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PDF L78L24ABD Data sheet ( Hoja de datos )

Número de pieza L78L24ABD
Descripción POSITIVE VOLTAGE REGULATORS
Fabricantes STMicroelectronics 
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L78L00
® SERIES
POSITIVE VOLTAGE REGULATORS
s OUTPUT CURRENT UP TO 100 mA
s OUTPUT VOLTAGES OF 3.3; 5; 6; 8; 9; 12;
15; 18; 24V
s THERMAL OVERLOAD PROTECTION
s SHORT CIRCUIT PROTECTION
s NO EXTERNAL COMPONENTS ARE
REQUIRED
s AVAILABLEIN EITHER ± 5% (AC) OR ± 10%
(C) SELECTION
DESCRIPTION
The L78L00 series of three-terminal positive
regulators employ internal current limiting and
thermal shutdown, making them essentially
indestructible. If adequate heatsink is provided,
they can deliver up to 100 mA output current.
They are intended as fixed voltage regulators in a
wide range of applications including local or
on-card regulation for elimination of noise and
distribution problems associated with single-point
regulation. In addition, they can be used with
power pass elements to make high-current
voltage regulators.
The L78L00 series used as Zener diode/resistor
combination replacement, offers an effective
SO-8
SOT-89
TO-92
output impedance improvement of typically two
orders of magnetude, along with lower quiescent
current and lower noise.
BLOCK DIAGRAM
February 1999
1/19

1 page




L78L24ABD pdf
L78L00
ELECTRICAL CHARACTERISTICS FOR L78L08 (refer to the test circuits, Tj = 0 to 125 oC,
Vi = 14V, Io = 40 mA, Ci = 0.33 µF, Co = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
7.36 8 8.64
Vo Output Voltage
Vo Line Regulation
Vo Load Regulation
Id Quiescent Current
Io = 1 to 40 mA Vi = 10.5 to 23 V
Io = 1 to 70 mA Vi = 14 V
Vi = 10.5 to 23 V Tj = 25 oC
Vi = 11 to 23 V Tj = 25 oC
Io = 1 to 100 mA Tj = 25 oC
Io = 1 to 40 mA Tj = 25 oC
Tj = 25 oC
Tj = 125 oC
7.2
7.2
8.8
8.8
2 00
1 50
80
40
6
5.5
Id Quiescent Current Change Io = 1 to 40 mA
0.2
Id
eN
SVR
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Vi = 11 to 23 V
B = 10Hz to 100KHz Tj = 25 oC
Io = 40 mA f = 120 Hz Tj = 25 oC
Vi = 12 to 23 V
1.5
60
36 45
Vd Dropout Voltage
1.7
Unit
V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
µV
dB
V
ELECTRICAL CHARACTERISTICS FOR L78L09 (refer to the test circuits, Tj = 0 to 125 oC,
Vi = 15V, Io = 40 mA, Ci = 0.33 µF, Co = 0.1 µF unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
8.28 9 9.72
Vo Output Voltage
Vo Line Regulation
Vo Load Regulation
Id Quiescent Current
Io = 1 to 40 mA Vi = 11.5 to 23 V
Io = 1 to 70 mA Vi = 15 V
Vi = 11.5 to 23 V Tj = 25 oC
Vi = 12 to 23 V Tj = 25 oC
Io = 1 to 100 mA Tj = 25 oC
Io = 1 to 40 mA Tj = 25 oC
Tj = 25 oC
Tj = 125 oC
8.1
8.1
9.9
9.9
2 50
2 00
80
40
6
5.5
Id Quiescent Current Change Io = 1 to 40 mA
0.2
Id Quiescent Current Change
eN Output Noise Voltage
Vi = 12 to 23 V
B = 10Hz to 100KHz Tj = 25 oC
1.5
70
SVR Supply Voltage Rejection
Io = 40 mA f = 120 Hz Tj = 25 oC
Vi = 12 to 23 V
36 44
Vd Dropout Voltage
1.7
Unit
V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
µV
dB
V
5/19

5 Page





L78L24ABD arduino
L78L00
ELECTRICAL CHARACTERISTICS FOR L78L15AB AND L78L15AC
(refer to the test circuits, Vi = 23V, Io = 40 mA, Ci = 0.33 µF, Co = 0.1 µF,
Tj = 0 to 125 oC for L78L15AC, Tj = -40 to 125 oC for L78L15AB, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
14.4 15 15.6
Vo Output Voltage
Vo Line Regulation
Vo Load Regulation
Id Quiescent Current
Io = 1 to 40 mA Vi = 17.5 to 30 V
Io = 1 to 70 mA Vi = 23 V
Vi = 17.5 to 30 V Tj = 25 oC
Vi = 20 to 30 V Tj = 25 oC
Io = 1 to 100 mA Tj = 25 oC
Io = 1 to 40 mA Tj = 25 oC
Tj = 25 oC
Tj = 125 oC
14.25
14.25
15 .7 5
15 .7 5
3 00
2 50
1 50
75
6.5
6
Id Quiescent Current Change Io = 1 to 40 mA
0.1
Id
eN
SVR
Quiescent Current Change
Output Noise Voltage
Supply Voltage Rejection
Vi = 20 to 30 V
B = 10Hz to 100KHz Tj = 25 oC
Io = 40 mA f = 120 Hz Tj = 25 oC
Vi = 18.5 to 28.5 V
1.5
90
34 39
Vd Dropout Voltage
1.7
Unit
V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
µV
dB
V
ELECTRICAL CHARACTERISTICS FOR L78L18AB AND L78L18AC
(refer to the test circuits, Vi = 27V, Io = 40 mA, Ci = 0.33 µF, Co = 0.1 µF,
Tj = 0 to 125 oC for L78L18AC, Tj = -40 to 125 oC for L78L18AB, unless otherwise specified)
Symbol
Parameter
Test Conditions
Min. Typ. Max.
Vo Output Voltage
Tj = 25 oC
17.3 18 18.7
Vo Output Voltage
Vo Line Regulation
Vo Load Regulation
Id Quiescent Current
Io = 1 to 40 mA Vi = 22 to 33 V
Io = 1 to 70 mA Vi = 27 V
Vi = 22 to 33 V Tj = 25 oC
Vi = 22 to 33 V Tj = 25 oC
Io = 1 to 100 mA Tj = 25 oC
Io = 1 to 40 mA Tj = 25 oC
Tj = 25 oC
Tj = 125 oC
17.1
17.1
18.9
18.9
3 20
2 70
1 70
85
6.5
6
Id Quiescent Current Change Io = 1 to 40 mA
0.1
Id Quiescent Current Change
eN Output Noise Voltage
Vi = 23 to 33 V
B = 10Hz to 100KHz Tj = 25 oC
1.5
120
SVR Supply Voltage Rejection
Io = 40 mA f = 120 Hz Tj = 25 oC
Vi = 23 to 33 V
33 38
Vd Dropout Voltage
1.7
Unit
V
V
V
mV
mV
mV
mV
mA
mA
mA
mA
µV
dB
V
11/19

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