RoHS WEJ78L09 1. OUT 2. IN 3. GND 1. 02 FEATURES Maximum Output current IOM: 0.1 A 0. 95¡ À0. 025 Output voltage C 1. 9 Vo: 9 V Operating and storage junction temperature range TJ, Tstg: -55℃ to +150℃ IC O 2. 80¡ À0. 05 1. 60¡ À0. 05 2. 92¡ À0. 05 D T ,. L SOT-23-3L 0. 35 WEJ78L09 Three-terminal positive voltage regulator ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Input Voltage Vl Operating Junction Temperature Range TOPR Storage Temperature Range O TSTG Value N Unlts 30 V 0~+125 ℃ -55~+150 ℃ ELECTRICAL CHARACTERISTICS (VI=15V,Io=40mA,0℃<Tj<125℃,C1=0.33µF,Co=0.1µF, unless otherwise specified ) Parameter C E L Output voltage Vo ∆Vo Load Regulation Line regulation Quiescent Current R T Symbol Test conditions MIN TYP MAX UNIT Tj=25℃ 8.64 9.0 9.36 V 7V≤V l≤20V, Io=1mA~40mA 8.55 9.0 9.45 V 7V≤V l≤VMAX, Io=1mA~70mA 8.55 9.0 9.45 Tj=25℃, Io=1mA~100mA 19 90 mV Tj=25℃, Io=1mA~40mA 11 40 mV 12 V≤V l≤24V, Tj=25℃ 45 175 mV 13v≤V l≤24V, Tj=25℃ 40 125 mV 4.1 ∆Vo E 6.0 mA ∆Iq 8V≤V l≤20V 1.5 mA ∆Iq 1mA≤V l≤40mA 0.1 mA Output Noise VoItage VN 10Hz≤f≤100KHz Ripple Rejection RR Dropout Voltage Vd J E Quiescent Current Change W TYPICAL APPLICATION Iq V (note) vi 58 uV 15V≤V l≤25V,f=120Hz,Tj=25℃ 45 dB Tj=25℃ 1.7 V 3 1 Vo UTC78L09 C1 0.33µF 2 C0 0.1µF Note 1: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators WEJ ELECTRONIC CO. Http:// www.wej.cn E-mail:[email protected]