LM78LXXA 查看數據表（PDF） - Fairchild Semiconductor
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LM78LXXA Datasheet PDF : 14 Pages
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MC78LXXA/LM78LXXA/MC78L05AA
Electrical Characteristics(MC78L12A/LM78L12A) (Continued)
(VI = 19V, IO = 40mA, 0°C ≤ TJ ≤ 125°C, CI = 0.33 μF, CO = 0.1μF, unless otherwise specified. (Note1))
Parameter
Output Voltage
Line Regulation (Note1)
Load Regulation (Note1)
Symbol
VO
ΔVO
ΔVO
Output Voltage
VO
Quiescent Current
IQ
Quiescent Current With Line ΔIQ
Change
With Load ΔIQ
Output Noise Voltage
VN
Temperature Coefficient of VO ΔVO/ΔT
Ripple Rejection
RR
Dropout Voltage
VD
Conditions
TJ = 25°C
TJ = 25°C
14.5V ≤ VI ≤ 27V
16V ≤ VI ≤ 27V
TJ = 25°C
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
14.5V ≤ VI ≤ 27V 1mA ≤ IO ≤ 40mA
14.5V ≤ VI ≤
VMAX (Note2)
1mA ≤ IO ≤ 70mA
TJ = 25°C
16V ≤ VI ≤ 27V
1mA ≤ IO ≤ 40mA
TA = 25°C, 10Hz ≤ f ≤ 100kHz
IO = 5mA
f = 120Hz, 15V ≤ VI ≤ 25V, TJ = 25°C
TJ = 25°C
Min.
11.5
-
-
-
-
11.4
11.4
-
-
-
-
-
37
-
Typ.
12
20
15
20
10
-
-
2.1
-
-
80
-1.0
65
1.7
Max.
12.5
250
200
100
50
12.6
12.6
6.0
1.5
0.1
-
-
-
-
Unit
V
mV
mV
mV
mV
V
V
mA
mA
mA
μV/Vo
mV/°C
dB
V
Note:
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead length
of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation of tests.
2. Power dissipation PD ≤ 0.75W.
5
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