Data Sheet

L7800 SERIES
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Table 7: Electrical Characteristics Of L7812 (refer to the test circuits, T
J
= -55 to 150°C, V
I
= 19V,
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 8: Electrical Characteristics Of L7815 (refer to the test circuits, T
J
= -55 to 150°C, V
I
= 23V,
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 11.5 12 12.5 V
V
O
Output Voltage I
O
= 5 mA to 1 A P
O
≤ 15W
V
I
= 15.5 to 27 V
11.4 12 12.6 V
∆V
O
(*) Line Regulation V
I
= 14.5 to 30 V T
J
= 25°C 120 mV
V
I
= 16 to 22 V T
J
= 25°C 60
∆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 60
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
= 15 to 30 V 0.8
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA 1.5 mV/°C
eN Output Noise Voltage B =10Hz to 100KHz T
J
= 25°C 40 µV/V
O
SVR Supply Voltage Rejection V
I
= 15 to 25 V f = 120Hz 61 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C 2 2.5 V
R
O
Output Resistance f = 1 KHz 18 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 14.4 15 15.6 V
V
O
Output Voltage I
O
= 5 mA to 1 A P
O
≤ 15W
V
I
= 18.5 to 30 V
14.25 15 15.75 V
∆V
O
(*) Line Regulation V
I
= 17.5 to 30 V T
J
= 25°C 150 mV
V
I
= 20 to 26 V T
J
= 25°C 75
∆V
O
(*) Load Regulation I
O
= 5 mA to 1.5 A T
J
= 25°C 150 mV
I
O
= 250 to 750 mA T
J
= 25°C 75
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
= 18.5 to 30 V 0.8
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA 1.8 mV/°C
eN Output Noise Voltage B =10Hz to 100KHz T
J
= 25°C 40 µV/V
O
SVR Supply Voltage Rejection V
I
= 18.5 to 28.5 V f = 120Hz 60 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C 2 2.5 V
R
O
Output Resistance f = 1 KHz 19 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