JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-251-3L/TO-252-2L Plastic-Encapsulate Regulators TO-251-3L TO-252-2L CJ78M08 Three-terminal positive voltage regulator FEATURES Maximum output current IOM: 0.5 A Output voltage VO: 8V Continuous total dissipation PD: 1.25 W (Ta = 25 ℃ ) 123 1.IN 2.GND 3.OUT ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value VI 25 TOPR 0-+125 ℃ TSTG -65-+150 ℃ Input Voltage Operating Junction Temperature Range Storage Temperature Range Unit V ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=14V,Io=350mA,Ci=0.33μF,Co=0.1μF,unless otherwise specified) Pa rameter Symbol Output Voltage Vo Test conditions 10.5≤V i≤23V, Io=5mA-350mA Po≤ 15W Load Regulation ΔVo Line Regulation ΔVo Quiescent Current Iq 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 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 μV 80 dB 25℃ 2 V 25℃ 250 mA 25℃ 0.5 A 0-125℃ 56 Vo CJ78M08 UTC Ci 52 0.5A Co 0.1μF B,Jan,2012