JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-220F Plastic-Encapsulate Voltage Regulator CJ7912F TO-220F Three-terminal negative voltage regulator FEATURES Maximum Output Current 1. GND IOM: 1.5 A 2. IN Output voltage 3. OUT Vo : 12 V ABSOLUTE MAXIMUM RATINGSO ( perating temperature range applies unless otherwise specified) Parameter Input Voltage Operating Junction Temperature Range Storage Temperature Range Symbol Value Unit Vi -35 V TOPR 0-+125 ℃ TSTG -55-+150 ℃ ELECTRICAL CHARACTERISTICS (Vi=-19V, Io= 500mA, 0℃<TJ<125℃,Ci=2µF, Co=0.1µF, unless otherwise specified ) Parameter Symbol Test conditions Vo Output voltage Load Regulation ∆Vo Line regulation ∆Vo Quiescent Current Iq MIN TYP MAX UNIT TJ=25℃ -11.5 -12 -12.5 V -14.5V≤Vi≤-27V, Io=5mA-1A P≤15W -11.4 -12 -12.6 V TJ =25℃, Io=5mA-1.5A 15 200 mV TJ =25℃, Io=250mA-750mA 5 75 mV -14.5V≤V i≤-30V, TJ =25℃ 5 80 mV -16V≤V i≤-22V, TJ =25℃ 3 30 mV TJ =25℃ 2 3 mA ∆Iq -14.5V≤Vi≤-30V 0.5 mA Change ∆Iq 5mA≤IO≤1A 0.5 mA Output Noise Voltage VN 10Hz≤f≤100KHz Ripple Rejection RR -15V≤Vi≤-25V, f=120Hz, TJ =25℃ Dropout Voltage Vd Peak Current Ipk Quiescent Current TYPICAL APPLICATION 300 µV 60 dB TJ =25℃, Io=1A 1.1 V TJ =25℃ 2.1 A Vi 1 54 3 Vo CJ7912F UTC 2 Ci Co 2µF 1µF