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| LAB MECHANICAL DATA Dimensions in mm 1 0.6 0.8 4.6 SEME LM7808 8 VOLT POSITIVE VOLTAGE REGULATOR 3.6 Dia. 16.5 FEATURES * HERMETIC TO220 METAL OR CERAMIC SURFACE MOUNT PACKAGES * SCREENING OPTIONS AVAILABLE * ALL LEADS ISOLATED FROM CASE (METAL PACKAGE) 1.0 1 3 .5 1 0 .6 123 1 3 .7 0 2 .5 4 BSC 0 .8 9 (0 .0 3 5 ) m in . 3 .7 0 (0 .1 4 6 ) 3 .4 1 (0 .1 3 4 ) 2. 70 BSC * 8 VOLT REGULATOR 3 .7 0 (0 .1 4 6 ) 3 .4 1 (0 .1 3 4 ) 4 .1 4 (0 .1 6 3 ) 3 .8 4 (0 .1 5 1 ) 3 .6 0 (0 .1 4 2 ) M ax. * OUTPUT CURRENT UP TO 1.5A * THERMAL OVERLOAD PROTECTION 1 3 0 .7 6 (0 .0 3 0 ) m in . 1 6 .0 2 (0 .6 3 1 ) 1 5 .7 3 (0 .6 1 9 ) 1 0 .6 9 (0 .4 2 1 ) 1 0 .3 9 (0 .4 0 9 ) 2 * SHORT CIRCUIT PROTECTION * OUTPUT TRANSISTOR SOA PROTECTION 9 .6 9 .3 1 1 .5 1 1 .2 7 (0 8 (0 8 (0 8 (0 .3 8 .3 6 .4 5 .4 4 1) 9) 6) 4) 0 .5 0 (0 .0 2 0 ) 0 .2 6 (0 .0 1 0 ) PIN 1 - Input PIN 2 -Ground PIN 3 - Output TO220M SMD1 - TO220 Metal Package - Isolated - Ceramic Surface Mount Package Also available in TO39 Package. ABSOLUTE MAXIMUM RATINGS (Tcase = 25C unless otherwise stated) Vi IO PD Tj Tstg Semelab plc. DC Input Voltage Output Current Power Dissipation Junction Temperature Storage Temperature 35V Internally limited Internally limited 150C -65 to 150C Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 7/00 LAB ELECTRICAL CHARACTERISTICS (Tcase = 25C unless stated) OUTPUT VOLTAGE INPUT VOLTAGE (unless otherwise specified) SEME LM7808 8 14 Test Conditions Tj = 25C IO = 5mA to 1A Tj = 25C IO = 5mA to 1.5A IO = 250 to 750 mA Tj = 25C IO = 5mA to 1A (Vi = 11.5 to 25V) Parameter VO Output Voltage Min. 7.7 PO 15W 7.6 Typ. 8 8 (Vi = 11.6 to 23V) Max. 8.3 8.4 80 Unit V DV O Line Regulation (Vi = 10.5 to 25V) 40 (Vi = 11 to 17V) mV DV O Load Regulation Tj = 25C Tj = 25C 100 mV 50 8 0.5 mA Id Quiescent Current DI d Quiescent Current Change 1 mA mV / C DV DT O Output Voltage Drift IO = 5mA B = 10Hz to 100kHz Tj = 25C 62 -1 eN Output Noise Voltage 40 mV SVR Supply Voltage Rejection f = 100Hz IO = 1A DV (Vi = 11.5 to 21.5V) dB Vd Isc Dropout Voltage Tj = 25C 2 V O = 100mV Short Circuit Current VI = 35V Tj = 25C Tj = 25C 750 mA Iscp Short Circuit Peak Current 2.2 A THERMAL DATA RTHj-case RTHj-amb Thermal Resistance Junction - Case Thermal Resistance Junction - Ambient Max. 3C / W Max. 50C / W Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612. E-mail: sales@semelab.co.uk Website: http://www.semelab.co.uk Prelim. 7/00 |
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