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MC78T08CT Scheda tecnica(PDF) 1 Page - ON Semiconductor |
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MC78T08CT Scheda tecnica(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2004 March, 2004 − Rev. 4 1 Publication Order Number: MC78T00/D MC78T00 Series 3.0 A Positive Voltage Regulators This family of fixed voltage regulators are monolithic integrated circuits capable of driving loads in excess of 3.0 A. These three−terminal regulators employ internal current limiting, thermal shutdown, and safe−area compensation. Devices are available with improved specifications, including a 2% output voltage tolerance, on AC−suffix 5.0 V, 12 V and 15 V device types. Although designed primarily as a fixed voltage regulator, these devices can be used with external components to obtain adjustable voltages and currents. This series of devices can be used with a series−pass transistor to supply up to 15 A at the nominal output voltage. • Output Current in Excess of 3.0 A • Power Dissipation: 25 W • No External Components Required • Output Voltage Offered in 2% and 4% Tolerance* • Thermal Regulation is Specified • Internal Thermal Overload Protection • Internal Short Circuit Current Limiting • Output Transistor Safe−Area Compensation • Pb−Free Packages are Available Figure 1. Simplified Application Input Output Cin* 0.33 mFCO** MC78TXX A common ground is required between the input and the output voltages. The input voltage must remain typically 2.2 V above the output voltage even during the low point on the input ripple voltage. XX these two digits of the type number indicate voltage. ** Cin is required if regulator is located an appreciable distance from power supply filter. ** (See Applications Information for details.) ** CO is not needed for stability; however, it does improve transient response. 3 A POSITIVE FIXED VOLTAGE REGULATORS TO−220 T SUFFIX CASE 221A Pin 1. Input 2. Ground* 3. Output *Heatsink surface is connected to Pin 2. 1 2 3 http://onsemi.com See detailed ordering and shipping information in the package dimensions section on page 10 of this data sheet. ORDERING INFORMATION MARKING DIAGRAMS D2PAK−3 CASE 936 MC 78TxxyzD2T AWLYWW MC = Specific Device Code xx = Voltage Option y = “A” letter for precise 2% regulators, not used for standard 4% regulators. z = temperature range, “B” for wide temperature range, −40 °C to +125°C, “C” for standard temperature range, 0 °C to +125°C. A = Assembly Location WL= Wafer Lot Y = Year W = Work Week MC 78TxxyzT AWLYWW |
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