Datasheet
MC78L00A Series, NCV78L05A
http://onsemi.com
5
ELECTRICAL CHARACTERISTICS (V
I
= 27 V, I
O
= 40 mA, C
I
= 0.33 µF, C
O
= 0.1 µF, 0°C < T
J
< +125°C, unless otherwise noted.)
MC78L18AC
Characteristics Symbol Min Typ Max Unit
Output Voltage (T
J
= +25°C) V
O
17.3 18 18.7 Vdc
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
21.4 Vdc ≤ V
I
≤ 33 Vdc
20.7 Vdc ≤ V
I
≤ 33 Vdc
22 Vdc ≤ V
I
≤ 33 Vdc
21 Vdc ≤ V
I
≤ 33 Vdc
Reg
line
–
–
45
35
325
275
mV
Load Regulation
(T
J
= +25°C, 1.0 mA ≤ I
O
≤ 100 mA)
(T
J
= +25°C, 1.0 mA ≤ I
O
≤ 40 mA)
Reg
load
–
–
30
15
170
85
mV
Output Voltage
(21.4 Vdc ≤ V
I
≤ 33 Vdc, 1.0 mA ≤ I
O
≤ 40 mA)
(20.7 Vdc ≤ V
I
≤ 33 Vdc, 1.0 mA ≤ I
O
≤ 40 mA)
(V
I
= 27 V, 1.0 mA ≤ I
O
≤ 70 mA)
(V
I
= 27 V, 1.0 mA ≤ I
O
≤ 70 mA)
V
O
17.1
17.1
–
–
18.9
18.9
Vdc
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
I
IB
–
–
3.1
–
6.5
6.0
mA
Input Bias Current Change
(22 Vdc ≤ V
I
≤ 33 Vdc)
(21 Vdc ≤ V
I
≤ 33 Vdc)
(1.0 mA ≤ I
O
≤ 40 mA)
∆I
IB
–
–
–
–
1.5
0.1
mA
Output Noise Voltage
(T
A
= +25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
– 150 – µV
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 23 V ≤ V
I
≤ 33 V, T
J
= +25°C)
RR 33 48 – dB
Dropout Voltage
(T
J
= +25°C)
V
I
– V
O
– 1.7 – Vdc
ELECTRICAL CHARACTERISTICS (V
I
= 33 V, I
O
= 40 mA, C
I
= 0.33 µF, C
O
= 0.1 µF, 0°C < T
J
< +125°C, unless otherwise noted.)
MC78L24AC
Characteristics Symbol Min Typ Max Unit
Output Voltage (T
J
= +25°C) V
O
23 24 25 Vdc
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
27.5 Vdc ≤ V
I
≤ 38 Vdc
28 Vdc ≤ V
I
≤ 80 Vdc
27 Vdc ≤ V
I
≤ 38 Vdc
Reg
line
–
–
–
–
50
60
–
300
350
mV
Load Regulation
(T
J
= +25°C, 1.0 mA ≤ I
O
≤ 100 mA)
(T
J
= +25°C, 1.0 mA ≤ I
O
≤ 40 mA)
Reg
load
–
–
40
20
200
100
mV
Output Voltage
(28 Vdc ≤ V
I
≤ 38 Vdc, 1.0 mA ≤ I
O
≤ 40 mA)
(27 Vdc ≤ V
I
≤ 38 Vdc, 1.0 mA ≤ I
O
≤ 40 mA)
(28 Vdc ≤ V
I
=
33 Vdc, 1.0 mA ≤ I
O
≤ 70 mA)
(27 Vdc ≤ V
I
≤ 33 Vdc, 1.0 mA ≤ I
O
≤ 70 mA)
V
O
22.8
22.8
–
–
25.2
25.2
Vdc
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
I
IB
–
–
3.1
–
6.5
6.0
mA
Input Bias Current Change
(28 Vdc ≤ V
I
≤ 38 Vdc)
(1.0 mA ≤ I
O
≤ 40 mA)
∆I
IB
–
–
–
–
1.5
0.1
mA
Output Noise Voltage
(T
A
= +25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
– 200 – µV
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 29 V ≤ V
I
≤ 35 V, T
J
= +25°C)
RR 31 45 – dB
Dropout Voltage
(T
J
= +25°C)
V
I
– V
O
– 1.7 – Vdc