LM78L12

LM78L12 Three-terminal positive voltage regulator Maximum output current IO: 0.1 A Output voltage VO : 12 V Continuous total dissipation PD : SOT-23-3L 0.35 W (T = 25 ℃ ) a SOT-89 0.5 W (Ta= 25 ℃ ) SOT-23-3L 1 SOT-89 3 2 1. OUT 2. IN 3. GND ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Input Voltage Operating Junction Temperature Range Storage Temperature Range Symbol Vl TOPR TSTG Value 35 0-+125 -55-+150 Unit V ℃ ℃ 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℃ MIN 11.5 11.4 11.4 TYP 12 12 12 22 13 55 49 4.3 MAX 12.5 12.6 12.6 100 50 250 200 6.5 1.5 0.1 UNIT V V V mV mV mV mV mA mA mA uV dB V Output voltage Vo 14V≤V l≤27V, Io=1mA-40mA Io=1mA-70mA 0-125℃ 25℃ 25℃ 25℃ 25℃ 25℃ 0-125℃ 0-125℃ 25℃ 0-125℃ 25℃ Load Regulation Line regulation Quiescent Current Quiescent Current Change Output Noise VoItage Ripple Rejection Dropout Voltage TYPICAL APPLICATION △Vo △Vo Iq △Iq △Iq VN RR Vd vi Io=1mA-100mA Io=1mA-40mA 14.5V≤V l≤27V 16V≤V l≤27V 16V≤V l≤27V 1mA≤IO≤40mA 10Hz≤f≤100KHz 15V≤V l≤25V,f=120Hz 70 37 42 1.7 2 LM78L12 Ci 3 1 Vo C0 0.1μF 0.33μF 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