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