Data Sheet
L7800 SERIES
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Table 11: Electrical Characteristics Of L7824 (refer to the test circuits, T
J
= -55 to 150°C, V
I
= 33V,
I
O
= 500 mA, C
I
= 0.33 µF, C
O
= 0.1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in V
O
due to heating effects must be taken into account
separately. Pulse testing with low duty cycle is used.
Table 12: Electrical Characteristics Of L7805C (refer to the test circuits, T
J
= 0 to 125°C, V
I
= 10V,
I
O
= 500 mA, C
I
= 0.33 µF, C
O
= 0.1 µF unless otherwise specified).
(*) Load and line regulation are specified at constant junction temperature. Changes in V
O
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
V
O
Output Voltage T
J
= 25°C 232425 V
V
O
Output Voltage I
O
= 5 mA to 1 A P
O
≤ 15W
V
I
= 28 to 38 V
22.8 24 25.2 V
∆V
O
(*) Line Regulation V
I
= 27 to 38 V T
J
= 25°C 240 mV
V
I
= 30 to 36 V T
J
= 25°C 120
∆V
O
(*) Load Regulation I
O
= 5 mA to 1.5 A T
J
= 25°C 240 mV
I
O
= 250 to 750 mA T
J
= 25°C 120
I
d
Quiescent Current T
J
= 25°C 6 mA
∆I
d
Quiescent Current Change I
O
= 5 mA to 1 A 0.5 mA
V
I
= 28 to 38 V 0.8
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA 3 mV/°C
eN Output Noise Voltage B =10Hz to 100KHz T
J
= 25°C 40 µV/V
O
SVR Supply Voltage Rejection V
I
= 28 to 38 V f = 120Hz 56 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C 2 2.5 V
R
O
Output Resistance f = 1 KHz 28 mΩ
I
sc
Short Circuit Current V
I
= 35 V T
J
= 25°C 0.75 1.2 A
I
scp
Short Circuit Peak Current T
J
= 25°C 1.3 2.2 3.3 A
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage T
J
= 25°C 4.8 5 5.2 V
V
O
Output Voltage I
O
= 5 mA to 1 A P
O
≤ 15W
V
I
= 7 to 20 V
4.75 5 5.25 V
∆V
O
(*) Line Regulation V
I
= 7 to 25 V T
J
= 25°C 3 100 mV
V
I
= 8 to 12 V T
J
= 25°C 1 50
∆V
O
(*) Load Regulation I
O
= 5 mA to 1.5 A T
J
= 25°C 100 mV
I
O
= 250 to 750 mA T
J
= 25°C 50
I
d
Quiescent Current T
J
= 25°C 8 mA
∆I
d
Quiescent Current Change I
O
= 5 mA to 1 A 0.5 mA
V
I
= 7 to 25 V 0.8
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA -1.1 mV/°C
eN Output Noise Voltage B =10Hz to 100KHz T
J
= 25°C 40 µV/V
O
SVR Supply Voltage Rejection V
I
= 8 to 18 V f = 120Hz 62 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C 2 V
R
O
Output Resistance f = 1 KHz 17 mΩ
I
sc
Short Circuit Current V
I
= 35 V T
J
= 25°C 0.75 A
I
scp
Short Circuit Peak Current T
J
= 25°C 2.2 A