L7818CD2T Просмотр технического описания (PDF) - STMicroelectronics
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L7818CD2T Datasheet PDF : 29 Pages
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L7800 SERIES
ELECTRICAL CHARACTERISTICS OF L7818 (refer to the test circuits, TJ = -55 to 150°C, VI = 26V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO(*) Line Regulation
∆VO(*) Load Regulation
Id Quiescent Current
∆Id Quiescent Current Change
∆VO/∆T Output Voltage Drift
eN Output Noise Voltage
SVR Supply Voltage Rejection
Vd Dropout Voltage
RO Output Resistance
Isc Short Circuit Current
Iscp Short Circuit Peak Current
TJ = 25°C
IO = 5 mA to 1 A PO ≤ 15W
VI = 22 to 33 V
VI = 21 to 33 V
TJ = 25°C
VI = 24 to 30 V
TJ = 25°C
IO = 5 mA to 1.5 A
TJ = 25°C
IO = 250 to 750 mA
TJ = 25°C
TJ = 25°C
IO = 5 mA to 1 A
VI = 22 to 33 V
IO = 5 mA
B =10Hz to 100KHz
TJ = 25°C
VI = 22 to 32 V
f = 120Hz
IO = 1 A
TJ = 25°C
f = 1 KHz
VI = 35 V
TJ = 25°C
TJ = 25°C
17.3 18 18.7
V
17.1 18 18.9
V
180 mV
90
180 mV
90
6
mA
0.5 mA
0.8
2.3
mV/°C
40 µV/VO
59
dB
2
2.5
V
22
mΩ
0.75 1.2
A
1.3
2.2
3.3
A
(*) 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.
ELECTRICAL CHARACTERISTICS OF L7820 (refer to the test circuits, TJ = -55 to 150°C, VI = 28V,
IO = 500 mA, CI = 0.33 µF, CO = 0.1 µF unless otherwise specified).
Symbol
Parameter
Test Conditions
Min. Typ. Max. Unit
VO Output Voltage
VO Output Voltage
∆VO(*) Line Regulation
∆VO(*) Load Regulation
Id Quiescent Current
∆Id Quiescent Current Change
∆VO/∆T Output Voltage Drift
eN Output Noise Voltage
SVR Supply Voltage Rejection
Vd Dropout Voltage
RO Output Resistance
Isc Short Circuit Current
Iscp Short Circuit Peak Current
TJ = 25°C
IO = 5 mA to 1 A PO ≤ 15W
VI = 24 to 35 V
VI = 22.5 to 35 V
TJ = 25°C
VI = 26 to 32 V
TJ = 25°C
IO = 5 mA to 1.5 A
TJ = 25°C
IO = 250 to 750 mA
TJ = 25°C
TJ = 25°C
IO = 5 mA to 1 A
VI = 24 to 35 V
IO = 5 mA
B =10Hz to 100KHz
TJ = 25°C
VI = 24 to 35 V
f = 120Hz
IO = 1 A
TJ = 25°C
f = 1 KHz
VI = 35 V
TJ = 25°C
TJ = 25°C
19.2 20 20.8
V
19
20
21
V
200 mV
100
200 mV
100
6
mA
0.5 mA
0.8
2.5
mV/°C
40 µV/VO
58
dB
2
2.5
V
24
mΩ
0.75 1.2
A
1.3
2.2
3.3
A
(*) 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.
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