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UA78L12ACPK View Datasheet(PDF) - Texas Instruments

Part NameDescriptionManufacturer
UA78L12ACPK POSITIVE-VOLTAGE REGULATORS Texas-Instruments
Texas Instruments Texas-Instruments
UA78L12ACPK Datasheet PDF : 20 Pages
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µA78L00 SERIES
POSITIVEĆVOLTAGE REGULATORS
SLVS010S − JANUARY 1976 − REVISED FEBRUARY 2004
electrical characteristics at specified virtual junction temperature, VI = 19 V, IO = 40 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
µA78L12C
µA78L12AC
TJ†
UNIT
MIN TYP MAX MIN TYP MAX
Output voltage
25°C
11.1
VI = 14 V to 27 V, IO = 1 mA to 40 mA 0°C to 125°C 10.8
12 12.9 11.5
13.2 11.4
12 12.5
12.6 V
IO = 1 mA to 70 mA
0°C to 125°C 10.8
13.2 11.4
12.6
Input
voltage regulation
Ripple rejection
Output
voltage regulation
Output
noise voltage
VI = 14.5 V to 27 V
VI = 16 V to 27 V
VI = 15 V to 25 V, f = 120 Hz
IO = 1 mA to 100 mA
IO = 1 mA to 40 mA
f = 10 Hz to 100 kHz
25°C
25°C
25°C
25°C
55 250
49 200
55 250
mV
49 200
36
42
37
42
dB
22 100
13
50
22 100
mV
13
50
70
70
µV
Dropout voltage
25°C
1.7
1.7
V
Bias current
25°C
125°C
4.3 6.5
6
4.3 6.5
mA
6
Bias
current change
VI = 16 V to 27 V
IO = 1 mA to 40 mA
1.5
1.5
0°C to 125°C
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-µF capacitor across the input and a 0.1-µF capacitor across the output.
electrical characteristics at specified virtual junction temperature, VI = 23 V, IO = 40 mA (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
µA78L15C
µA78L15AC
TJ†
UNIT
MIN TYP MAX MIN TYP MAX
Output
voltage
Input
voltage
regulation
25°C
13.8
VI = 17.5 V to 30 V, IO = 1 mA to 40 mA 0°C to 125°C 13.5
IO = 1 mA to 70 mA
0°C to 125°C 13.5
VI = 17.5 V to 30 V
VI = 20 V to 30 V
25°C
15 16.2 14.4
16.5 14.25
16.5 14.25
65 300
58 250
15 15.6
15.75 V
15.75
65 300
mV
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
IO = 1 mA to 40 mA
25°C
25 150
15
75
25 150
mV
15
75
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
125°C
4.6 6.5
6
4.6 6.5
mA
6
Bias
VI = 10 V to 30 V
current change IO = 1 mA to 40 mA
1.5
1.5
0°C to 125°C
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-µF capacitor across the input and a 0.1-µF capacitor across the output.
8
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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