JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-220 Encapsulate Voltage Regulator CJ7918 TO-220 Three-terminal positive voltage regulator FEATURES Maximum Output current 1.5 IOM: 1 GND A 2. .IN Output voltage Vo: -18 V 3.OUT 123 ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified) Parameter Symbol Input Voltage Value Vi Unit -35 V Operating Junction Temperature Range TOPR -20-+125 ℃ Storage Temperature Range TSTG -55-+150 ℃ ELECTRICAL CHARACTERISTICS(Vi=-23V,Io=500mA,0℃<Tj<125℃,Ci=0.33µF,Co=0.1µF, unless otherwise specified ) Parameter Symbol Output voltage Test conditions Tj=25℃ -21V≤V i≤-33V, Io=5mA-1A Po< 15W Vo Load Regulation ∆Vo Line regulation ∆Vo Quiescent Current Iq MIN -17.3 TYP -18 MAX -18.7 UNIT V -17.1 -18 -18.9 V Tj=25℃, Io=5mA-1.5A 30 360 mV Tj=25℃, Io=250mA-750mA 10 180 mV -21V≤V I≤-33V, Tj=25℃ 30 360 mV -24V≤V i≤-30V, Tj=25℃ 10 180 mV Tj=25℃ -21V≤V i≤-33V 5mA≤I O≤1A 10Hz≤f≤100KHz 2 3 mA 1 0.5 450 60 mA mA µV dB Output Noise Voltage Ripple Rejection ∆Iq ∆Iq VN RR Dropout Voltage Vd Tj=25℃, Io=1A 1.1 V Peak Current Ipk Tj=25℃ 2.1 A Quiescent Current Change Vi TYPICAL APPLICATION 2 -22V≤V i≤-32V,f=120Hz,Tj=25℃ 1 3 Vo CJ7918 UTC Ci 2.2µF 1 Co 1µF 54