Datasheet

L4940 SERIES
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Table 6: Electrical Characteristics Of L4940V10 (Refer to test circuit, V
I
=12V, C
I
= 0.1µF,
C
O
= 22µF, T
J
= 25°C, unless otherwise specified.)
Table 7: Electrical Characteristics Of L4940V12 (Refer to test circuit, V
I
=14V, C
I
= 0.1µF,
C
O
= 22µF, T
J
= 25°C, unless otherwise specified.)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage I
O
= 500 mA 9.8 10 10.2 V
V
O
Output Voltage I
O
= 5mA to 1.5A V
I
= 11.7 to 15V 9.6 10 10.4 V
V
I
Input Voltage I
O
= 5 mA 17 V
∆V
O
Line Regulation V
I
= 11 to 17V I
O
= 5 mA 3 8 mV
∆V
O
Load Regulation I
O
= 5mA to 1.5A 15 35 mV
I
O
= 0.5A to 1A 10 20 mV
I
q
Quiescent Current I
O
= 5 mA 5 8 mA
I
O
= 1.5A V
I
= 11.7V 30 50 mA
∆I
q
Quiescent Current Change I
O
= 5 mA 2 mA
I
O
= 1.5A V
I
= 11.7 to 16V 13 mA
∆V
O
/∆T Output Voltage Drift 1 mv/°C
SVR Supply Voltage Rejection f = 120Hz I
O
= 1A 56 62 dB
V
d
Dropout Voltage I
O
= 0.5A 200 400 mV
I
O
= 1.5A 500 900 mV
I
sc
Short Circuit Current V
I
= 14V 2 2.7 A
V
I
= 11.7V 2.2 2.9
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
O
Output Voltage I
O
= 500 mA 11.75 12 12.25 V
V
O
Output Voltage I
O
= 5mA to 1.5A V
I
= 13.8 to 15V 11.5 12 12.5 V
V
I
Input Voltage I
O
= 5 mA 17 V
∆V
O
Line Regulation V
I
= 13 to 17V I
O
= 5 mA 3 7 mV
∆V
O
Load Regulation I
O
= 5mA to 1.5A 15 35 mV
I
O
= 0.5A to 1A 10 25 mV
I
q
Quiescent Current I
O
= 5 mA 4 8 mA
I
O
= 1.5A V
I
= 13.8V 30 50 mA
∆I
q
Quiescent Current Change I
O
= 5 mA 1.5 mA
I
O
= 1.5A V
I
= 13.8 to 16V 10 mA
∆V
O
/∆T Output Voltage Drift 1.2 mv/°C
SVR Supply Voltage Rejection f = 120Hz I
O
= 1A 55 61 dB
V
d
Dropout Voltage I
O
= 0.5A 200 400 mV
I
O
= 1.5A 500 900 mV
I
sc
Short Circuit Current V
I
= 14V 2 2.7 A
Z
O
Output Impedance f = 120Hz I
O
= 0.5A 40 mΩ