Datasheet

Electrical characteristics L79L
6/26 DocID2511 Rev 17
4 Electrical characteristics
Refer to the test circuits, V
I
= - 10 V, I
O
= 40 mA, C
I
= 0.33 µF, C
O
= 0.1 µF, T
J
= 0 to 125 °C
for L79L05AC, T
J
= -40 to 125 °C for L79L05AB, unless otherwise specified.
Table 3. Electrical characteristics of L79L05AC and L79L05AB
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage T
J
= 25°C -4.8 -5 -5.2 V
V
O
Output voltage
I
O
= 1 to 40 mA, V
I
= -7 to -20 V -4.75 -5.25
V
I
O
= 1 to 70 mA, V
I
= -10 V -4.75 -5.25
DV
O
Line regulation
V
I
= -7 to -20 V, T
J
= 25°C 150
mV
V
I
= -8 to -20 V, T
J
= 25°C 100
DV
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
DI
d
Quiescent current change
I
O
= 1 to 40 mA 0.1
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
SVR Supply voltage rejection
V
I
= -8 to -18 V, f = 120 Hz I
O
= 40 mA,
T
J
= 25°C
41 49 dB
V
d
Dropout voltage 1.7 V