Data Sheet

ELECTRICAL CHARACTERISTICS FOR L78L12AB AND L78L12AC
(refer to the test circuits, V
i
= 19V, I
o
=40mA,C
i
=0.33µF, C
o
=0.1µF,
T
j
=0to125
o
C for L78L12AC, T
j
= -40 to 125
o
C for L78L12AB, unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
o
Output Voltage T
j
=25
o
C 11.5 12 12.5 V
V
o
Output Voltage I
o
= 1 to 40 mA V
i
= 14.5 to 27 V
I
o
= 1 to 70 mA V
i
=19V
11.4
11.4
12.6
12.6
V
V
∆V
o
Line Regulation V
i
= 14.5 to 27 V T
j
=25
o
C
V
i
=16to27V T
j
=25
o
C
250
200
mV
mV
∆V
o
Load Regulation I
o
= 1 to 100 mA T
j
=25
o
C
I
o
= 1 to 40 mA T
j
=25
o
C
100
50
mV
mV
I
d
Quiescent Current T
j
=25
o
C
T
j
= 125
o
C
6.5
6
mA
mA
∆I
d
Quiescent Current Change I
o
= 1 to 40 mA 0.1 mA
∆I
d
Quiescent Current Change V
i
= 16 to 27 V 1.5 mA
eN Output Noise Voltage B = 10Hz to 100KHz T
j
=25
o
C80µV
SVR Supply Voltage Rejection I
o
= 40 mA f = 120 Hz T
j
=25
o
C
V
i
=15to25V
37 42 dB
V
d
Dropout Voltage 1.7 V
ELECTRICAL CHARACTERISTICS FOR L78L15AB AND L78L15AC
(refer to the test circuits, V
i
= 23V, I
o
=40mA,C
i
=0.33µF, C
o
=0.1µF,
T
j
=0to125
o
C for L78L15AC, T
j
= -40 to 125
o
C for L78L15AB, unless otherwise specified)
Symbol Parameter Test Conditions Min. Typ. Max. Unit
V
o
Output Voltage T
j
=25
o
C 14.4 15 15.6 V
V
o
Output Voltage I
o
= 1 to 40 mA V
i
= 17.5 to 30 V
I
o
= 1 to 70 mA V
i
=23V
14.25
14.25
15.75
15.75
V
V
∆V
o
Line Regulation V
i
= 17.5 to 30 V T
j
=25
o
C
V
i
=20to30V T
j
=25
o
C
300
250
mV
mV
∆V
o
Load Regulation I
o
= 1 to 100 mA T
j
=25
o
C
I
o
= 1 to 40 mA T
j
=25
o
C
150
75
mV
mV
I
d
Quiescent Current T
j
=25
o
C
T
j
= 125
o
C
6.5
6
mA
mA
∆I
d
Quiescent Current Change I
o
= 1 to 40 mA 0.1 mA
∆I
d
Quiescent Current Change V
i
= 20 to 30 V 1.5 mA
eN Output Noise Voltage B = 10Hz to 100KHz T
j
=25
o
C90µV
SVR Supply Voltage Rejection I
o
= 40 mA f = 120 Hz T
j
=25
o
C
V
i
= 18.5 to 28.5 V
34 39 dB
V
d
Dropout Voltage 1.7 V
L78L00 SERIES
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