Datasheet

µA78L00 SERIES
POSITIVE-VOLTAGE REGULATORS
SLVS010S − JANUARY 1976 − REVISED FEBRUARY 2004
8
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
T
†
µA78L12C µA78L12AC
UNIT
PARAMETER TEST CONDITIONS
T
J
†
MIN TYP MAX MIN TYP MAX
UNIT
V 14Vt 27V
I 1At40A
25°C
11.1 12 12.9 11.5 12 12.5
Output voltage
V
I
= 14 V to 27 V, I
O
= 1 mA to 40 mA
0°C to 125°C
10.8 13.2 11.4 12.6
V
Output
voltage
I
O
= 1 mA to 70 mA
0°C to 125°C
10.8 13.2 11.4 12.6
V
Input
V
I
= 14.5 V to 27 V
25°C
55 250 55 250
mV
Input
voltage regulation
V
I
= 16 V to 27 V
25°C
49 200 49 200
mV
Ripple rejection V
I
= 15 V to 25 V, f = 120 Hz 25°C 36 42 37 42 dB
Output
I
O
= 1 mA to 100 mA
25°C
22 100 22 100
mV
Output
voltage regulation
I
O
= 1 mA to 40 mA
25°C
13 50 13 50
mV
Output
noise voltage
f = 10 Hz to 100 kHz 25°C 70 70 µV
Dropout voltage 25°C 1.7 1.7 V
Bias current
25°C
4.3 6.5 4.3 6.5
mA
Bias current
125°C
6 6
mA
Bias
V
I
= 16 V to 27 V
0°C to 125°C
1.5 1.5
mA
Bias
current change
I
O
= 1 mA to 40 mA
0°C to 125°C
0.2 0.1
mA
†
Pulse-testing techniques maintain T
J
as close to T
A
as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 0.33-µF capacitor across the input and a 0.1-µF 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
T
†
µA78L15C µA78L15AC
UNIT
PARAMETER TEST CONDITIONS
T
J
†
MIN TYP MAX MIN TYP MAX
UNIT
V 175Vt 30V
I 1At40A
25°C
13.8 15 16.2 14.4 15 15.6
Output
voltage
V
I
= 17.5 V to 30 V, I
O
= 1 mA to 40 mA
0°C to 125°C
13.5 16.5 14.25 15.75
V
vo
lt
age
I
O
= 1 mA to 70 mA
0°C to 125°C
13.5 16.5 14.25 15.75
V
Input
voltage
V
I
= 17.5 V to 30 V
25°C
65 300 65 300
mV
voltage
regulation
V
I
= 20 V to 30 V
25°C
58 250 58 250
mV
Ripple
rejection
V
I
= 18.5 V to 28.5 V, f = 120 Hz 25°C 33 39 34 39 dB
Output
voltage
I
O
= 1 mA to 100 mA
25°C
25 150 25 150
mV
voltage
regulation
I
O
= 1 mA to 40 mA
25°C
15 75 15 75
mV
Output
noise voltage
f = 10 Hz to 100 kHz 25°C 82 82 µV
Dropout
voltage
25°C 1.7 1.7 V
Bias current
25°C
4.6 6.5 4.6 6.5
mA
Bias current
125°C
6 6
mA
Bias
V
I
= 10 V to 30 V
0°C to 125°C
1.5 1.5
mA
Bias
current change
I
O
= 1 mA to 40 mA
0°C to 125°C
0.2 0.1
mA
†
Pulse-testing techniques maintain T
J
as close to T
A
as possible. Thermal effects must be taken into account separately. All characteristics are
measured with a 0.33-µF capacitor across the input and a 0.1-µF capacitor across the output.