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L7815CT Datasheet(Hoja de datos) 7 Page - STMicroelectronics

No. de Pieza. L7815CT
Descripción  POSITIVE VOLTAGE REGULATORS
Descarga  34 Pages
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Fabricante  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
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L7800 SERIES
7/34
Table 7: Electrical Characteristics Of L7812 (refer to the test circuits, TJ = -55 to 150°C, VI = 19V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Table 8: Electrical Characteristics Of L7815 (refer to the test circuits, TJ = -55 to 150°C, VI = 23V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in VO due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
11.5
12
12.5
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 15.5 to 27 V
11.4
12
12.6
V
∆V
O(*)
Line Regulation
VI = 14.5 to 30 V
TJ = 25°C
120
mV
VI = 16 to 22 V
TJ = 25°C
60
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
100
mV
IO = 250 to 750 mA
TJ = 25°C
60
Id
Quiescent Current
TJ = 25°C
6
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 15 to 30 V
0.8
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
1.5
mV/°C
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
40
µV/V
O
SVR
Supply Voltage Rejection
VI = 15 to 25 V
f = 120Hz
61
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
2.5
V
RO
Output Resistance
f = 1 KHz
18
m
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.75
1.2
A
Iscp
Short Circuit Peak Current
TJ = 25°C
1.3
2.2
3.3
A
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
VO
Output Voltage
TJ = 25°C
14.4
15
15.6
V
VO
Output Voltage
IO = 5 mA to 1 A
PO ≤ 15W
VI = 18.5 to 30 V
14.25
15
15.75
V
∆V
O(*)
Line Regulation
VI = 17.5 to 30 V
TJ = 25°C
150
mV
VI = 20 to 26 V
TJ = 25°C
75
∆V
O(*)
Load Regulation
IO = 5 mA to 1.5 A
TJ = 25°C
150
mV
IO = 250 to 750 mA
TJ = 25°C
75
Id
Quiescent Current
TJ = 25°C
6
mA
∆I
d
Quiescent Current Change
IO = 5 mA to 1 A
0.5
mA
VI = 18.5 to 30 V
0.8
∆V
O/∆T
Output Voltage Drift
IO = 5 mA
1.8
mV/°C
eN
Output Noise Voltage
B =10Hz to 100KHz
TJ = 25°C
40
µV/V
O
SVR
Supply Voltage Rejection
VI = 18.5 to 28.5 V
f = 120Hz
60
dB
Vd
Dropout Voltage
IO = 1 A
TJ = 25°C
2
2.5
V
RO
Output Resistance
f = 1 KHz
19
m
Isc
Short Circuit Current
VI = 35 V
TJ = 25°C
0.75
1.2
A
Iscp
Short Circuit Peak Current
TJ = 25°C
1.3
2.2
3.3
A




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