JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-252-2L/TO-251 Plastic-Encapsulate Voltage Regulator TO-251 TO-252-2L CJ7812 Three-terminal positive voltage regulator FEATURES Maximum Output current IOM: 1.5 A Output voltage Vo: 12 V Continuous total dissipation PD: 1.25 W 1. IN 2. GND 3. OUT ABSOLUTE MAXIMUM RATINGS(Operating temperature range applies unless otherwise specified) Parameter Symbol Input Voltage Operating Junction Temperature Range Storage Temperature Range \ELECTRICAL Value Unit Vi 40 V TOPR 0-150 ℃ TSTG -65-150 ℃ CHARACTERISTICS(Vi=19V,Io=500mA,0℃<TJ<125℃,Ci=0.33μF,Co=0.1μF, Parameter Symbol Test conditions MIN TYP MAX UNIT 11.5 12.0 12.5 V 11.4 12 12.6 V TJ=25℃, 14.5V≤ Vi ≤30V 10 240 mV TJ=25℃, 16V≤Vi≤22V 3 120 mV TJ=25℃, IO=5.0mA - 1.5A 11 240 mV TJ=25℃, IO=250mA - 750mA 5.0 120 mV TJ=25℃ 5.1 8 mA 0.5 mA TJ=25℃ Vo Output voltage Io= 5.0mA-1.0A, P<15W 14.5V≤ Vi ≤27V Load Regulation ∆Vo Line regulation ∆Vo Iq Quiescent Current 5.0mA≤ IO ≤1.0A ∆Iq Quiescent Current Change 14.5V ≤Vi≤ 30V 1.0 Output Noise VoItage VN f =10Hz to 100KHz,TJ=25℃ Ripple Rejection RR f =120Hz, 15V≤ Vi ≤25V Dropout Voltage Vd IO=1.0A,TJ=25℃ Output resistance RO Short Circuit Current Isc Peak Current Ipk TYPICAL APPLICATION Vi μV 71 dB 2 V f = 1KHz 18 mΩ Vi=35V, TJ=25℃ 350 mA TJ=25℃ 2.2 A 3 UTC CJ7812 0.33μF mA 76 1 Ci unless otherwise specified ) 2 Co 0.1μF 55 Vo Typical Characteristics CJ7812