78M08 Three-terminal Positive Voltage Regulator TO-251 1.IN 2.GND 3.OUT Features Maximum Output current IOM: 0.5 A Output voltage VO: 8V Continuous total dissipation PD: 1.25 W (Ta = 25 ℃ ) TO-252-2L Dimensions in inches and (millimeters) ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value Unit VI 35 V TOPR 0-+125 ℃ TSTG -65-+150 ℃ Input Voltage Operating Junction Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS (Vi=14V,Io=350mA,Ci=0.33μF,Co=0.1μF,unless otherwise specified) Parameter Output voltage Symbol Vo Test conditions 10.5≤V i≤23V, Io=5mA-350mA Po≤ 15W Load Regulation Line regulation ΔVo ΔVo MIN TYP MAX UNIT 25℃ 7.7 8 8.3 V 0-125℃ 7.6 8 8.4 V Io=5mA-500mA 25℃ 20 160 mV Io=5mA-200mA 25℃ 10 80 mV 10.5V≤V i≤25V, Io=200mA 25℃ 6 100 mV 11V≤V i≤25V, Io=200mA 25℃ 2 50 mV 25℃ 4.6 6 mA Iq Quiescent Current ΔIq 10.5V≤V i≤25V, Io=200mA 0-125℃ 0.8 mA ΔIq 5mA≤I O≤350mA 0-125℃ 0.5 mA Output Noise Voltage VN 10Hz≤ f ≤100KHz 25℃ Ripple Rejection RR 11.5V≤Vi≤21.5V,f=120Hz,Io=300mA Dropout Voltage Vd Io=350mA Short Circuit Current Isc Vi=14V Peak Current Ipk Quiescent Current Change TYPICAL APPLICATION Vi 1 3 0.33μF 2 uV 80 dB 25℃ 2 V 25℃ 250 mA 25℃ 0.7 A 0-125℃ Vo 78M08 UTC Ci 52 0.5A Co 0.1μF 56 78M08 Three-terminal Positive Voltage Regulator http://www.luguang.cn mail:[email protected]