Datasheet

DocID2146 Rev 20 13/46
L78M Electrical characteristics
46
Refer to the test circuits, T
J
= 25 °C, V
I
= 15 V, I
O
= 350 mA, C
I
= 0.33 µF, C
O
= 0.1 µF
unless otherwise specified.
Table 9. Electrical characteristics of L78M09C
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage 8.65 9 9.35 V
V
O
Output voltage I
O
= 5 to 350 mA, V
I
= 11.5 to 24 V 8.55 9 9.45 V
ΔV
O
Line regulation
V
I
= 11.5 to 25 V, I
O
= 200 mA 100
mV
V
I
= 12 to 25 V, I
O
= 200 mA 50
ΔV
O
Load regulation
I
O
= 5 to 500 mA, T
J
= 25 °C 180
mV
I
O
= 5 to 200 mA, T
J
= 25 °C 90
I
d
Quiescent current 6 mA
ΔI
d
Quiescent current change
I
O
= 5 to 350 mA 0.5
mA
I
O
= 200 mA, V
I
= 11.5 to 25 V 0.8
ΔV
O
/ΔT Output voltage drift I
O
= 5 mA, T
J
= 0 to 125 °C -0.5 mV/°C
SVR Supply voltage rejection
V
I
= 12.5 to 23 V, f = 120 Hz,
I
O
= 300 mA
56 dB
eN Output noise voltage B = 10 Hz to 100 kHz 58 µV
V
d
Dropout voltage 2 V
I
sc
Short circuit current V
I
= 35 V 250 mA