Data Sheet

Electrical characteristics L78LxxAB, L78LxxAC, L78LxxC
12/33 Doc ID 2145 Rev 21
T
J
= 0 to 125 °C for L78L08AC, T
J
= -40 to 125 °C for L78L08AB.
Table 15. Electrical characteristics of L78L06AB and L78L06AC (V
I
= 12 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 5.76 6 6.24 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 8.5 to 20 V 5.7 6.3
V
I
O
= 1 to 70 mA, V
I
= 12 V 5.7 6.3
ΔV
O
Line regulation
V
I
= 8.5 to 20 V, T
J
= 25 °C 150
mV
V
I
= 9 to 20 V, T
J
= 25 °C 100
ΔV
O
Load regulation
I
O
= 1 to 100 mA, T
J
= 25 °C 60
mV
I
O
= 1 to 40 mA, T
J
= 25 °C 30
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 0.1
mA
V
I
= 9 to 20 V 1.5
eN Output noise voltage B =10 Hz to 100 kHz, T
J
= 25 °C 50 µV
SVR Supply voltage rejection
V
I
= 9 to 20 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
39 46 dB
V
d
Dropout voltage 1.7 V
Table 16. Electrical characteristics of L78L08AB and L78L08AC (V
I
= 14 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 7.68 8 8.32 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 10.5 to 23 V 7.6 8.4
V
I
O
= 1 to 70 mA, V
I
= 14 V 7.6 8.4
ΔV
O
Line regulation
V
I
= 10.5 to 23 V, T
J
= 25 °C 175
mV
V
I
= 11 to 23 V, T
J
= 25 °C 125
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 0.1
mA
V
I
= 11 to 23 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
= 12 to 23 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
37 45 dB
V
d
Dropout voltage 1.7 V