MC78L18ACZ Просмотр технического описания (PDF) - Boca Semiconductor
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MC78L18ACZ Datasheet PDF : 7 Pages
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MC78LXXA (LM78LXX, KA78LXXA)
FIXED VOLTAGE REGULATOR (POSITIVE)
LM78L18 ELECTRICAL CHARACTERISTICS
(VI = 27V, 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
21V ≤ VI ≤ 33V
22V ≤ VI ≤ 33V
1mA ≤ IO≤100mA
1mA ≤ IO ≤ 40mA
21V ≤ VI ≤ 33V
1mA ≤ IO ≤ 40mA
21V ≤ VI ≤ VMAX
(Note 2)
1mA ≤ IO ≤ 70mA
TJ = 25 °C
21V ≤ VI ≤ 33V
1mA ≤ IO ≤ 40mA
TA = 25 °C, 10Hz ≤ f ≤ 100KHz
∆VO/∆T IO = 5mA
RR f = 120Hz, 23V ≤ VI ≤ 33V, TJ = 25 °C
VD TJ = 25 °C
Min Typ
17.3 18
145
135
30
15
17.1
17.1
2.2
150
-1.8
34
48
1.7
Max Unit
18.7 V
300 mV
250 mV
170 mV
85 mV
18.9 V
18.9 V
6.0 mA
1.5 mA
0.1 mA
µV/VO
mV/ °C
dB
V
LM78L24 ELECTRICAL CHARACTERISTICS
(VI = 33V, 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
27V ≤ VI ≤ 38V
28V ≤ VI ≤ 38V
1mA ≤ IO ≤ 100mA
1mA ≤ IO ≤ 40mA
27V ≤ VI ≤ 38V
27V ≤ VI ≤ VMAX
(Note 2)
1mA ≤ IO ≤ 40mA
1mA ≤ IO ≤ 70mA
TJ = 2 5°C
28V ≤ VI ≤ 38V
1mA ≤ IO ≤ 40mA
TA = 25 °C, 10Hz ≤ f ≤ 100KHz
∆VO/∆T IO = 5mA
RR f = 120Hz, 28V ≤ VI ≤ 38V, TJ = 25 °C
VD TJ = 25 °C
Min Typ Max Unit
23
24
25
V
160 300 mV
150 250 mV
40 200 mV
20 100 mV
22.8
25.2 V
22.8
25.2 V
2.2 6.0 mA
1.5 mA
0.1 mA
200
µV/VO
-2.0
mV/ °C
34
45
dB
1.7
V
Notes
1. The maximum steady state usable output current and input voltage are very dependent on the heat sinking and/or lead
length of the package. The data above represent pulse test conditions with junction temperature as indicated at the initiation
of tests.
2. Power dissipation ≤ 0.75W.
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