JIANGSU CHANGJIANG ELECTRONICS TECHNOLOGY CO., LTD TO-220 Encapsulate Three-terminal Voltage Regulator CJ7812 Three-terminal positive voltage regulator TO—220 FEATURES Maximum Output current IOM : 1 1.IN A Output voltage Vo : 12 2.GND V 123 3.OUT ABSOLUTE MAXIMUM RATINGS（Operating temperature range applies unless otherwise specified） Parameter Symbol Value Unit Ｖ ｉ ４０ Ｖ TOPR ０－１２５ ℃ TSTG －５５－１５０ ℃ Input Voltage Operating Junction Temperature Range Storage Temperature Range ELECTRICAL CHARACTERISTICS(Vi=19V,Io=500mA,0℃<Tj<125℃,Ci=0.33μF,Co=0.1μF, unless otherwise specified ) Parameter Symbol Test conditions MIN TYP MAX UNIT １１．５ １２．０ １２．５ Ｖ １１．４ １２ １２．６ Ｖ Ｔｊ＝２５℃， Ｖｉ＝１４．５Ｖ ｔｏ ３０Ｖ １０ ２４０ ｍＶ Ｔｊ＝２５℃， Ｖｉ＝１６Ｖ ｔｏ ２２Ｖ ３ １２０ ｍＶ Ｔｊ＝２５℃， ＩＯ＝５．０ｍＡ ｔｏ １．５Ａ １１ ２４０ ｍＶ Ｔｊ＝２５℃， ＩＯ＝２５０ｍＡ ｔｏ ７５０ｍＡ ５．０ １２０ ｍＶ Ｔｊ＝２５℃ ５．１ ８ ｍＡ ＩＯ＝５．０ｍＡ ｔｏ １．０Ａ ０．５ ｍＡ Ｖｉ＝１４．５Ｖ ｔｏ ３０Ｖ １．０ ｍＡ ７６ μＶ ５５ ７１ ｄＢ Ｔｊ＝２５℃ Ｖｏ Output voltage ５．０ｍＡ<Ｉｏ<１．０Ａ， Ｐｏ<１５Ｗ Ｖｉ＝１４．５Ｖ ｔｏ ２７Ｖ Load Regulation △Ｖｏ Line regulation △Ｖｏ Quiescent Current Ｉｑ Quiescent Current Change △Ｉｑ Output Noise VoItage ＶＮ ｆ ＝１０Ｈｚ ｔｏ １００ＫＨｚ，Ｔａ＝２５℃ Ripple Rejection ＲＲ ｆ ＝１２０Ｈｚ， Ｖｉ＝１５Ｖ ｔｏ ２５Ｖ Dropout Voltage Ｖｄ ＩＯ＝１．０Ａ，Ｔｊ＝２５℃ ２ Ｖ Output resistance ＲＯ ｆ ＝ １ＫＨｚ １８ ｍΩ Short Circuit Current Ｉｓｃ Ｖｉ＝３５Ｖ， Ｔａ＝２５℃ ２３０ ｍＡ Peak Current Ｉｐｋ Ｔｊ＝２５℃ ２．２ Ａ TYPICAL APPLICATION vi 1 3 Vo ＣＪ７８１２ UTC Ｃｉ ２ Ｃｏ ０．３３μＦ ０．１μＦ TO-220-3L PACKAGE OUTLINE DIMENSIONS A D C1 E E1 F φ L1 b1 A1 L b e C e1 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 4.470 4.670 1.176 0.184 A1 2.520 2.820 0.099 0.111 b 0.710 0.910 0.028 0.036 b1 1.170 1.370 0.046 0.054 c 0.310 0.530 0.012 0.021 c1 1.710 1.370 0.046 0.054 D 10.010 10.310 0.394 0.406 E 8.500 8.900 0.335 0.350 E1 12.060 12.460 0.475 e 0.491 0.100TYP 2.540TYP e1 4.980 5.180 0.196 0.204 F 2.590 2.890 0.102 0.114 L 13.400 13.800 0.528 0.543 L1 3.560 3.960 0.140 0.156 φ 3.790 3.890 0.149 0.153