0 100 125 o C) Figure 6. Dropout Voltage vs. Junction Temperature KA78R05 RL Input voltage Vin (V) - 100 125 o TEMPERATURE Tj Io=3A 2.0A 1.0A 0. ...
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... KA78R05 Typical Perfomance Characteristics - TEMPERATURE T Figure 7. Power Dissipation vs. Temperature(Ta) 4 (Continued) 75 100 125 Figure 8. Overcurrent Protection Characteristics 100 100 100 1.5 1.5 1 0.5 0.5 0.5 1.0 1.0 1.0 2.0 2.0 2.0 2.5 2.5 2.5 Output Current(A) Output Current(A) Output Current(A) (Typical Value) 3 ...
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... Typical Application Vin • required if regulator is located an appreciable distance from power supply filter. • Co improves stability and transient response.(Co > Vdis Figure 1. Application Circuit KA78R05 Vo GND Disable Signal 5 ...
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... KA78R05 Mechanical Dimensions Package 6 Dimensions in millimeters TO-220F-4L ...
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... Mechanical Dimensions Package TO-220F-4L (Forming) (Continued) Dimensions in millimeters KA78R05 7 ...
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... KA78R05 Mechanical Dimensions Package TO-220F-4L (Short Lead) 8 (Continued) Dimensions in millimeters NOTE 1. THESE DIMENSIONS DO NOT INCLUDE MOLD PROTRUSION REFERENCE ASS'Y OUT QUALITY TITLE PKG OUTLINE D TO-220F-4L , SHORT LEAD UNIT TOLERANCE SCALE N DWG. NO. SPEC NO. ...
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... Ordering Information Product Number KA78R05TU TO-220F-4L KA78R05YDTU TO-220F-4L(Forming) KA78R05TSTU TO-220F-4L(Short Lead) Package Operating Temperature - KA78R05 9 ...
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... KA78R05 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. ...