MC78L00A Series,
NCV78L05A
100 mA Positive Voltage
Regulators
The MC78L00A Series of positive voltage regulators are
inexpensive, easy–to–use devices suitable for a multitude of
applications that require a regulated supply of up to 100 mA. Like
their higher powered MC7800 and MC78M00 Series cousins, these
regulators feature internal current limiting and thermal shutdown
making them remarkably rugged. No external components are
required with the MC78L00 devices in many applications.
These devices offer a substantial performance advantage over the
traditional zener diode–resistor combination, as output impedance
and quiescent current are substantially reduced.
•
Wide Range of Available, Fixed Output Voltages
•
Low Cost
•
Internal Short Circuit Current Limiting
•
Internal Thermal Overload Protection
•
No External Components Required
•
Complementary Negative Regulators Offered (MC79L00A Series)
15k
Q1
3.8k
Q4
Q6
Q3
Q5
Q11
Q12
Q10
5.0k
3.0
0-25k
19k
C
Z1
420
Q2
Q7
1.0k
Ground
Q8
2.2k
Q9
2.85k
Output
Input
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1
TO–92
P SUFFIX
CASE 029
2
3
Pin: 1. Output
2. Ground
3. Input
8
1
SOP–8*
D SUFFIX
CASE 751
*SOP–8 is an internally modified SO–8 package. Pins
2, 3, 6, and 7 are electrically common to the die attach
flag. This internal lead frame modification decreases
package thermal resistance and increases power
dissipation capability when appropriately mounted on
a printed circuit board. SOP–8 conforms to all exter-
nal dimensions of the standard SO–8 package.
PIN CONNECTIONS
V
OUT
1
GND 2
GND 3
NC 4
(Top View)
8
7
6
5
V
IN
GND
GND
NC
1.2k
1.9k
ORDERING INFORMATION
Figure 1. Representative Schematic Diagram
Input
C
in
*
0.33µF
MC78LXXA
Output
C
O
**
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 10 of this data sheet.
Figure 2. Standard Application
A common ground is required between the input and the output voltages. The
input voltage must remain typically 2.0 V above the output voltage even during
the low point on the input ripple voltage.
* C
in
is required if regulator is located an appreciable distance from power
supply filter.
** C
O
is not needed for stability; however, it does improve transient response.
©
Semiconductor Components Industries, LLC, 2002
1
April, 2002 – Rev. 4
Publication Order Number:
MC78L00A/D
MC78L00A Series, NCV78L05A
MAXIMUM RATINGS
(T
A
= +125°C, unless otherwise noted.)
Rating
Input Voltage (2.6 V–8.0 V)
Input Voltage
(12 V–18 V)
Input Voltage
(24 V)
Storage Temperature Range
Operating Junction Temperature Range
Symbol
V
I
Value
30
35
40
–65 to +150
0 to +150
Unit
Vdc
T
stg
T
J
°C
°C
ELECTRICAL CHARACTERISTICS
(V
I
= 10 V, I
O
= 40 mA, C
I
= 0.33
µF,
C
O
= 0.1
µF,
–40°C < T
J
< +125°C (for MC78LXXAB,
NCV78L05A), 0°C < T
J
< +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L05AC, AB, NCV78L05A
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
7.0 Vdc
≤
V
I
≤
20 Vdc
8.0 Vdc
≤
V
I
≤
20 Vdc
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
Output Voltage
(7.0 Vdc
≤
V
I
≤
20 Vdc, 1.0 mA
≤
I
O
≤
40 mA)
(V
I
= 10 V, 1.0 mA
≤
I
O
≤
70 mA)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(8.0 Vdc
≤
V
I
≤
20 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 8.0 Vdc
≤
V
I
≤
18 V, T
J
= +25°C)
Dropout Voltage (T
J
= +25°C)
NOTE:
Symbol
V
O
Reg
line
–
–
Reg
load
–
–
V
O
4.75
4.75
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
41
–
–
–
40
49
1.7
1.5
0.1
–
–
–
µV
dB
Vdc
3.8
–
6.0
5.5
mA
–
–
5.25
5.25
mA
11
5.0
60
30
Vdc
55
45
150
100
mV
Min
4.8
Typ
5.0
Max
5.2
Unit
Vdc
mV
NCV78L05A: T
low
= –40°C, T
high
= +125°C. Guaranteed by design. NCV prefix is for automotive and other applications requiring
site and change control.
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MC78L00A Series, NCV78L05A
ELECTRICAL CHARACTERISTICS
(V
I
= 14 V, I
O
= 40 mA, C
I
= 0.33
µF,
C
O
= 0.1
µF,
–40°C < T
J
< +125°C (for MC78LXXAB),
0°C < T
J
< +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L08AC, AB
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
10.5 Vdc
≤
V
I
≤
23 Vdc
11 Vdc
≤
V
I
≤
23 Vdc
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
Output Voltage
(10.5 Vdc
≤
V
I
≤
23 Vdc, 1.0 mA
≤
I
O
≤
40 mA)
(V
I
= 14 V, 1.0 mA
≤
I
O
≤
70 mA)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(11 Vdc
≤
V
I
≤
23 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 12 V
≤
V
I
≤
23 V, T
J
= +25°C)
Dropout Voltage (T
J
= +25°C)
Symbol
V
O
Reg
line
–
–
Reg
load
–
–
V
O
7.6
7.6
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
37
–
–
–
60
57
1.7
1.5
0.1
–
–
–
µV
dB
Vdc
3.0
–
6.0
5.5
mA
–
–
8.4
8.4
mA
15
8.0
80
40
Vdc
20
12
175
125
mV
Min
7.7
Typ
8.0
Max
8.3
Unit
Vdc
mV
ELECTRICAL CHARACTERISTICS
(V
I
= 15 V, I
O
= 40 mA, C
I
= 0.33
µF,
C
O
= 0.1
µF,
–40°C < T
J
< +125°C (for MC78LXXAB),
0°C < T
J
< +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L09AC, AB
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
11.5 Vdc
≤
V
I
≤
24 Vdc
12 Vdc
≤
V
I
≤
24 Vdc
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
Output Voltage
(11.5 Vdc
≤
V
I
≤
24 Vdc, 1.0 mA
≤
I
O
≤
40 mA)
(V
I
= 15 V, 1.0 mA
≤
I
O
≤
70 mA)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(11 Vdc
≤
V
I
≤
23 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 13 V
≤
V
I
≤
24 V, T
J
= +25°C)
Dropout Voltage
(T
J
= +25°C)
Symbol
V
O
Reg
line
–
–
Reg
load
–
–
V
O
8.5
8.5
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
37
–
–
–
60
57
1.7
1.5
0.1
–
–
–
µV
dB
Vdc
3.0
–
6.0
5.5
mA
–
–
9.5
9.5
mA
15
8.0
90
40
Vdc
20
12
175
125
mV
Min
8.6
Typ
9.0
Max
9.4
Unit
Vdc
mV
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MC78L00A Series, NCV78L05A
ELECTRICAL CHARACTERISTICS
(V
I
= 19 V, I
O
= 40 mA, C
I
= 0.33
µF,
C
O
= 0.1
µF,
–40°C < T
J
< +125°C (for MC78LXXAB),
0°C < T
J
< +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L12AC, AB
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
14.5 Vdc
≤
V
I
≤
27 Vdc
16 Vdc
≤
V
I
≤
27 Vdc
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
Output Voltage
(14.5 Vdc
≤
V
I
≤
27 Vdc, 1.0 mA
≤
I
O
≤
40 mA)
(V
I
= 19 V, 1.0 mA
≤
I
O
≤
70 mA)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(16 Vdc
≤
V
I
≤
27 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 15 V
≤
V
I
≤
25 V, T
J
= +25°C)
Dropout Voltage
(T
J
= +25°C)
Symbol
V
O
Reg
line
–
–
Reg
load
–
–
V
O
11.4
11.4
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
37
–
–
–
80
42
1.7
1.5
0.1
–
–
–
µV
dB
Vdc
4.2
–
6.5
6.0
mA
–
–
12.6
12.6
mA
20
10
100
50
Vdc
120
100
250
200
mV
Min
11.5
Typ
12
Max
12.5
Unit
Vdc
mV
ELECTRICAL CHARACTERISTICS
(V
I
= 23 V, I
O
= 40 mA, C
I
= 0.33
µF,
C
O
= 0.1
µF,
–40°C < T
J
< +125°C (for MC78LXXAB),
S
0°C < T
J
< +125°C (for MC78LXXAC), unless otherwise noted.)
MC78L15AC, AB
Characteristics
Output Voltage (T
J
= +25°C)
Line Regulation
(T
J
= +25°C, I
O
= 40 mA)
17.5 Vdc
≤
V
I
≤
30 Vdc
20 Vdc
≤
V
I
≤
30 Vdc
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
Output Voltage
(17.5 Vdc
≤
V
I
≤
30 Vdc, 1.0 mA
≤
I
O
≤
40 mA)
(V
I
= 23 V, 1.0 mA
≤
I
O
≤
70 mA)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(20 Vdc
≤
V
I
≤
30 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 18.5 V
≤
V
I
≤
28.5 V, T
J
= +25°C)
Dropout Voltage
(T
J
= +25°C)
Symbol
V
O
Reg
line
–
–
Reg
load
–
–
V
O
14.25
14.25
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
34
–
–
–
90
39
1.7
1.5
0.1
–
–
–
µV
dB
Vdc
4.4
–
6.5
6.0
mA
–
–
15.75
15.75
mA
25
12
150
75
Vdc
130
110
300
250
mV
Min
14.4
Typ
15
Max
15.6
Unit
Vdc
mV
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MC78L00A Series, NCV78L05A
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
Output Voltage (T
J
= +25°C)
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
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
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)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(22 Vdc
≤
V
I
≤
33 Vdc)
(21 Vdc
≤
V
I
≤
33 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 23 V
≤
V
I
≤
33 V, T
J
= +25°C)
Dropout Voltage
(T
J
= +25°C)
Symbol
V
O
Min
17.3
Typ
18
Max
18.7
Unit
Vdc
Reg
line
–
–
45
35
30
15
325
275
mV
Reg
load
–
–
V
O
17.1
17.1
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
33
–
–
–
150
48
1.7
1.5
0.1
–
–
–
3.1
–
6.5
6.0
–
–
18.9
18.9
170
85
mV
Vdc
mA
mA
µV
dB
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
Output Voltage (T
J
= +25°C)
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
Load Regulation
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
100 mA)
(T
J
= +25°C, 1.0 mA
≤
I
O
≤
40 mA)
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)
Input Bias Current
(T
J
= +25°C)
(T
J
= +125°C)
Input Bias Current Change
(28 Vdc
≤
V
I
≤
38 Vdc)
(1.0 mA
≤
I
O
≤
40 mA)
Output Noise Voltage
(T
A
= +25°C, 10 Hz
≤
f
≤
100 kHz)
Ripple Rejection (I
O
= 40 mA,
f = 120 Hz, 29 V
≤
V
I
≤
35 V, T
J
= +25°C)
Dropout Voltage
(T
J
= +25°C)
Symbol
V
O
Reg
line
–
–
–
Reg
load
–
–
V
O
22.8
22.8
I
IB
–
–
∆I
IB
–
–
V
n
RR
V
I
– V
O
–
31
–
–
–
200
45
1.7
1.5
0.1
–
–
–
µV
dB
Vdc
3.1
–
6.5
6.0
mA
–
–
25.2
25.2
mA
40
20
200
100
Vdc
–
50
60
–
300
350
mV
Min
23
Typ
24
Max
25
Unit
Vdc
mV
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