L78L
Symbol
VO
VO
∆VO
∆VO
Id
∆Id
eN
SVR
Vd
Electrical characteristics
Refer to the test circuits, TJ = 0 to 125 °C (AC) TJ = -40 to 125 °C (AB), VI =19 V,
IO = 40 mA, CI = 0.33 μF, CO = 0.1 μF unless otherwise specified.
Table 18: Electrical characteristics of L78L12AB and L78L12AC
Parameter
Test conditions
Min. Typ. Max. Unit
Output voltage
Output voltage
Line regulation
Load regulation
Quiescent current
Quiescent current change
Output noise voltage
Supply voltage rejection
Dropout voltage
TJ = 25 °C
IO = 1 to 40 mA, VI = 14.5 to 27 V
IO = 1 to 70 mA, VI = 19 V
VI = 14.5 to 27 V, TJ = 25 °C
VI = 16 to 27 V, TJ = 25 °C
IO = 1 to 100 mA, TJ = 25 °C
IO = 1 to 40 mA, TJ = 25 °C
TJ = 25 °C
TJ = 125 °C
IO = 1 to 40 mA
VI = 16 to 27 V
B = 10 Hz to 100 kHz, TJ = 25 °C
VI = 15 to 25 V, f = 120 Hz
IO = 40 mA, TJ = 25 °C
11.5 12 12.5 V
11.4
12.6
V
11.4
12.6
250
mV
200
100
mV
50
6.5 mA
6
mA
0.1
mA
1.5
80
µV
37 42
dB
1.7
V
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