Datasheet

DocID2141 Rev 13 7/22
L4940 Electrical characteristics
5 Electrical characteristics
Refer to test circuit, V
I
= 7 V, C
I
= 0.1 µF, C
O
= 22 µF, T
J
= 25 °C, unless otherwise specified.
Refer to test circuit, V
I
= 10.5 V, C
I
= 0.1 µF, C
O
= 22 µF, T
J
= 25 °C, unless otherwise
specified.
Table 4. L4940#5 electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage I
O
= 500 mA 4.9 5 5.1 V
V
O
Output voltage I
O
= 5 mA to 1.5 A, V
I
= 6.5 to 15 V 4.8 5 5.2 V
V
I
Maximum input voltage I
O
= 5 mA 17 V
ΔV
O
Line regulation V
I
= 6 to 17 V, I
O
= 5 mA 4 10 mV
ΔV
O
Load regulation
I
O
= 5 mA to 1.5 A 8 25 mV
I
O
= 0.5 A to 1 A 5 15 mV
I
q
Quiescent current
I
O
= 5 mA 5 8 mA
I
O
= 1.5 A, V
I
= 6.5 V 30 50 mA
ΔI
q
Quiescent current change
I
O
= 5 mA 3 mA
I
O
= 1.5 A, V
I
= 6.5 to 16 V 15 mA
ΔV
O
/ ΔT Output voltage drift 0.5 mV/°C
SVR Supply voltage rejection f = 120 Hz, I
O
= 1 A 58 68 dB
V
d
Dropout voltage
I
O
= 0.5 A 200 400 mV
I
O
= 1.5 A 500 900 mV
I
sc
Short-circuit current
V
I
= 14 V 2 2.7
A
V
I
= 6.5 V 2.2 2.9
Table 5. L4940#85 electrical characteristics
Symbol Parameter Test conditions Min. Typ. Max. Unit
V
O
Output voltage I
O
= 500 mA 8.3 8.5 8.7 V
V
O
Output voltage I
O
= 5 mA to 1.5 A, V
I
= 10.2 to 15 V 8.15 8.5 8.85 V
V
I
Maximum input voltage I
O
= 5 mA 17 V
ΔV
O
Line regulation V
I
= 9.5 to 17 V, I
O
= 5 mA 4 9 mV
ΔV
O
Load regulation
I
O
= 5 mA to 1.5 A 12 30 mV
I
O
= 0.5 A to 1 A 8 16 mV
I
q
Quiescent current
I
O
= 5 mA 4 8 mA
I
O
= 1.5 A, V
I
= 10.2 V 30 50 mA
ΔI
q
Quiescent current change
I
O
= 5 mA 2.5 mA
I
O
= 1.5 A, V
I
= 10.2 to 16 V 15 mA