Data Sheet

Electrical characteristics L78LxxAB, L78LxxAC, L78LxxC
6/33 Doc ID 2145 Rev 21
4 Electrical characteristics
Refer to the test circuits, T
J
= 0 to 125 °C, I
O
= 40 mA, C
I
= 0.33 µF, C
O
= 0.1 µF unless
otherwise specified.
Table 4. Electrical characteristics of L78L33C (V
I
= 8.3 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 3.036 3.3 3.564 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 5.3 to 20 V 2.97 3.63
V
I
O
= 1 to 70 mA, V
I
= 8.3 V 2.97 3.63
ΔV
O
Line regulation
V
I
= 5.3 to 20 V, T
J
= 25 °C 150
mV
V
I
= 6.3 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 0.2
mA
V
I
= 6.3 to 20 V 1.5
eN Output noise voltage B =10 Hz to 100 kHz, T
J
= 25 °C 40 µV
SVR Supply voltage rejection
V
I
= 6.3 to 16.3 V, f = 120 Hz
I
O
= 40 mA, T
J
= 25 °C
41 49 dB
V
d
Dropout voltage 1.7 V
Table 5. Electrical characteristics of L78L05C (V
I
= 10 V)
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25 °C 4.6 5 5.4 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= 7 to 20 V 4.5 5.5
V
I
O
= 1 to 70 mA, V
I
= 10 V 4.5 5.5
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 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 0.2
mA
V
I
= 8 to 20 V 1.5
eN Output noise voltage B =10 Hz to 100 kHz, T
J
= 25 °C 40 µV