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LM7805CT データシート(PDF) 11 Page - Fairchild Semiconductor

部品番号 LM7805CT
部品情報  3-Terminal 1A Positive Voltage Regulator
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メーカー  FAIRCHILD [Fairchild Semiconductor]
ホームページ  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

LM7805CT データシート(HTML) 11 Page - Fairchild Semiconductor

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LM78XX/LM78XXA Rev. 1.0
Electrical Characteristics (LM7824) (Continued)
Refer to the test circuits. -40°C
< TJ < 125°C, IO = 500mA, VI = 33V, CI = 0.33µF, CO = 0.1µF, unless otherwise specified.
Notes:
17. 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.
18. These parameters, although guaranteed, are not 100% tested in production.
Symbol
Parameter
Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = +25°C
23.0
24.0
25.0
V
5mA
≤ IO ≤ 1A, PO ≤ 15W,
VI = 27V to 38V
22.8
24.0
25.25
Regline
Line Regulation(17)
TJ = +25°C VI = 27V to 38V
17.0
480
mV
VI = 30V to 36V
6.0
240
Regload Load Regulation(17)
TJ = +25°C IO = 5mA to 1.5A
15.0
480
mV
IO = 250mA to 750mA
5.0
240
IQ
Quiescent Current
TJ = +25°C
5.2
8.0
mA
∆IQ
Quiescent Current Change IO = 5mA to 1A
0.1
0.5
mA
VI = 27V to 38V
0.5
1.0
∆VO/∆T Output Voltage Drift(18)
IO = 5mA
-1.5
mV/°C
VN
Output Noise Voltage
f = 10Hz to 100kHz, TA = +25°C
60.0
µV/VO
RR
Ripple Rejection(18)
f = 120Hz, VI = 28V to 38V
50.0
67.0
dB
VDROP
Dropout Voltage
IO = 1A, TJ = +25°C
2.0
V
rO
Output Resistance(18)
f = 1kHz
28.0
m
ISC
Short Circuit Current
VI = 35V, TA = +25°C
230
mA
IPK
Peak Current(18)
TJ = +25°C
2.2
A


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