Datasheet

L79LxxAB, L79LxxAC, L79LxxC Electrical characteristics
Doc ID 2511 Rev 16 15/27
Refer to the test circuits, V
I
= - 15 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 13. Electrical characteristics of L79L09AB and L79L09AC
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 =10Hz to 100kHz, T
J
= 25°C 70 µV
SVR Supply voltage rejection
V
I
= -12 to -23V, f = 120Hz
I
O
= 40 mA, T
J
= 25°C
37 44 dB
V
d
Dropout voltage 1.7 V