CJ78M12

JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-251-3L Plastic-Encapsulate Regulators CJ78M12 Three-terminal positive voltage regulator FEATURES z z z TO-251-3L Maximum output current IOM: 0.5 A Output voltage VO: 12 V Continuous total dissipation PD: 1.25 W (Ta= 25 ℃ ) 1.IN 2.GND 1 3.OUT 2 3 ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Parameter Symbol Value Unit Vi 35 V RθJA 80 ℃/W Input Voltage Thermal Resistance from Junction to Ambient Operating Junction Temperature Range TOPR -25~+125 ℃ Storage Temperature Range TSTG -65~+150 ℃ ELECTRICAL CHARACTERISTICS (Vi=19V,Io=350mA, Ci=0.33μF,Co=0.1μF, unless otherwise specified ) Parameter Symbol Test conditions Min Typ Max Unit 11.5 12 12.5 V -25-125℃ 11.4 12 12.6 V 25℃ Output Voltage Vo 14.5≤Vi≤27V, Io=5mA-350mA Load Regulation ΔVo Line Regulation ΔVo Quiescent Current Io=5mA-500mA 25℃ 25 240 mV Io=5mA-200mA 25℃ 10 120 mV 14.5V≤Vi≤30V, Io=200mA 25℃ 10 100 mV 16V≤Vi≤30V, Io=200mA 25℃ 3 50 mV 25℃ 4.6 6 mA mA Iq Quiescent Current Change ΔIq 14.5V≤Vi≤30V, Io=200mA -25-125℃ 0.8 ΔIq 5mA≤IO≤350mA -25-125℃ 0.5 Output Noise Voltage VN 10Hz≤f≤100KHz Ripple Rejection RR 15≤Vi≤25V,f=120Hz,Io=300mA Dropout Voltage Vd Io=350mA Short Circuit Current Isc Vi=19V Peak Current Ipk mA 75 μV/Vo 80 dB 25℃ 2 V 25℃ 240 mA 25℃ 0.7 A 25℃ -25-125℃ 55 * Pulse test. TYPICAL APPLICATION Vi 1 Ci CJ78M12 3 Vo Co 2 0.1μF 0.33μF Note: Bypass capacitors are recommended for optimum stability and transient response and should be located as close as possible to the regulators. www.cj-elec.com 1 E,Jun,2016 Typical Characteristics Output Characteristics Dropout Characteristics 16 14 IO=0mA 12 (V) 12 10 VO 13 11 OUTPUT VOLTAGE (V) OUTPUT VOLTAGE VO TJ=25℃ TJ=25℃ 14 8 6 4 2 10 IO=0mA、50mA、200mA、350mA、500mA 9 8 7 0 6 0 6 12 18 INPUT VOLTAGE VIN 24 30 9 10 11 12 13 INPUT VOLTAGE (V) Quiescent Current vs Input Voltage 14 15 VIN 16 IO=0mA VIN=19V TJ=25℃ TJ=25℃ 14 Pulsed (V) 4 VO IQ (mA) 17 Current Cut-off Grid Voltage 5 3 OUTPUT VOLTAGE QUIESCENT CURRENT 16 (V) 2 1 12 10 8 6 4 2 0 0 0.0 1 1 5 10 15 20 INPUT VOLTAGE 25 VIN 30 35 0.2 0.4 0.6 OUTPUT CURRENT (V) Output Voltage vs Junction Temperature 0.8 IO 1.0 1.2 100 125 (A) Power Derating Curve 16 1.50 Vin=19V IO=5mA 1.25 PD 12 POWER DISSIPATION OUTPUT VOLTAGE VO (V) (W) 14 10 8 1.00 0.75 0.50 0.25 6 -25 0 25 50 JUNCTION TEMPERATURE www.cj-elec.com 75 TJ 100 0.00 -25 125 (℃ ) 0 25 50 JUNCTION TEMPERATURE 2 75 TJ (℃ ) E,Jun,2016 TO-251-3L Package Outline Dimensions Symbol A A1 B b b1 c c1 D D1 E e e1 L www.cj-elec.com Dimensions In Millimeters Max. Min. 2.200 2.400 1.050 1.350 1.350 1.650 0.500 0.700 0.700 0.900 0.430 0.580 0.430 0.580 6.350 6.650 5.200 5.400 5.400 5.700 2.300 TYP. 4.500 4.700 7.500 7.900 3 Dimensions In Inches Min. Max. 0.087 0.094 0.042 0.054 0.053 0.065 0.020 0.028 0.028 0.035 0.017 0.023 0.017 0.023 0.250 0.262 0.205 0.213 0.213 0.224 0.091 TYP. 0.177 0.185 0.295 0.311 E,Jun,2016