KA278R05C Fairchild Semiconductor, KA278R05C Datasheet
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KA278R05C
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KA278R05C Summary of contents
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... SHORTCIRCUIT 1.4V PROTECTION 3 GND (KA278R33/05/12C) ©2011 Fairchild Semiconductor Corporation Description The KA278RXXC is a low-dropout voltage regulator suit- able for various electronic equipments. It provides constant voltage power source with TO-220-4 lead full mold package. The dropout voltage of KA278RXXC 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 ...
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KA278RXXC-SERIES Absolute Maximum Ratings KA278RXXC, KA278RA05C 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) 2 Symbol Value Vin KA278RXXC Vdis Io Pd1 ...
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... Pneumatic heat sink fixture. -. Clamping pressure 60psi through 12mm diameter cylinder. -. Thermal grease applied between PKG and heat sink fixture. 3. KA278R33C : Vin = 5V KA278R05C : Vin = 7V KA278R12C : Vin = 15V 4. KA278R33C : Vin =4 to 10V KA278R05C : Vin=6 to 12V KA278R12C : Vin = 13V to 29V Symbol Conditions - Rload 5mA < ...
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KA278RXXC-SERIES Typical Performance Characteristics KA278R33C 5.25 4.50 3.75 RL= 3.00 2.25 RL=3.3Ω 1.50 0. Input voltage Vin (V) Figure 1. Output Voltage vs. Input Voltage 5.25 4.50 3.75 3.00 2.25 1.50 0. 0.5 1 ...
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Typical Performance Characteristics - TEMPERATURE Tj( Figure 7. Power Dissipation vs. Temperature(Tj) 4.75 4.50 4.25 4.00 3.75 3. Input-output differential voltage Vin-Vo (V) Figure 9. Output Peak Currenrt ...
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... KA278RXXC-SERIES Typical Performance Characteristics KA278R05C RL= 4 RL=2.5 Ω Input voltage Vin (V) Figure 1. Output Voltage vs. Input Voltage 0.5 1 1.5 Disable voltage Vdis (V) Figure 3. Output Voltage vs. Disable Voltage - Junction temperature Tj( Figure 5. Quiescent Current vs. Temperature(Tj) ...
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Typical Performance Characteristics - TEMPERATURE Tj( Figure 7. Power Dissipation vs. Temperature(Tj) 4.75 4.50 4.25 4.00 3.75 3. Input-output differential voltage Vin-Vo (V) Figure 9. Output Peak Currenrt ...
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KA278RXXC-SERIES Typical Performance Characteristics KA278R12C 15.0 12.5 RL= 10.0 RL= 6Ω 7.5 5.0 2 Input voltage Vin (V) Figure 1. Output Voltage vs. Input Voltage 15.0 12.5 10.0 7.5 5.0 2 0.5 1 1.5 ...
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Typical Performance Characteristics - TEMPERATURE Tj( Figure 7. Power Dissipation vs. Temperature(Tj) 4.75 4.75 4.50 4.50 4.25 4.25 4.00 4.00 3.75 3.75 3.50 3. ...
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KA278RXXC-SERIES Typical Performance Characteristics KA278RA05C RL= 4 RL=2.5Ω Input voltage Vin (V) Figure 1. Output Voltage vs. Input Voltage 5.06 5.04 5.02 5.00 4.98 4.96 4.94 4.92 - ...
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Typical Performance Characteristics 100 100 3.0 3 1.0 1.0 2.0 2.0 Output Current(A) Output Current(A) Figure 7. Overcurrent Protection Characteristics(Typical value) (Continued) 4.0 4.0 5.0 5.0 6.0 6.0 ...
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KA278RXXC-SERIES Typical Application KA278R33/05/12C • required if regulator is located at an appreciable distance from power supply filter. • Co improves stability and transient response.(Co > 47μF) KA278RA05 Input Input Input • required if regulator is ...
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Mechanical Dimensions Package TO-220F-4L KA278RXXC-SERIES Dimensions in millimeters 13 ...
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KA278RXXC-SERIES Mechanical Dimensions Package TO-220F-4L (Forming) 14 (Continued) Dimensions in millimeters ...
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... KA278RXXC-SERIES Ordering Information Product Number KA278R33CTU KA278R05CTU KA278R12CTU KA278RA05CTU KA278R12CYDTU TO-220F-4L(Forming) 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 ...