Data Sheet

L78LxxAB, L78LxxAC, L78LxxC Electrical characteristics
Doc ID 2145 Rev 21 7/33
SVR Supply voltage rejection
V
I
= 9 to 20 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
40 49 dB
V
d
Dropout voltage 1.7 V
Table 5. Electrical characteristics of L78L05C (V
I
= 10 V) (continued)
Symbol Parameter Test conditions Min. Typ. Max. Unit
Table 6. Electrical characteristics of L78L08C (V
I
= 14 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 7.36 8 8.64 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 8.5 to 20 V 7.2 8.8
V
I
O
= 1 to 70 mA, V
I
= 12 V 7.2 8.8
ΔV
O
Line regulation
V
I
= 8.5 to 20 V, T
J
= 25 °C 200
mV
V
I
= 9 to 20 V, T
J
= 25 °C 150
ΔV
O
Load regulation
I
O
= 1 to 100 mA, T
J
= 25 °C 80
mV
I
O
= 1 to 40 mA, T
J
= 25 °C 40
I
d
Quiescent current
T
J
= 25 °C 6 mA
T
J
= 125 °C 5.5 mA
ΔI
d
Quiescent current change
I
O
= 1 to 40 mA 0.2
mA
V
I
= 8 to 20 V 1.5
eN Output noise voltage B =10 Hz to 100 kHz, T
J
= 25 °C 60 µV
SVR Supply voltage rejection
V
I
= 9 to 20 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
36 45 dB
V
d
Dropout voltage 1.7 V
Table 7. Electrical characteristics of L78L09C (V
I
= 15 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 8.28 9 9.72 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 11.5 to 23 V 8.1 9.9
V
I
O
= 1 to 70 mA, V
I
= 15 V 8.1 9.9
ΔV
O
Line regulation
V
I
= 11.5 to 23 V, T
J
= 25 °C 250
mV
V
I
= 12 to 23 V, T
J
= 25 °C 200
ΔV
O
Load regulation
I
O
= 1 to 100 mA, T
J
= 25 °C 80
mV
I
O
= 1 to 40 mA, T
J
= 25 °C 40
I
d
Quiescent current
T
J
= 25 °C 6 mA
T
J
= 125 °C 5.5 mA
ΔI
d
Quiescent current change
I
O
= 1 to 40 mA 0.2
mA
V
I
= 12 to 23 V 1.5