LM78L12 Three-terminal positive voltage regulator SOT-89 SOT-23-3L Maximum output current IO: 0.1 A Output voltage VO : 12 V Continuous total dissipation PD : SOT-23-3L 0.35 W (Ta = 25 ℃ ) SOT-89 0.5 W (Ta= 25 ℃ ) 3 1 2 1. OUT 2. IN 3. GND ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Input Voltage Value Vl Operating Junction Temperature Range Storage Temperature Range Unit 35 V TOPR 0-+125 ℃ TSTG -55-+150 ℃ ELECTRICAL CHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (VI=19V, Io=40mA, Ci=0.33μF,Co=0.1μF, unless otherwise specified ) Parameter Symbol Test conditions 25℃ Output voltage Vo 14V≤V l≤27V, Io=1mA-40mA Io=1mA-70mA Load Regulation △Vo Line regulation △Vo Quiescent Current Quiescent Current Change TYP MAX UNIT 11.5 12 12.5 V 11.4 12 12.6 V 11.4 12 12.6 V Io=1mA-100mA 25℃ 22 100 mV Io=1mA-40mA 25℃ 13 50 mV 14.5V≤V l≤27V 25℃ 55 250 mV 16V≤V l≤27V 25℃ 49 200 mV 25℃ 4.3 6.5 mA Iq △Iq 16V≤V l≤27V 0-125℃ 1.5 mA △Iq 1mA≤IO≤40mA 0-125℃ 0.1 mA Output Noise VoItage VN 10Hz≤f≤100KHz Ripple Rejection RR 15V≤V l≤25V,f=120Hz Dropout Voltage Vd TYPICAL APPLICATION 0-125℃ MIN vi 25℃ 0-125℃ 25℃ 2 1 37 70 uV 42 dB 1.7 V Vo LM78L12 Ci 0.33μF 3 C0 0.1μF Note : Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. LM78L12 Typical Characteristics ２ JinYu semiconductor www.htsemi.com Ｄａｔｅ：２０１１／０５