Datasheet

DocID2511 Rev 17 7/26
L79L Electrical characteristics
26
Refer to the test circuits, V
I
= - 14 V, I
O
= 40 mA, C
I
= 0.33 µF, C
O
= 0.1 µF, T
J
= 0 to 125 °C
for L79L08AC T
J
= -40 to 125 °C for L79L08AB, unless otherwise specified.
Table 4. Electrical characteristics of L79L08AC and L79L08AB
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
DV
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
DV
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
DI
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 -23V, f = 120 Hz, I
O
= 40 mA,
T
J
= 25°C
37 45 dB
V
d
Dropout voltage 1.7 V