MC78L00A Series
ELECTRICAL CHARACTERISTICS (VI = 27 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, 0°C < TJ < +125°C, unless otherwise noted.)
MC78L18AC
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
Line Regulation
(TJ = +25°C, IO = 40 mA)
21.4 Vdc ≤ VI ≤ 33 Vdc
20.7 Vdc ≤ VI ≤ 33 Vdc
22 Vdc ≤ VI ≤ 33 Vdc
21 Vdc ≤ VI ≤ 33 Vdc
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Output Voltage
(21.4 Vdc ≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(20.7 Vdc ≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(VI = 27 V, 1.0 mA ≤ IO ≤ 70 mA)
(VI = 27 V, 1.0 mA ≤ IO ≤ 70 mA)
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
Input Bias Current Change
(22 Vdc ≤ VI ≤ 33 Vdc)
(21 Vdc ≤ VI ≤ 33 Vdc)
(1.0 mA ≤ IO ≤ 40 mA)
Output Noise Voltage
(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 23 V ≤ VI ≤ 33 V, TJ = +25°C)
Dropout Voltage
(TJ = +25°C)
VO
17.3
18
18.7
Vdc
Regline
–
45
325
mV
–
Regload
–
–
VO
35
275
mV
30
170
15
85
Vdc
17.1
–
18.9
17.1
–
18.9
IIB
mA
–
3.1
6.5
–
–
6.0
∆IIB
mA
–
–
1.5
–
–
0.1
Vn
–
150
–
µV
RR
33
48
–
dB
VI – VO
–
1.7
–
Vdc
ELECTRICAL CHARACTERISTICS (VI = 33 V, IO = 40 mA, CI = 0.33 µF, CO = 0.1 µF, 0°C < TJ < +125°C, unless otherwise noted.)
MC78L24AC
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (TJ = +25°C)
Line Regulation
(TJ = +25°C, IO = 40 mA)
27.5 Vdc ≤ VI ≤ 38 Vdc
28 Vdc ≤ VI ≤ 80 Vdc
27 Vdc ≤ VI ≤ 38 Vdc
Load Regulation
(TJ = +25°C, 1.0 mA ≤ IO ≤ 100 mA)
(TJ = +25°C, 1.0 mA ≤ IO ≤ 40 mA)
Output Voltage
(28 Vdc ≤ VI ≤ 38 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(27 Vdc ≤ VI ≤ 38 Vdc, 1.0 mA ≤ IO ≤ 40 mA)
(28 Vdc ≤ VI = 33 Vdc, 1.0 mA ≤ IO ≤ 70 mA)
(27 Vdc ≤ VI ≤ 33 Vdc, 1.0 mA ≤ IO ≤ 70 mA)
Input Bias Current
(TJ = +25°C)
(TJ = +125°C)
Input Bias Current Change
(28 Vdc ≤ VI ≤ 38 Vdc)
(1.0 mA ≤ IO ≤ 40 mA)
Output Noise Voltage
(TA = +25°C, 10 Hz ≤ f ≤ 100 kHz)
Ripple Rejection (IO = 40 mA,
f = 120 Hz, 29 V ≤ VI ≤ 35 V, TJ = +25°C)
Dropout Voltage
(TJ = +25°C)
VO
23
24
25
Vdc
Regline
mV
–
–
–
Regload
–
–
VO
–
–
50
300
60
350
mV
40
200
20
100
Vdc
22.8
–
25.2
22.8
–
25.2
IIB
mA
–
3.1
6.5
–
–
6.0
∆IIB
mA
–
–
1.5
–
–
0.1
Vn
–
200
–
µV
RR
31
45
–
dB
VI – VO
–
1.7
–
Vdc
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