LM78L18 View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
Manufacturer
LM78L18 Datasheet PDF : 8 Pages
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MC78LXXA (LM78LXX, KA78LXXA)
FIXED VOLTAGE REGULATOR (POSITIVE)
LM78L12 ELECTRICAL CHARACTERISTICS
(VI = 19V, IO = 40mA, 0 °C ≤TJ ≤ 125 °C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
Characteristic
Output Voltage
Line Regulation
Load Regulation
Output Voltage
Quiescent Current
Quiescent Current with line
Change
with load
Output Noise Voltage
Temperature Coefficient of VO
Ripple Rejection
Dropout Voltage
Symbol
Test Conditions
VO
∆VO
∆VO
VO
IQ
∆IQ
∆IQ
VN
TJ = 25 °C
TJ =25 °C
TJ =25 °C
14.5V ≤ VI ≤ 27V
14.5V ≤ VI ≤ 27V
16V ≤ VI ≤ 27V
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
1mA ≤ IO ≤ 40mA
14.5V ≤ VI ≤ VMAX 1mA ≤ IO ≤ 70mA
(Note 2)
TJ = 25 °C
16V ≤ VI ≤ 27V
1mA ≤ IO ≤ 40mA
TA = 25 °C, 10Hz ≤ f ≤ 100KHz
∆VO/∆T IO = 5mA
RR f = 120Hz, 15V ≤ VI ≤ 25V, TJ = 25 °C
VD TJ = 25 °C
Min Typ Max Unit
11.5 12 12.5 V
20 250 mV
15 200 mV
20 100 mV
10
50 mV
11.4
12.6 V
11.4
12.6 V
2.1 6.0 mA
1.5 mA
0.1 mA
80
µV/VO
-1.0
mV/ °C
37
65
dB
1.7
V
LM78L15 ELECTRICAL CHARACTERISTICS
(VI = 23V, IO = 40mA, 0 °C ≤ TJ ≤ 125°C, CI = 0.33 µF, CO = 0.1µF, unless otherwise specified. (Note 1)
Characteristic
Output Voltage
Line Regulation
Load Regulation
Output Voltage
Quiescent Current
Quiescent Current with line
Change
with load
Output Noise Voltage
Temperature Coefficient of VO
Ripple Rejection
Dropout Voltage
Symbol
Test Conditions
VO
∆VO
∆VO
VO
IQ
∆IQ
∆IQ
VN
TJ = 25 °C
TJ =25 °C
17.5V ≤ VI ≤ 30V
20V ≤ VI ≤ 30V
TJ =25 °C
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
17.5V ≤ VI ≤ 30V 1mA ≤ IO ≤ 40mA
17.5V ≤ VI ≤ VMAX 1mA ≤ IO ≤ 70mA
(Note 2)
TJ = 25 °C
20V ≤ VI ≤ 30V
1mA ≤ IO ≤ 40mA
TA = 25 °C, 10Hz ≤ f ≤ 100KHz
∆VO/∆T IO = 5mA
RR f = 120Hz, 18.5V ≤ VI ≤ 28.5V, TJ = 25 °C
VD TJ = 25 °C
Min Typ Max Unit
14.4 15 15.6 V
25 300 mV
20 250 mV
25 150 mV
12
75 mV
14.25
15.75 V
14.25
15.75 V
2.1 6.0 mA
1.5 mA
0.1 mA
90
µV/VO
-1.3
mV/ °C
34
60
dB
1.7
V
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