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7812A

ON Semiconductor
Part Number 7812A
Manufacturer ON Semiconductor
Description MC7812A
Published Oct 20, 2007
Detailed Description www.DataSheet4U.com MC7800, MC7800A, NCV7805 1.0 A Positive Voltage Regulators These voltage regulators are monolithic ...
Datasheet PDF File 7812A PDF File

7812A
7812A

Overview
www.
DataSheet4U.
com MC7800, MC7800A, NCV7805 1.
0 A Positive Voltage Regulators These voltage regulators are monolithic integrated circuits designed as fixed−voltage regulators for a wide variety of applications including local, on−card regulation.
These regulators employ internal current limiting, thermal shutdown, and safe−area compensation.
With adequate heatsinking they can deliver output currents in excess of 1.
0 A.
Although designed primarily as a fixed voltage regulator, these devices can be used with external components to obtain adjustable voltages and currents.
• Output Current in Excess of 1.
0 A • No External Components Required • Internal Thermal Overload Protection • Internal Short Circuit Current Limiting • Output Transistor Safe−Area Compensation • Output Voltage Offered in 2% and 4% Tolerance • Available in Surface Mount D2PAK−3, DPAK−3 and Standard 3−Lead Transistor Packages • NCV Prefix for Automotive and Other Applications Requiring Site and Control Changes • Pb−Free Packages are Available MAXIMUM RATINGS (TA = 25°C, unless otherwise noted) Value Rating Input Voltage Power Dissipation Thermal Resistance, Junction−to−Ambient Thermal Resistance, Junction−to−Case Storage Junction Temperature Range Operating Junction Temperature (5.
0 − 18 V) (24 V) Symbol VI PD RqJA RqJC Tstg TJ 369C 221A 35 40 Internally Limited 92 5.
0 65 5.
0 −65 to +150 +150 Figure 14 5.
0 936 Vdc W °C/W °C/W °C °C Unit http://onsemi.
com TO−220−3 T SUFFIX CASE 221A 1 Heatsink surface connected to Pin 2.
3 Pin 1.
Input 2.
Ground 3.
Output D2PAK−3 D2T SUFFIX CASE 936 2 1 3 Heatsink surface (shown as terminal 4 in case outline drawing) is connected to Pin 2.
4 1 2 3 DPAK−3 DT SUFFIX CASE 369C STANDARD APPLICATION Input Cin* 0.
33 mF MC78XX Output CO** A common ground is required between the input and the output voltages.
The input voltage must remain typically 2.
0 V above the output voltage even during the low point on the input ripple voltage.
XX, These two digits of the type num...


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