
μ
A78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010N
–
JANUARY 1976
–
REVISED NOVEMBER 2001
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics at specified virtual junction temperature, V
I
= 19 V, I
O
= 40 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A78L12C
MIN
11.1
μ
A78L12AC
MIN
11.5
UNIT
TJ
TYP
12
MAX
12.9
TYP
12
MAX
12.5
VI = 14 V to 27 V,
IO = 1 mA to 40 mA
25
°
C
Output voltage
0
°
C to 125
°
C
0
°
C to 125
°
C
10.8
13.2
11.4
12.6
V
IO = 1 mA to 70 mA
VI = 14.5 V to 27 V
VI = 16 V to 27 V
VI = 15 V to 25 V,
IO = 1 mA to 100 mA
IO = 1 mA to 40 mA
10.8
13.2
11.4
12.6
Input
voltage regulation
25
°
C
55
250
55
250
mV
49
200
49
200
Ripple rejection
f = 120 Hz
25
°
C
36
42
37
42
dB
Output
voltage regulation
25
°
C
22
100
22
100
mV
13
50
13
50
Output
noise voltage
f = 10 Hz to 100 kHz
25
°
C
70
70
μ
V
Dropout voltage
25
°
C
25
°
C
125
°
C
1.7
1.7
V
Bias current
4.3
6.5
4.3
6.5
mA
6
6
Bias
current change
VI = 16 V to 27 V
IO = 1 mA to 40 mA
0
°
C to 125
°
C
1.5
1.5
mA
0.2
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
= 23 V, I
O
= 40 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
μ
A78L15C
MIN
13.8
μ
A78L15AC
MIN
14.4
UNIT
TJ
TYP
15
MAX
16.2
TYP
15
MAX
15.6
VI = 17.5 V to 30 V,
17 5 V to 30 V
IO = 1 mA to 40 mA
25
°
C
Output
voltage
0
°
C to 125
°
C
0
°
C to 125
°
C
13.5
16.5
14.25
15.75
V
IO = 1 mA to 70 mA
13.5
16.5
14.25
15.75
Input
voltage
regulation
VI = 17.5 V to 30 V
25
°
C
65
300
65
300
mV
VI = 20 V to 30 V
58
250
58
250
Ripple
rejection
VI = 18.5 V to 28.5 V,
f = 120 Hz
25
°
C
33
39
34
39
dB
Output
voltage
regulation
IO = 1 mA to 100 mA
25
°
C
25
150
25
150
mV
IO = 1 mA to 40 mA
15
75
15
75
Output
noise voltage
f = 10 Hz to 100 kHz
25
°
C
82
82
μ
V
Dropout
voltage
25
°
C
1.7
1.7
V
Bias current
25
°
C
125
°
C
4.6
6.5
4.6
6.5
mA
6
6
Bias
current change
VI = 10 V to 30 V
IO = 1 mA to 40 mA
0
°
C to 125
°
C
1.5
1.5
mA
0.2
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.