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1、MC78XX/LM78XX/MC78XXA3-Terminal 1A Positive Voltage RegulatorFeatures Output Current up to 1A Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V Thermal Overload Protection Short Circuit Protection Output Transistor Safe Operating Area ProtectionDescriptionThe MC78XX/LM78XX/MC78
2、XXA series of three terminal positive regulators are available in theTO-220/D-PAK package and with several fixed output voltages, making them useful in a wide range of applications. Each type employs internal current limiting, thermal shut down and safe operating area protection, making it essential
3、ly indestructible. If adequate heat sinking is provided, they can deliverover 1A output current. Although designed primarily as fixed voltage regulators, these devices can be used with external components to obtain adjustable voltages and currents.TO-2201D-PAK11. Input 2. GND 3. OutputInternal Block
4、 Digram2001 Fairchild Semiconductor CorporationRev. 1.0.1MC78XX/LM78XX/MC78XXAAbsolute Maximum RatingsParameterSymbolValueUnitInput Voltage (for VO = 5V to 18V) (for VO = 24V)VI VI3540V VThermal Resistance Junction-Cases (TO-220)RqJC5oC/WThermal Resistance Junction-Air (TO-220)RqJA65oC/WOperating Te
5、mperature RangeTOPR0 +125oCStorage Temperature RangeTSTG-65 +150oCElectrical Characteristics (MC7805/LM7805)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI = 10V, CI= 0.33mF, CO= 0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7805/LM7805UnitMin.Typ.Max.Output VoltageVOTJ =+25 oC4.85
6、.05.2V5.0mA Io 1.0A, PO 15W VI = 7V to 20V4.755.05.25Line Regulation (Note1)ReglineTJ=+25 oCVO = 7V to 25V-4.0100mVVI = 8V to 12V-1.650Load Regulation (Note1)RegloadTJ=+25 oCIO = 5.0mA to1.5A-9100mVIO =250mA to 750mA-450Quiescent CurrentIQTJ =+25 oC-5.08.0mAQuiescent Current ChangeDIQIO = 5mA to 1.0
7、A-0.030.5mAVI= 7V to 25V-0.31.3Output Voltage DriftDVO/DTIO= 5mA-0.8-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz, TA=+25 oC-42-mV/VoRipple RejectionRRf = 120HzVO = 8V to 18V6273-dBDropout VoltageVDropIO = 1A, TJ =+25 oC-2-VOutput ResistancerOf = 1KHz-15-mWShort Circuit CurrentISCVI = 35V, TA =+25
8、 oC-230-mAPeak CurrentIPKTJ =+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Changes in Vo due to heating effects must be taken into account separately. Pulse testing with low duty is used.3Electrical Characteristics (MC7806)(Refer to test circuit ,0C TJ
9、125C, IO = 500mA, VI =11V, CI= 0.33mF, CO= 0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7806UnitMin.Typ.Max.Output VoltageVOTJ =+25 oC5.756.06.25V5.0mA IO 1.0A, PO 15W VI = 8.0V to 21V5.76.06.3Line Regulation (Note1)ReglineTJ =+25 oCVI = 8V to 25V-5120mVVI = 9V to 13V-1.560Load Regul
10、ation (Note1)RegloadTJ =+25 oCIO =5mA to 1.5A-9120mVIO =250mA to750A-360Quiescent CurrentIQTJ =+25 oC-5.08.0mAQuiescent Current ChangeDIQIO = 5mA to 1A-0.5mAVI = 8V to 25V-1.3Output Voltage DriftDVO/DTIO = 5mA-0.8-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz, TA =+25 oC-45-mV/VoRipple RejectionRRf
11、 = 120HzVI = 9V to 19V5975-dBDropout VoltageVDropIO = 1A, TJ =+25 oC-2-VOutput ResistancerOf = 1KHz-19-mWShort Circuit CurrentISCVI= 35V, TA=+25 oC-250-mAPeak CurrentIPKTJ =+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effec
12、ts must be taken into account separately. Pulse testing with low duty is used.MC78XX/LM78XX/MC78XXAElectrical Characteristics (MC7808)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =14V, CI= 0.33mF, CO= 0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7808UnitMin.Typ.Max.Output Volta
13、geVOTJ =+25 oC7.78.08.3V5.0mA IO 1.0A, PO 15W VI = 10.5V to 23V7.68.08.4Line Regulation (Note1)ReglineTJ =+25 oCVI = 10.5V to 25V-5.0160mVVI = 11.5V to 17V-2.080Load Regulation (Note1)RegloadTJ =+25 oCIO = 5.0mA to 1.5A-10160mVIO= 250mA to 750mA-5.080Quiescent CurrentIQTJ =+25 oC-5.08.0mAQuiescent C
14、urrent ChangeDIQIO = 5mA to 1.0A-0.050.5mAVI = 10.5A to 25V-0.51.0Output Voltage DriftDVO/DTIO = 5mA-0.8-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz, TA =+25 oC-52-mV/VoRipple RejectionRRf = 120Hz, VI= 11.5V to 21.5V5673-dBDropout VoltageVDropIO = 1A, TJ=+25 oC-2-VOutput ResistancerOf = 1KHz-17-m
15、WShort Circuit CurrentISCVI= 35V, TA =+25 oC-230-mAPeak CurrentIPKTJ =+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.5Electrical Characteristi
16、cs (MC7809)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =15V, CI= 0.33mF, CO= 0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7809UnitMin.Typ.Max.Output VoltageVOTJ =+25C8.6599.35V5.0mA IO 1.0A, PO 15W VI= 11.5V to 24V8.699.4Line Regulation (Note1)ReglineTJ=+25CVI = 11.5V to 25V-6
17、180mVVI = 12V to 17V-290Load Regulation (Note1)RegloadTJ=+25CIO = 5mA to 1.5A-12180mVIO = 250mA to 750mA-490Quiescent CurrentIQTJ=+25C-5.08.0mAQuiescent Current ChangeDIQIO = 5mA to 1.0A-0.5mAVI = 11.5V to 26V-1.3Output Voltage DriftDVO/DTIO = 5mA-1-mV/ COutput Noise VoltageVNf = 10Hz to 100KHz, TA
18、=+25 C-58-mV/VoRipple RejectionRRf = 120HzVI = 13V to 23V5671-dBDropout VoltageVDropIO = 1A, TJ=+25C-2-VOutput ResistancerOf = 1KHz-17-mWShort Circuit CurrentISCVI= 35V, TA =+25C-250-mAPeak CurrentIPKTJ= +25C-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Chang
19、es in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.Electrical Characteristics (MC7810)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =16V, CI= 0.33mF, CO=0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7810UnitMin.Typ.Max.Outpu
20、t VoltageVOTJ =+25 C9.61010.4V5.0mA IO1.0A, PO 15W VI = 12.5V to 25V9.51010.5Line Regulation (Note1)ReglineTJ =+25CVI = 12.5V to 25V-10200mVVI = 13V to 25V-3100Load Regulation (Note1)RegloadTJ =+25CIO = 5mA to 1.5A-12200mVIO = 250mA to 750mA-4400Quiescent CurrentIQTJ =+25C-5.18.0mAQuiescent Current
21、ChangeDIQIO = 5mA to 1.0A-0.5mAVI = 12.5V to 29V-1.0Output Voltage DriftDVO/DTIO = 5mA-1-mV/COutput Noise VoltageVNf = 10Hz to 100KHz, TA =+25 C-58-mV/VoRipple RejectionRRf = 120HzVI = 13V to 23V5671-dBDropout VoltageVDropIO = 1A, TJ=+25 C-2-VOutput ResistancerOf = 1KHz-17-mWShort Circuit CurrentISC
22、VI = 35V, TA=+25 C-250-mAPeak CurrentIPKTJ =+25 C-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.MC78XX/LM78XX/MC78XXAElectrical Characteristics (MC7
23、812)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =19V, CI= 0.33mF, CO=0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7812UnitMin.Typ.Max.Output VoltageVOTJ =+25 oC11.51212.5V5.0mA IO1.0A, PO15W VI = 14.5V to 27V11.41212.6Line Regulation (Note1)ReglineTJ =+25 oCVI = 14.5V to 30V-1
24、0240mVVI = 16V to 22V-3.0120Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-11240mVIO = 250mA to 750mA-5.0120Quiescent CurrentIQTJ =+25 oC-5.18.0mAQuiescent Current ChangeDIQIO = 5mA to 1.0A-0.10.5mAVI = 14.5V to 30V-0.51.0Output Voltage DriftDVO/DTIO = 5mA-1-mV/ oCOutput Noise VoltageVNf =
25、 10Hz to 100KHz, TA =+25 oC-76-mV/VoRipple RejectionRRf = 120HzVI = 15V to 25V5571-dBDropout VoltageVDropIO = 1A, TJ=+25 oC-2-VOutput ResistancerOf = 1KHz-18-mWShort Circuit CurrentISCVI = 35V, TA=+25 oC-230-mAPeak CurrentIPKTJ = +25 oC-2.2-ANote:1. Load and line regulation are specified at constant
26、 junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.9Electrical Characteristics (MC7815)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =23V, CI= 0.33mF, CO=0.1mF, unless otherwise specified)ParameterSymbolConditio
27、nsMC7815UnitMin.Typ.Max.Output VoltageVOTJ =+25 oC14.41515.6V5.0mA IO 1.0A, PO 15W VI = 17.5V to 30V14.251515.75Line Regulation (Note1)ReglineTJ =+25 oCVI = 17.5V to 30V-11300mVVI = 20V to 26V-3150Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-12300mVIO = 250mA to 750mA-4150Quiescent Curre
28、ntIQTJ =+25 oC-5.28.0mAQuiescent Current ChangeDIQIO = 5mA to 1.0A-0.5mAVI = 17.5V to 30V-1.0Output Voltage DriftDVO/DTIO = 5mA-1-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz, TA =+25 oC-90-mV/VoRipple RejectionRRf = 120HzVI = 18.5V to 28.5V5470-dBDropout VoltageVDropIO = 1A, TJ=+25 oC-2-VOutput R
29、esistancerOf = 1KHz-19-mWShort Circuit CurrentISCVI = 35V, TA=+25 oC-250-mAPeak CurrentIPKTJ =+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.E
30、lectrical Characteristics (MC7818)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =27V, CI= 0.33mF, CO=0.1mF, unless otherwise specified)ParameterSymbolConditionsMC7818UnitMin.Typ.Max.Output VoltageVOTJ =+25 oC17.31818.7V5.0mA IO 1.0A, PO 15W VI = 21V to 33V17.11818.9Line Regulation (Note1)Reglin
31、eTJ =+25 oCVI = 21V to 33V-15360mVVI = 24V to 30V-5180Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-15360mVIO = 250mA to 750mA-5.0180Quiescent CurrentIQTJ =+25 oC-5.28.0mAQuiescent Current ChangeDIQIO = 5mA to 1.0A-0.5mAVI = 21V to 33V-1Output Voltage DriftDVO/DTIO = 5mA-1-mV/ oCOutput No
32、ise VoltageVNf = 10Hz to 100KHz, TA =+25 oC-110-mV/VoRipple RejectionRRf = 120HzVI = 22V to 32V5369-dBDropout VoltageVDropIO = 1A, TJ=+25 oC-2-VOutput ResistancerOf = 1KHz-22-mWShort Circuit CurrentISCVI = 35V, TA=+25 oC-250-mAPeak CurrentIPKTJ =+25 oC-2.2-ANote:1. Load and line regulation are speci
33、fied at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.MC78XX/LM78XX/MC78XXAElectrical Characteristics (MC7824)(Refer to test circuit ,0C TJ 125C, IO = 500mA, VI =33V, CI= 0.33mF, CO=0.1mF, unless otherwi
34、se specified)ParameterSymbolConditionsMC7824UnitMin.Typ.Max.Output VoltageVOTJ =+25 oC232425V5.0mA IO 1.0A, PO 15W VI = 27V to 38V22.82425.25Line Regulation (Note1)ReglineTJ =+25 oCVI = 27V to 38V-17480mVVI = 30V to 36V-6240Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-15480mVIO = 250mA t
35、o 750mA-5.0240Quiescent CurrentIQTJ =+25 oC-5.28.0mAQuiescent Current ChangeDIQIO = 5mA to 1.0A-0.10.5mAVI = 27V to 38V-0.51Output Voltage DriftDVO/DTIO = 5mA-1.5-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz, TA =+25 oC-60-mV/VoRipple RejectionRRf = 120HzVI = 28V to 38V5067-dBDropout VoltageVDropI
36、O = 1A, TJ=+25 oC-2-VOutput ResistancerOf = 1KHz-28-mWShort Circuit CurrentISCVI = 35V, TA=+25 oC-230-mAPeak CurrentIPKTJ =+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account separately. Pulse te
37、sting with low duty is used.10MC78XX/LM78XX/MC78XXAElectrical Characteristics (MC7805A)(Refer to the test circuits. 0C TJ 125C, Io =1A, V I = 10V, C I=0.33mF, C O=0.1mF, unless otherwise specified)ParameterSymbolConditionsMin.Typ.Max.UnitOutput VoltageVOTJ =+25 oC4.955.1VIO = 5mA to 1A, PO 15W VI =
38、7.5V to 20V4.855.2Line Regulation (Note1)ReglineVI = 7.5V to 25V IO = 500mA-550mVVI = 8V to 12V-350TJ =+25 oCVI= 7.3V to 20V-550VI= 8V to 12V-1.525Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-9100mVIO = 5mA to 1A-9100IO = 250mA to 750mA-450Quiescent CurrentIQTJ =+25 oC-5.06mAQuiescent Cu
39、rrent ChangeDIQIO = 5mA to 1A-0.5mAVI = 8 V to 25V, IO = 500mA-0.8VI = 7.5V to 20V, TJ =+25 oC-0.8Output Voltage DriftDV/DTIo = 5mA-0.8-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz TA =+25 oC-10-mV/VoRipple RejectionRRf = 120Hz, IO = 500mA VI = 8V to 18V-68-dBDropout VoltageVDropIO = 1A, TJ =+25 o
40、C-2-VOutput ResistancerOf = 1KHz-17-mWShort Circuit CurrentISCVI= 35V, TA =+25 oC-250-mAPeak CurrentIPKTJ= +25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low du
41、ty is used.15Electrical Characteristics (MC7806A)(Refer to the test circuits. 0C TJ 125C, Io =1A, V I =11V, C I=0.33mF, C O=0.1mF, unless otherwise specified)ParameterSymbolConditionsMin.Typ.Max.UnitOutput VoltageVOTJ =+25 oC5.5866.12VIO = 5mA to 1A, PO 15W VI = 8.6V to 21V5.7666.24Line Regulation (
42、Note1)ReglineVI= 8.6V to 25V IO = 500mA-560mVVI= 9V to 13V-360TJ =+25 oCVI= 8.3V to 21V-560VI= 9V to 13V-1.530Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-9100mVIO = 5mA to 1A-4100IO = 250mA to 750mA-5.050Quiescent CurrentIQTJ =+25 oC-4.36mAQuiescent Current ChangeDIQIO = 5mA to 1A-0.5mA
43、VI = 9V to 25V, IO = 500mA-0.8VI= 8.5V to 21V, TJ =+25 oC-0.8Output Voltage DriftDV/DTIO = 5mA-0.8-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz TA =+25 oC-10-mV/VoRipple RejectionRRf = 120Hz, IO = 500mA VI = 9V to 19V-65-dBDropout VoltageVDropIO = 1A, TJ =+25 oC-2-VOutput ResistancerOf = 1KHz-17-m
44、WShort Circuit CurrentISCVI= 35V, TA =+25 oC-250-mAPeak CurrentIPKTJ=+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.Electrical Characteristics
45、(MC7808A)(Refer to the test circuits. 0C TJ 125C, Io =1A, V I = 14V, C I=0.33mF, C O=0.1mF, unless otherwise specified)ParameterSymbolConditionsMin.Typ.Max.UnitOutput VoltageVOTJ =+25 oC7.8488.16VIO = 5mA to 1A, PO 15W VI = 10.6V to 23V7.788.3Line Regulation (Note1)ReglineVI= 10.6V to 25V IO = 500mA
46、-680mVVI= 11V to 17V-380TJ =+25 oCVI= 10.4V to 23V-680VI= 11V to 17V-240Load Regulation (Note1)RegloadTJ =+25 oCIO = 5mA to 1.5A-12100mVIO = 5mA to 1A-12100IO = 250mA to 750mA-550Quiescent CurrentIQTJ =+25 oC-5.06mAQuiescent Current ChangeDIQIO = 5mA to 1A-0.5mAVI = 11V to 25V, IO = 500mA-0.8VI= 10.
47、6V to 23V, TJ =+25 oC-0.8Output Voltage DriftDV/DTIO = 5mA-0.8-mV/ oCOutput Noise VoltageVNf = 10Hz to 100KHz TA =+25 oC-10-mV/VoRipple RejectionRRf = 120Hz, IO = 500mA VI = 11.5V to 21.5V-62-dBDropout VoltageVDropIO = 1A, TJ =+25 oC-2-VOutput ResistancerOf = 1KHz-18-mWShort Circuit CurrentISCVI= 35V, TA =+25 oC-250-mAPeak CurrentIPKTJ=+25 oC-2.2-ANote:1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken into account separately. Pulse testing with low duty is used.Elec
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