JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD SOT-89 Encapsulate Three-terminal Voltage Regulator SOT-89 CJ78L18 Three-terminal positive voltage regulator 1. OUT FEATURES 1 Maximum Output current IOM: 2. GND 2 0.1 A 3 Output voltage Vo: 3. IN 18 V ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified) Parameter Symbol Input Voltage Operating Junction Temperature Range Storage Temperature Range Value Unlts Vi 35 V TOPR 0—+125 ℃ TSTG -55—+150 ℃ ELECTRICAL CHARACTERISTICS (VI=26V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF, unless otherwise specified ) Parameter Symbol Output voltage Vo Load Regulation △Vo Line regulation △Vo Quiescent Current Iq △Iq △Iq VN RR Vd Quiescent Current Change Output Noise VoItage Ripple Rejection Dropout Voltage TYPICAL APPLICATION Vi MIN Test conditions TYP MAX UNIT Tj=25℃ 17.3 18 18.7 V 21V≤V l≤33V, Io=1mA-40mA 17.1 18 18.9 V 21V≤V l≤33V, Io=1mA-70mA 17.1 18 18.9 Tj=25℃, Io=1mA-100mA Tj=25℃, Io=1mA-40mA 27 19 180 90 V (note) mV mV 20.5V≤V l≤33V, Tj=25℃ 70 360 mV 22V≤V l≤33V, Tj=25℃ 60 300 mV 25℃ 21V≤V l≤33V 1mA≤IO≤40mA 10Hz≤f≤100KHz 23V≤V l≤33V,f=120Hz,Tj=25℃ Tj=25℃ 4.7 6.5 1.5 0.1 mA mA mA uV dB V 3 1 32 89 36 1.7 Vo UTC CJ78L18 2 Ci C0 0.33µF 0.1µF Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as Possible to the regulators.