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| LM7812K Features Output current in excess of 1A Internal thermal overload protection No external components required Output transistor sate area protection Internal short circuit current limit Available in the alumnum TO-3 package Absolute Maximum Ratings Parameters Input Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMPOL VIN PD TO-3 PINOUTS 1.INPUT 2.OUTPUT 3.GND Voltage Regulators Values MIN MAX 35 15 -20 80 -55 150 UNITS V W ELECTRICAL CHARACTERISTICS Parameter and Conditons Output Voltage VIN = 14.5-27V Io = 5mA-1.0A PD= 15W Line Regulation VIN = 14.5-30V Io = 500mA Load Regulation Io = 5mA-1.5A VIN = 19V Input Voltage Ripple Rejection f = 100Hz VIN = 12V Io = 100mA VIPP = 4V Maxium Output Current Average TC of VOUT Io = 5mA Tj = 0-125 Output Noise Voltage f = 10Hz-100kHz MIN 11.4 Values TYP 12 MAX 12.6 UNIT V mV mV V dB 1.5 -0.3 40 A mV/ V 160 120 14.5 35 62 Wing Shing Computer Components Co., (H.K.)Ltd. Homepage: http://www.wingshing.com Tel:(852)2341 9276 Fax:(852)2797 8153 E-mail: wsccltd@hkstar.com |
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