參數(shù)資料
型號： UA78L08ACPKR
元件分類： 基準電壓源/電流源
英文描述： THREE-TERMINAL POSITIVE FIXED VOLTAGE REGULATORS
中文描述： 三端固定電壓調(diào)節(jié)器
文件頁數(shù)： 4/10頁
文件大?。?/td> 152K
代理商： UA78L08ACPKR
μ
A78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010N
–
JANUARY 1976
–
REVISED NOVEMBER 2001
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= 9 V, I
O
= 40 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
μ
A78L02AC
MIN
2.5
UNIT
TYP
2.6
MAX
2.7
VI = 4.75 V to 20 V,
4 75 V to 20 V
IO = 1 mA to 40 mA
25
°
C
Output voltage
0
°
C to 125
°
C
0
°
C to 125
°
C
2.45
2.75
V
IO = 1 mA to 70 mA
VI = 4.75 V to 20 V
VI = 5 V to 20 V
VI = 6 V to 20 V,
IO = 1 mA to 100 mA
IO = 1 mA to 40 mA
f = 10 Hz to 100 kHz
2.45
2.75
Input voltage regulation
25
°
C
20
100
mV
16
75
Ripple rejection
f = 120 Hz
25
°
C
43
51
dB
Output voltage regulation
25
°
C
12
50
mV
6
25
Output noise voltage
25
°
C
25
°
C
25
°
C
125
°
C
30
μ
V
V
Dropout voltage
1.7
Bias current
3.6
6
mA
5.5
Bias current change
VI = 5 V to 20 V
IO = 1 mA to 40 mA
0
°
C to 125
°
C
2.5
mA
0.1
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output.
electrical characteristics at specified virtual junction temperature, V
I
= 10 V, I
O
= 40 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TJ
μ
A78L05C
μ
A78L05AC
μ
A78L05AI
UNIT
MIN
4.6
TYP
MAX
5.4
MIN
4.8
TYP
MAX
5.2
VI = 7 V to 20 V,
IO = 1 mA to 40 mA
25
°
C
5
5
Output voltage
Full range
4.5
5.5
4.75
5.25
V
IO = 1 mA to 70 mA
VI = 7 V to 20 V
VI = 8 V to 20 V
VI = 8 V to 18 V,
IO = 1 mA to 100 mA
IO = 1 mA to 40 mA
Full range
4.5
5.5
4.75
5.25
Input
voltage regulation
25
°
C
32
200
32
150
mV
26
150
26
100
Ripple rejection
f = 120 Hz
25
°
C
40
49
41
49
dB
Output
voltage regulation
25
°
C
15
60
15
60
mV
8
30
8
30
Output
noise voltage
f = 10 Hz to 100 kHz
25
°
C
42
42
μ
V
Dropout voltage
25
°
C
25
°
C
125
°
C
1.7
1.7
V
Bias current
3.8
6
3.8
6
mA
5.5
5.5
Bias
current change
VI = 8 V to 20 V
IO = 1 mA to 40 mA
Full range
1.5
0.2
1.5
0.1
mA
Pulse-testing techniques maintain TJ as close to TA as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 0.33-
μ
F capacitor across the input and a 0.1-
μ
F capacitor across the output. Full range for the
μ
A78L05AC is TJ = 0
°
C to 125
°
C
and full range for the
μ
A78L05AI is TJ =
–
40
°
C to 125
°
C.
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