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7805中文资料

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X78XXX7824??????

??????????????????

??????????????????23242522.8

24

176155.05.2

25.248024048024080.50.8

????VVmVmVmVmVmAmAmAmV/°CμVdBVm?mAA

??????????????0

??????????????????????

Tj=25°C

Vo5.0mA

Vi=27V to 38V

?VoTj=25°C,Vi=27V to 38V??????????

Tj=25°C,Vi=30V to 36V

?VoTj=25°C,Io=5.0mA to 1.5A??????????

Tj=25°C,Io=250mA to 750mA

IQTj=25°C????????

Io=5mA to 1.0A?IQ??????????????

Vi=27V to 38V

?Vo/?TIo=5mA????????????

VNf=10Hz to 100kHz,Ta=25°C????????????

RRf=120Hz, Vi=28V to 38V??????????

VoIo=1.0A,Tj=25°C??????????????

Rof=1kHz????????

IscVi=35V,Ta=25°C????????

IpkTj=25°C????????

50

1.5

160672282302.2

??????????

ViC10.33??F1X78XX23VoC00.1??FVi1X78XX23RLTIP31100??Vo270pF0.33??F30??s??1 ??????????????????????2 ??????????????????

Vi5.1??1X78XX23RLVo470??F0.33??F120Hz??3 ??????????????????

X78XX

6

2005.09.09 V1.2

www.x-jiazhi.com

X78XX

??????????

ViC10.33??F??????????????????

1X78XX23VoC00.1??FVi1X78XX2IQ3R1VoVxx0.33??F0.1??FIo=Vxx+IQR1RLIo??4 ????????????????

Vi??5 ????????????

VoVxxVi1X78XX2IQ3R11X78XX23Vo0.33??F0.1??F0.33??FQIR1>=5*I0.1??FR2X74110k??Vo=Vxx*(1+R2/R1)+ IQ*R2??6 ?????????????????? ??7 ??????????????

ViViQ1 BD536IQ1R130??VoIO0.1??F/ IscRsc=VBEQ2Io=IREG*(IREG-VBEQ1/R1)R1=VBEQ1/IREQ-IQ1*Q1R130??3Q2 TIP420.33??FRscQ1 BD536Vo1X78XX231IREGX78XX20.1??F0.33??F??8 ?????????????????? ??9 ??????????????????????

X78XX7

2005.09.09 V1.2

www.x-jiazhi.com

X78XX

Vi0.33??FGNDX741-VinTIP424.7k??-Vo??????????????????

1X78XX234.7k??Vo20V1X78XX23+15V0.1??FGND0.33??F2.2??F20.1??F????F1N40011N40011X7915-20V3-15V??10 ???????????????? ??11 ??????????(±15V,1A)

VoViD45H114.7??470??1mHVo20.1??F310??F1X78XX1Z10.5??X78XX232000??F??12 ?????????????????? ??13 ????????????

X78XX

8

2005.09.09 V1.2

www.x-jiazhi.com

X78XX

??????????????????

??????????????

??14 ????????????????????????????????15 ??????????????????????????????6.001.01Vi=10V5.75Vo=5VVi-Vo=5VIo=5mAIo=5mA)5.501.00mA()V(??5.25??????????5.00????0.994.750.98-50

-25

0

25

50

75

100

125

-50

-25

0

25

50

75

100

125

????????(??????????(????16 ??????????????17 ??????????????????????????????3.07T??T??Vo=5V2.5??V6.5Io=10mA2.06.

)(A)A??m??1.5(5.5????????1.0????50.54.50

4

0

5

10

15

20

25

30

35

0

5

10

15

20

25

30

35

?????????????????????? (V)X78XX

2005.09.09 V1.2

9

www.x-jiazhi.com

52=jVm01=o

X78XX

??????????TO-220??????????????????

UNIT: mmX78XX

10

2005.09.09 V1.2

www.x-jiazhi.com

X78XX

??????????????????

??????????

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??????????

05.06.30 05.09.09

V1.1V1.2

????????????”????????????????”????????????????”

11010

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X78XX

11

2005.09.09 V1.2

www.x-jiazhi.com

7805中文资料

X78XXX7824??????????????????????????????????????????23242522.824176155.05.225.248024048024080.50.8????VVmVmVmVmVmAmAmAmV/°CμVdBVm?mAA??????????????0
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