Data Sheet

L78LxxAB, L78LxxAC, L78LxxC Electrical characteristics
Doc ID 2145 Rev 21 13/33
T
J
= 0 to 125 °C for L78L09AC, T
J
= -40 to 125 °C for L78L09AB.
T
J
= 0 to 125 °C for L78L10AC, T
J
= -40 to 125 °C for L78L10AB.
Table 17. Electrical characteristics of L78L09AB and L78L09AC (V
I
= 15 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 8.64 9 9.36 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 11.5 to 23 V 8.55 9.45
V
I
O
= 1 to 70 mA, V
I
= 15 V 8.55 9.45
ΔV
O
Line regulation
V
I
= 11.5 to 23 V, T
J
= 25 °C 225
mV
V
I
= 12 to 23 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 0.1
mA
V
I
= 12 to 23 V 1.5
eN Output noise voltage B =10 Hz to 100 kHz, T
J
= 25 °C 70 µV
SVR Supply voltage rejection
V
I
= 12 to 23 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
37 44 dB
V
d
Dropout voltage 1.7 V
Table 18. Electrical characteristics of L78L10AC (V
I
= 16 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 9.6 10 10.4 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 12.5 to 23 V 9.5 10.5
V
I
O
= 1 to 70 mA, V
I
= 16 V 9.5 10.5
ΔV
O
Line regulation
V
I
= 12.5 to 23 V, T
J
= 25 °C 230
mV
V
I
= 13 to 23 V, T
J
= 25 °C 170
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
= 13 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
= 14 to 23 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
37 45 dB
V
d
Dropout voltage 1.7 V