Data Sheet

L7800 SERIES
13/34
Table 19: Electrical Characteristics Of L7812C (refer to the test circuits, T
J
= 0 to 125°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 20: Electrical Characteristics Of L7815C (refer to the test circuits, T
J
= 0 to 125°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
= 14.5 to 27 V
11.4 12 12.6 V
∆V
O
(*) Line Regulation V
I
= 14.5 to 30 V T
J
= 25°C 240 mV
V
I
= 16 to 22 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 8 mA
∆I
d
Quiescent Current Change I
O
= 5 mA to 1 A 0.5 mA
V
I
= 14.5 to 30 V 1
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA -1 mV/°C
eN Output Noise Voltage B =10Hz to 100KHz T
J
= 25°C 75 µV/V
O
SVR Supply Voltage Rejection V
I
= 15 to 25 V f = 120Hz 55 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C 2 V
R
O
Output Resistance f = 1 KHz 18 mΩ
I
sc
Short Circuit Current V
I
= 35 V T
J
= 25°C 0.35 A
I
scp
Short Circuit Peak Current T
J
= 25°C 2.2 A
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage T
J
= 25°C 14.5 15 15.6 V
V
O
Output Voltage I
O
= 5 mA to 1 A P
O
≤ 15W
V
I
= 17.5 to 30 V
14.25 15 15.75 V
∆V
O
(*) Line Regulation V
I
= 17.5 to 30 V T
J
= 25°C 300 mV
V
I
= 20 to 26 V T
J
= 25°C 150
∆V
O
(*) Load Regulation I
O
= 5 mA to 1.5 A T
J
= 25°C 300 mV
I
O
= 250 to 750 mA T
J
= 25°C 150
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
= 17.5 to 30 V 1
∆V
O
/∆T Output Voltage Drift I
O
= 5 mA -1 mV/°C
eN Output Noise Voltage B =10Hz to 100KHz T
J
= 25°C 90 µV/V
O
SVR Supply Voltage Rejection V
I
= 18.5 to 28.5 V f = 120Hz 54 dB
V
d
Dropout Voltage I
O
= 1 A T
J
= 25°C 2 V
R
O
Output Resistance f = 1 KHz 19 mΩ
I
sc
Short Circuit Current V
I
= 35 V T
J
= 25°C 0.23 A
I
scp
Short Circuit Peak Current T
J
= 25°C 2.2 A