L7800 SERIES
ELECTRICAL CHARACTERISTICS OF L7820C (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 = 23 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 = 23 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
400 mV
200
400 mV
200
8
mA
0.5 mA
1
-1
mV/°C
150
52
µV/VO
dB
2
V
24
mΩ
0.18
A
2.1
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 L7824C (refer to the test circuits, TJ = -55 to 150°C, VI = 33V,
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 = 27 to 38 V
VI = 27 to 38 V
TJ = 25°C
VI = 30 to 36 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 = 27 to 38 V
IO = 5 mA
B =10Hz to 100KHz
TJ = 25°C
VI = 28 to 38 V
f = 120Hz
IO = 1 A
TJ = 25°C
f = 1 KHz
VI = 35 V
TJ = 25°C
TJ = 25°C
23
24
25
V
22.8 24 25.2
V
480 mV
240
480 mV
240
8
mA
0.5 mA
1
-1.5
mV/°C
170
50
µV/VO
dB
2
V
28
mΩ
0.15
A
2.1
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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