JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-220F Plastic-Encapsulate Voltage Regulators CJ7812F Three-terminal positive voltage regulator TO-220F FEATURES z z z Maximum output current IOM:1.5 A Output voltage VO: 12 V Continuous total dissipation PD: 1.5W (Ta= 25 ℃ ) 1.IN 2.GND 3.OUT 1 2 3 ABSOLUTE MAXIMUM RATINGS (Operating temperature range applies unless otherwise specified) Symbol Parameter Input Voltage Valu Unit 35 Vi V Thermal Resistance from Junction to Ambient RθJA 66.7 ℃/W Operating Junction Temperature Range TOPR -25~+125 ℃ Storage Temperature Range TSTG -65~+150 ℃ ELECTRICALCHARACTERISTICS AT SPECIFIED VIRTUAL JINCTION TEMPERATURE (Vi=19V, Io=500mA, Ci=0.33μF, Co=0.1μF, unless otherwise specified ) Parameter Output Voltage Symbol Vo Test conditions Io= 5mA-1A, 14.5V≤ Vi ≤27V Load Regulation ∆Vo Line Regulation ∆Vo Quiescent Current Iq Quiescent Current Change Output Voltage Drift ∆Iq △Vo/△T Min Typ Max Unit 25℃ 11.5 12.0 12.5 V -25-125℃ 11.4 12.0 12.6 V 14.5V≤ Vi ≤30V 25℃ 10 240 mV 16V≤Vi≤22V 25℃ 3 120 mV IO=5mA -1.5A 25℃ 12 240 mV IO=250mA - 750mA 25℃ 4 120 mV 25℃ 4.3 5.0mA≤ IO ≤1.0A -25-125℃ 14.5V ≤Vi≤ 30V -25-125℃ -25-125℃ IO=5mA Output Noise Voltage VN f =10Hz to 100KHz Ripple Rejection RR f =120Hz, 15V≤ Vi ≤25V Dropout Voltage Vd IO=1.0A 25℃ -25-125℃ 25℃ 55 8 mA 0.5 mA 1.0 -1 mA mV/℃ 75 μV/Vo 71 2 dB V Output Resistance RO -25-125℃ 18 mΩ Short Circuit Current Isc 25℃ 350 mA Peak Current Ipk 25℃ 2.2 A f = 1KHz * Pulse test. TYPICAL APPLICATION Vi 1 3 Vo CJ7812F Ci 2 Co 0.33μF 0.1μF 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 G,Jun,2016 Typical Characteristics Dropout Characteristics Output Characteristics 14 16 Tj=25℃ IO=0mA Tj=25℃ 12 8 6 4 I O =0 m 10 A VO (V) 12 OUTPUT VOLTAGE OUTPUT VOLTAGE VO (V) 14 10 IO=250mA、500mA、750mA、1A、1.5A 8 2 0 6 0 5 10 15 20 INPUT VOLTAGE VIN 25 30 35 9 10 11 12 13 INPUT VOLTAGE (V) Quiescent Current vs Input Voltage 14 VIN 15 16 Current Cut-off Grid Voltage 6 15 VIN=19V IO=0mA Tj=25℃ 12 OUTPUT VOLTAGE 4 (V) Pulsed 13 VO (mA) IQ 14 Tj=25℃ 5 QUIESCENT CURRENT 17 (V) 3 2 11 10 9 8 1 7 0 0 5 10 15 20 INPUT VOLTAGE VIN 25 30 6 0.0 35 0.5 1.0 1.5 OUTPUT CURRENT (V) Output Voltage vs Junction Temperature 2.0 IO 2.5 (A) Power Derating Curve 15 2.00 Vin=19V 1.75 IO=5mA 12 11 10 9 8 -25 1.25 1.00 0.75 0.50 0.25 0 25 50 JUNCTION TEMPERATURE www.cj-elec.com 1.50 PD 13 POWER DISSIPATION OUTPUT VOLTAGE VO (V) (W) 14 75 TJ 100 0.00 -25 125 (℃ ) 0 25 50 JUNCTION TEMPERATURE 2 75 TJ 100 125 (℃ ) G,Jun,2016 TO-220F Package Outline Dimensions Symbol A A1 A2 A3 b b1 b2 c D E e F Ф h h1 h2 L L1 L2 www.cj-elec.com Dimensions In Millimeters Min. Max. 4.300 4.700 1.300 REF. 2.800 3.200 2.500 2.900 0.500 0.750 1.100 1.350 1.500 1.750 0.500 0.750 9.960 10.360 14.800 15.200 2.540 TYP. 2.700 REF. 3.500 REF. 0.000 0.300 0.800 REF. 0.500 REF. 28.000 28.400 1.700 1.900 0.900 1.100 3 Dimensions In Inches Min. Max. 0.169 0.185 0.051 REF. 0.110 0.126 0.098 0.114 0.020 0.030 0.043 0.053 0.059 0.069 0.020 0.030 0.392 0.408 0.583 0.598 0.100 TYP. 0.106 REF. 0.138 REF. 0.000 0.012 0.031 REF. 0.020 REF. 1.102 1.118 0.067 0.075 0.035 0.043 G,Jun,2016