MC78M12CDT/RK [ONSEMI]
12V FIXED POSITIVE REGULATOR, PSSO2, PLASTIC, DPAK-3;
| 型号： | MC78M12CDT/RK |
| 厂家： | 
ONSEMI |
| 描述： | 12V FIXED POSITIVE REGULATOR, PSSO2, PLASTIC, DPAK-3 线性稳压器IC 调节器 电源电路 输出元件 |
| 文件： | 总16页 (文件大小：154K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
MC78M00, MC78M00A
Series
500 mA Positive Voltage
Regulators
The MC78M00/MC78M00A Series positive voltage regulators are
identical to the popular MC7800 Series devices, except that they are
specified for only half the output current. Like the MC7800 devices,
the MC78M00 three−terminal regulators are intended for local,
on−card voltage regulation.
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MARKING
DIAGRAMS
Internal current limiting, thermal shutdown circuitry and safe−area
compensation for the internal pass transistor combine to make these
devices remarkably rugged under most operating conditions.
Maximum output current, with adequate heatsinking is 500 mA.
TO−220
T SUFFIX
CASE 221A
MC
78MxxXXT
AWLYWWG
Heatsink surface
connected to Pin 2.
Features
1
2
• No External Components Required
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe−Area Compensation
• MC78M00A High Accuracy ( 2%)
Available for 5.0 V, 8.0 V, 12 V and 15 V
• Pb−Free Packages are Available*
3
xx = Voltage Option
XX = Appropriate Suffix Options
= Assembly Location
WL = Wafer Lot
= Year
WW = Work Week
= Pb−Free Package
A
Y
G
4
xxxxxG
ALYWW
DPAK−3
DT SUFFIX
CASE 369C
Input
1.0 k
1.0 k
210
2
1
3
6.7
V
16 k
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
100
200
300
1.0 k
3.0 k
xxxxx = Device Type and Voltage Option Code
3.6
k
A
L
Y
= Assembly Location
= Wafer Lot
= Year
300
6.4
k
5.6 k
0.24
WW = Work Week
= Pb−Free Package
13
G
50
200
Output
40
pF
Pin 1. Input
2. Ground
3. Output
6.0 k
2.0 k
3.9 k
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 10−14 of this data sheet.
6.0
k
2.8 k
GND
DEVICE MARKING INFORMATION
See general marking information in the device marking
This device contains 28 active transistors.
section on page 10 of this data sheet.
Figure 1. Representative Schematic Diagram
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
1
Publication Order Number:
November, 2005 − Rev. 16
MC78M00/D
MC78M00, MC78M00A Series
MAXIMUM RATINGS (T = 25°C, unless otherwise noted) (Note 1)
A
Rating
Symbol
Value
35
Unit
Input Voltage (5.0 V−18 V)
(20 V−24V)
V
I
Vdc
40
Power Dissipation (Package Limitation)
Plastic Package, T Suffix
T = 25°C
A
P
D
Internally Limited
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Plastic Package, DT Suffix
q
70
°C/W
°C/W
JA
JC
q
5.0
T = 25°C
P
Internally Limited
A
D
JA
JC
Thermal Resistance, Junction−to−Air
Thermal Resistance, Junction−to−Case
Operating Junction Temperature Range
Storage Temperature Range
q
q
92
5.0
°C/W
°C/W
°C
T
+150
J
T
stg
−65 to +150
°C
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
1. This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL−STD−883, Method 3015.
Machine Model Method 200 V.
MC78M05C/AC/B/AB ELECTRICAL CHARACTERISTICS (V = 10 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 2)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
V
O
Vdc
J
MC78M05C
MC78M05AC
4.8
4.9
5.0
5.0
5.2
5.1
Output Voltage Variation
V
O
Vdc
(7.0 Vdc ≤ V ≤ 20 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
MC78M05C
MC78M05AC
4.75
4.80
−
−
5.25
5.20
Line Regulation
(T = 25°C, 7.0 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
J
Reg
−
3.0
50
mV
mV
line
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
20
10
100
50
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
I
−
3.2
6.0
mA
mA
J
IB
Quiescent Current Change
DI
IB
(8.0 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
−
−
−
−
0.8
0.5
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
−
40
−
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 8.0 V ≤ V ≤ 18 V)
62
62
−
80
−
−
O
I
(I = 300 mA, f = 120 Hz, 8.0 ≤ V ≤ 18 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
−
2.0
−
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
I
−
−
50
−
−
mA
J
I
OS
Average Temperature Coefficient of Output Voltage
DV /DT
0.2
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
2. T = 0°C for MC78MxxAC, C
T
high
= +125°C for MC78MxxAB, AC, B, C
low
= −40°C for MC78MxxAB, B
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2
MC78M00, MC78M00A Series
MC78M06C ELECTRICAL CHARACTERISTICS (V = 11 V, I = 350 mA, 0°C < T < 125°C, P ≤ 5.0 W, unless otherwise noted)
I
O
J
D
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
Output Voltage Variation
V
5.75
5.7
6.0
−
6.25
6.3
Vdc
Vdc
J
O
V
O
(8.0 Vdc ≤ V ≤ 21 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
Line Regulation
Reg
−
5.0
50
mV
mV
line
(T = 25°C, 8.0 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
J
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
20
10
120
60
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
Quiescent Current Change
I
−
3.2
6.0
mA
mA
J
IB
DI
IB
(9.0 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
−
−
−
−
−
0.8
0.5
−
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
45
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 9.0 V ≤ V ≤ 19 V)
59
59
−
80
−
−
O
I
(I = 300 mA, f = 120 Hz, 9.0 V ≤ V ≤ 19 V, T = 25°C)
O
I
J
Dropout Voltage
V − V
−
2.0
−
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
Average Temperature Coefficient of Output Voltage
I
−
−
50
−
−
mA
J
I
OS
DV /DT
0.2
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
MC78M08C/AC/B/AB ELECTRICAL CHARACTERISTICS (V = 14 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 3)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
V
O
Vdc
J
MC78M08C
MC78M08AC
7.70
7.84
8.0
8.0
8.30
8.16
Output Voltage Variation
V
O
Vdc
(10.5 Vdc ≤ V ≤ 23 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
MC78M08C
MC78M08AC
7.6
7.7
−
−
−
8.4
8.3
50
Line Regulation
Reg
6.0
mV
mV
line
(T = 25°C, 10.5 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
Load Regulation
J
I
O
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
25
10
160
80
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
I
−
3.2
6.0
mA
mA
J
IB
Quiescent Current Change
DI
IB
(10.5 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
−
−
−
−
0.8
0.5
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
−
52
−
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 11.5 V ≤V ≤ 21.5 V)
56
56
−
80
−
−
O
I
(I = 300 mA, f = 120 Hz, 11.5 V ≤V ≤ 21.5 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
−
2.0
−
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
I
−
−
50
−
−
mA
J
I
OS
Average Temperature Coefficient of Output Voltage
DV /DT
0.2
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
3. T = 0°C for MC78MxxAC, C
T
high
= +125°C for MC78MxxAB, AC, B, C
low
= −40°C for MC78MxxAB, B
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3
MC78M00, MC78M00A Series
MC78M09C/B ELECTRICAL CHARACTERISTICS (V = 15 V, I = 350 mA, T = T to T , P ≤ 5.0 W, unless otherwise
I
O
J
low
high
D
noted) (Note 4)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
Output Voltage Variation
V
8.64
8.55
9.0
−
9.45
9.45
Vdc
Vdc
J
O
V
O
(11.5 Vdc ≤ V ≤ 23 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
Line Regulation
Reg
−
6.0
50
mV
mV
line
(T = 25°C, 11.5 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
J
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
25
10
180
90
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
Quiescent Current Change
I
−
3.2
6.0
mA
mA
J
IB
DI
IB
(11.5 Vdc ≤ V ≤ 25 Vdc, I = 200 mA)
−
−
−
−
0.8
0.5
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
−
52
−
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 12.5 V ≤V ≤ 22.5 V)
56
56
−
−
80
2.0
−
−
−
O
I
(I = 300 mA, f = 120 Hz, 12.5 V ≤V ≤ 22.5 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
Average Temperature Coefficient of Output Voltage
I
−
−
50
−
−
mA
J
I
OS
DV /DT
0.2
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
MC78M12C/AC/B/AB ELECTRICAL CHARACTERISTICS (V = 19 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 4)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
V
O
Vdc
J
MC78M12C
MC78M12AC
11.50
11.76
12
12
12.50
12.24
Output Voltage Variation
V
O
Vdc
(14.5 Vdc ≤ V ≤ 27 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
MC78M12C
MC78M12AC
11.4
11.5
−
−
12.6
12.5
Line Regulation
Reg
−
8.0
50
mV
mV
line
(T = 25°C, 14.5 Vdc ≤ V ≤ 30 Vdc, I = 200 mA)
J
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
−
25
10
240
120
6.0
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
I
IB
3.2
mA
mA
J
Quiescent Current Change
DI
IB
(14.5 Vdc ≤ V ≤ 30 Vdc, I = 200 mA)
−
−
−
−
0.8
0.5
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
−
75
−
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 15 V ≤V ≤ 25 V)
55
55
−
−
80
2.0
−
−
−
O
I
(I = 300 mA, f = 120 Hz, 15 V ≤V ≤ 25 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
Average Temperature Coefficient of Output Voltage
I
−
−
50
−
−
mA
J
I
OS
DV /DT
0.3
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
4. T = 0°C for MC78MxxAC, C
T
high
= +125°C for MC78MxxAB, AC, B, C
low
= −40°C for MC78MxxAB, B
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4
MC78M00, MC78M00A Series
MC78M15C/AC/B/AB ELECTRICAL CHARACTERISTICS (V = 23 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 5)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
V
O
Vdc
J
MC78M15C
MC78M15AC
14.4
14.7
15
15
15.6
15.3
Output Voltage Variation
V
O
Vdc
(17.5 Vdc ≤ V ≤ 30 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
MC78M15C
MC78M15AC
14.25
14.40
−
−
−
15.75
15.60
50
Input Regulation
Reg
10
mV
mV
line
(T = 25°C, 17.5 Vdc ≤ V ≤ 30 Vdc, I = 200 mA)
Load Regulation
J
I
O
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
−
25
10
300
150
6.0
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
I
IB
3.2
mA
mA
J
Quiescent Current Change
DI
IB
(17.5 Vdc ≤ V ≤ 30 Vdc, I = 200 mA)
−
−
−
−
−
0.8
0.5
−
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
90
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 18.5 V ≤ V ≤ 28.5 V)
54
54
−
70
−
−
O
I
(I = 300 mA, f = 120 Hz, 18.5 V ≤ V ≤ 28.5 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
−
2.0
−
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
Average Temperature Coefficient of Output Voltage
I
−
−
50
−
−
mA
J
I
OS
DV /DT
0.3
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
MC78M18C/B ELECTRICAL CHARACTERISTICS (V = 27 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 5)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
Output Voltage Variation
V
17.3
17.1
18
−
18.7
18.9
Vdc
Vdc
J
O
V
O
(21 Vdc ≤ V ≤ 33 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
Line Regulation
Reg
−
10
50
mV
mV
line
(T = 25°C, 21 Vdc ≤ V ≤ 33 Vdc, I = 200 mA)
J
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
30
10
360
180
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
Quiescent Current Change
I
−
3.2
6.5
mA
mA
J
IB
DI
IB
(21 Vdc ≤ V ≤ 33 Vdc, I = 200 mA)
−
−
−
−
−
0.8
0.5
−
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
100
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 22 V ≤ V ≤ 32 V)
53
53
−
−
70
2.0
−
−
−
O
I
(I = 300 mA, f = 120 Hz, 22 V ≤ V ≤ 32 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
Average Temperature Coefficient of Output Voltage
I
−
−
50
−
−
mA
J
I
OS
DV /DT
0.3
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
5. T = 0°C for MC78MxxAC, C
T
high
= +125°C for MC78MxxAB, AC, B, C
low
= −40°C for MC78MxxAB, B
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5
MC78M00, MC78M00A Series
MC78M20C/B ELECTRICAL CHARACTERISTICS (V = 29 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 6)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
V
19.2
19
20
−
20.8
21
Vdc
Vdc
J
O
Output Voltage Variation
V
O
(23 Vdc ≤ V ≤ 35 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
Line Regulation
(T = 25°C, 23 Vdc ≤ V ≤ 35 Vdc, I = 200 mA)
J
Reg
−
10
50
mV
mV
line
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
30
10
400
200
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
I
−
3.2
6.5
mA
mA
J
IB
Quiescent Current Change
DI
IB
(23 Vdc ≤ V ≤ 35 Vdc, I = 200 mA)
−
−
−
−
0.8
0.5
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
−
110
−
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 24 V ≤ V ≤ 34 V)
52
52
−
70
−
−
O
I
(I = 300 mA, f = 120 Hz, 24 V ≤ V ≤ 34 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
−
2.0
−
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C, V = 35 V)
I
−
−
50
−
−
mA
J
I
OS
Average Temperature Coefficient of Output Voltage
DV /DT
0.5
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
MC78M24C/B ELECTRICAL CHARACTERISTICS (V = 33 V, I = 350 mA, T = T to T , P ≤ 5.0 W,
I
O
J
low
high
D
unless otherwise noted) (Note 6)
Characteristics
Symbol
Min
Typ
Max
Unit
Output Voltage (T = 25°C)
V
23
24
−
25
Vdc
Vdc
J
O
Output Voltage Variation
V
O
22.8
25.2
(27 Vdc ≤ V ≤ 38 Vdc, 5.0 mA ≤ I ≤ 350 mA)
I
O
Line Regulation
(T = 25°C, 27 Vdc ≤ V ≤ 38 Vdc, I = 200 mA)
J
Reg
−
10
50
mV
mV
line
I
O
Load Regulation
Reg
load
(T = 25°C, 5.0 mA ≤ I ≤ 500 mA)
−
−
30
10
480
240
J
O
(T = 25°C, 5.0 mA ≤ I ≤ 200 mA)
J
O
Input Bias Current (T = 25°C)
I
−
3.2
7.0
mA
mA
J
IB
Quiescent Current Change
DI
IB
(27 Vdc ≤ V ≤ 38 Vdc, I = 200 mA)
−
−
−
−
0.8
0.5
I
O
(5.0 mA ≤ I ≤ 350 mA)
O
Output Noise Voltage (T = 25°C, 10 Hz ≤ f ≤ 100 kHz)
V
n
−
170
−
mV
A
Ripple Rejection
RR
dB
(I = 100 mA, f = 120 Hz, 28 V ≤ V ≤ 38 V)
50
50
−
70
−
−
O
I
(I = 300 mA, f = 120 Hz, 28 V ≤ V ≤ 38 V, T = 25°C)
O
I
J
Dropout Voltage
V −V
−
2.0
−
Vdc
I
O
(T = 25°C)
J
Short Circuit Current Limit (T = 25°C)
I
−
−
50
−
−
mA
J
OS
Average Temperature Coefficient of Output Voltage
DV /DT
0.5
mV/°C
O
(I = 5.0 mA)
O
Peak Output Current
I
O
−
700
−
mA
(T = 25°C)
J
6. T = 0°C for MC78MxxAC, C
T
high
= +125°C for MC78MxxAB, AC, B, C
low
= −40°C for MC78MxxAB, B
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6
MC78M00, MC78M00A Series
DEFINITIONS
Line Regulation − The change in output voltage for a
Input Bias Current − That part of the input current that
change in the input voltage. The measurement is made under
conditions of low dissipation or by using pulse techniques
such that the average chip temperature is not significantly
affected.
is not delivered to the load.
Output Noise Voltage − The rms AC voltage at the
output, with constant load and no input ripple, measured
over a specified frequency range.
Load Regulation − The change in output voltage for a
change in load current at constant chip temperature.
Long Term Stability − Output voltage stability under
accelerated life test conditions with the maximum rated
voltage listed in the devices’ electrical characteristics and
maximum power dissipation.
Maximum Power Dissipation − The maximum total
device dissipation for which the regulator will operate
within specifications.
2.4
100
P
for T = 50°C
D(max)
A
Free Air
Mounted
Vertically
2.0
90
80
70
60
50
40
2.0 oz. Copper
1.6
L
Minimum
Size Pad
1.2
L
0.8
0.4
0
R
q
JA
0
5.0
10
15
20
25
30
L, LENGTH OF COPPER (mm)
Figure 2. DPAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
10
Infinite Heat
Sink
q
= 10°C/W
HS
5.0
3.0
2.0
q
= 20°C/W
HS
No Heat Sink
1.0
0.5
0.3
0.2
q
P
= 5°C/W
= 7.52 W
D(max)
JC
0.1
25
50
75
100
125
150
T , AMBIENT TEMPERATURE (°C)
A
Figure 3. Worst Case Power Dissipation
versus Ambient Temperature (TO−220)
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7
MC78M00, MC78M00A Series
2.5
2.0
1.5
1.0
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
T = 25°C
J
I = 500 mA
O
I = 100 mA
O
T = 125°C
J
I = 10 mA
O
0.5
0
DV = 100 mV
O
0
5.0
10
15
20
25
30
35
40
0
25
50
75
100
125
150
V − V , DROPOUT VOLTAGE (V)
I O
T , JUNCTION TEMPERATURE (°C)
J
Figure 4. Peak Output Current versus
Dropout Voltage
Figure 5. Dropout Voltage versus
Junction Temperature
100
100
80
60
40
20
I
= 500 mA
out
80
60
I
= 500 mA
= 5.0 V
out
V
= 5.0 V
V = 10 V
out
V
out
V = 10 V
C = 0
O
T = 25°C
in
C = 0
in
O
f = 120 Hz
J
T = 25°C
J
40
30
1.0
10
100
1.0 k 10 k 100 k 1.0 M 10 M 100 M
f, FREQUENCY (Hz)
0.01
0.1
0.5 1.0
10
I , OUTPUT CURRENT (A)
O
Figure 6. Ripple Rejection versus Frequency
Figure 7. Ripple Rejection versus Output Current
5.0
4.0
3.0
2.0
1.0
0
4.0
T = 25°C
J
T = 25°C
J
3.0
2.0
T = 125°C
J
T = 125°C
J
T = 25°C
J
V = 5.0 V
O
I = 0.5 A
1.0
0
O
V −V = 5.0 V
I O
T = 125°C
J
0
5.0
10
15
20
25
30
35
40
0.01
0.1
0.5 1.0
10
V , INPUT VOLTAGE (Vdc)
I
I , OUTPUT CURRENT (A)
O
Figure 8. Bias Current versus Input Voltage
Figure 9. Bias Current versus Output Current
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8
MC78M00, MC78M00A Series
APPLICATIONS INFORMATION
Design Considerations
regulator is connected to the power supply filter with long
wire lengths, or if the output load capacitance is large. An
input bypass capacitor should be selected to provide good
high frequency characteristics to insure stable operation
under all load conditions. A 0.33 mF or larger tantalum,
mylar, or other capacitor having low internal impedance at
high frequencies should be chosen. The bypass capacitor
should be mounted with the shortest possible leads directly
across the regulator’s input terminals. Normally good
construction techniques should be used to minimize ground
loops and lead resistance drops since the regulator has no
external sense lead.
The MC78M00/MC78M00A Series of fixed voltage
regulators are designed with Thermal Overload Protection
that shuts down the circuit when subjected to an excessive
power overload condition, Internal Short Circuit Protection
that limits the maximum current the circuit will pass, and
Output Transistor Safe−Area Compensation that reduces the
output short circuit current as the voltage across the pass
transistor is increased.
In many low current applications, compensation
capacitors are not required. However, it is recommended
that the regulator input be bypassed with a capacitor if the
V , 7.0 V to 20 V
O
V −V ≥ 2.0 V
in out
MC78M05C
Input
R
0.33 mF
Constant
Current to
Grounded
Load
Output
MC78M05C
Input
I
O
7
2
3
*
The MC78M00 regulators can also be used as a current source
when connected as above. In order to minimize dissipation the
MC78M05C is chosen in this application. Resistor R determines
the current as follows:
0.33 mF
0.1 mF
6
10 k
+
1.0 k
4
MC1741
5.0 V
R
I
O
=
+ I
IB
I
IB
= 1.5 mA over line and load changes.
The addition of an operational amplifier allows adjustment to higher
or intermediate values while retaining regulation characteristics.
The minimum voltage obtainable with this arrangement is 2.0 V
greater than the regulator voltage.
For example, a 500 mA current source would require R to be a
10ꢀW, 10 W resistor and the output voltage compliance would be
the input voltage less 7.0 V.
Figure 10. Current Regulator
Figure 11. Adjustable Output Regulator
MJ2955
or Equiv.
MJ2955 or Equiv.
R
SC
Input
Input
R
2N6049
or Equiv.
MC78MXXC
Output
R
MC78MXXC
1.0 mF
1.0 mF
Output
1.0 mF
XX = 2 digits of type number indicating voltage.
XX = 2 digits of type number indicating voltage.
The circuit of Figure 12 can be modified to provide supply protection
against short circuits by adding a short circuit sense resistor, R ,
and an additional PNP transistor. The current sensing PNP must be
able to handle the short circuit current of the three−terminal
regulator .Therefore, a 4.0 A plastic power transistor is specified.
The MC78M00 series can be current boosted with a PNP
transistor. The MJ2955 provides current to 5.0 A. Resistor R in
conjunction with the V of the PNP determines when the pass
sc
BE
transistor begins conducting; this circuit is not short circuit
proof. Input−output differential voltage minimum is increased
by V of the pass transistor.
BE
Figure 12. Current Boost Regulator
Figure 13. Current Boost with
Short Circuit Protection
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9
MC78M00, MC78M00A Series
ORDERING INFORMATION
Output
Voltage
†
Device
MC78M05CDT
MC78M05CDTG
Temperature Range
Package
Marking
78M05
78M05
Shipping
DPAK−3
75 Units / Rail
2500 Units / Tape & Reel
75 Units / Rail
DPAK−3
(Pb−Free)
MC78M05CDTRK
MC78M05CDTRKG
DPAK−3
78M05
78M05
DPAK−3
(Pb−Free)
MC78M05ACDT
DPAK−3
8M05D
8M05D
MC78M05ACDTG
DPAK−3
(Pb−Free)
T = 0° to +125°C
J
MC78M05ACDTRK
MC78M05ACDTRKG
DPAK−3
8M05D
8M05D
2500 Units / Tape & Reel
50 Units / Rail
DPAK−3
(Pb−Free)
MC78M05CT
TO−220
78M05CT
78M05CT
MC78M05CTG
TO−220
(Pb−Free)
MC78M05ACT
TO−220
78M05ACT
78M05ACT
50 Units / Rail
MC78M05ACTG
TO−220
(Pb−Free)
5.0 V
MC78M05ABDT
DPAK−3
8M05A
8M05A
75 Units / Rail
MC78M05ABDTG
DPAK−3
(Pb−Free)
MC78M05ABDTRK
MC78M05ABDTRKG
DPAK−3
8M05A
8M05A
2500 Units / Tape & Reel
50 Units / Rail
DPAK−3
(Pb−Free)
MC78M05ABT
TO−220
78M05ABT
78M05ABT
MC78M05ABTG
TO−220
(Pb−Free)
T = −40° to +125°C
J
MC78M05BDT
DPAK−3
8M05B
8M05B
75 Units / Rail
MC78M05BDTG
DPAK−3
(Pb−Free)
MC78M05BDTRK
MC78M05BDTRKG
DPAK−3
8M05B
8M05B
2500 Units / Tape & Reel
50 Units / Rail
DPAK−3
(Pb−Free)
MC78M05BT
TO−220
78M05BT
78M05BT
MC78M05BTG
TO−220
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
10
MC78M00, MC78M00A Series
ORDERING INFORMATION
Output
Voltage
†
Device
MC78M06CDT
MC78M06CDTG
Temperature Range
Package
Marking
78M06
78M06
Shipping
DPAK−3
75 Units / Rail
DPAK−3
(Pb−Free)
MC78M06CDTRK
MC78M06CDTRKG
DPAK−3
78M06
78M06
T = 0° to +125°C
J
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
6.0 V
MC78M06CT
TO−220
78M06CT
78M06CT
MC78M06CTG
TO−220
(Pb−Free)
50 Units / Rail
MC78M06BT
TO−220
78M06BT
78M06BT
T = −40° to +125°C
J
MC78M06BTG
TO−220
(Pb−Free)
MC78M08CDT
DPAK−3
78M08
78M08
75 Units / Rail
2500 Units / Tape & Reel
75 Units / Rail
MC78M08CDTG
DPAK−3
(Pb−Free)
MC78M08CDTRK
MC78M08CDTRKG
DPAK−3
78M08
78M08
DPAK−3
(Pb−Free)
MC78M08ACDT
DPAK−3
8M08D
8M08D
MC78M08ACDTG
DPAK−3
(Pb−Free)
T = 0° to +125°C
J
MC78M08ACDTRK
MC78M08ACDTRKG
DPAK−3
8M08D
8M08D
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
MC78M08CT
TO−220
78M08CT
78M08CT
MC78M08CTG
TO−220
(Pb−Free)
50 Units / Rail
MC78M08ACT
TO−220
78M08ACT
78M08ACT
MC78M08ACTG
TO−220
(Pb−Free)
8.0 V
MC78M08ABDT
DPAK−3
DPAK−3
DPAK−3
8M08A
8M08A
8M08A
8M08A
75 Units / Rail
MC78M08ABDTG
MC78M08ABDTRK
MC78M08ABDTRKG
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
MC78M08ABT
TO−220
78M08ABT
78M08ABT
50 Units / Rail
75 Units / Rail
MC78M08ABTG
TO−220
(Pb−Free)
T = −40° to +125°C
J
MC78M08BDT
DPAK−3
8M08B
8M08B
MC78M08BDTG
DPAK−3
(Pb−Free)
MC78M08BDTRK
MC78M08BDTRKG
DPAK−3
8M08B
8M08B
2500 Units / Tape & Reel
50 Units / Rail
DPAK−3
(Pb−Free)
MC78M08BT
TO−220
78M08BT
78M08BT
MC78M08BTG
TO−220
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
11
MC78M00, MC78M00A Series
ORDERING INFORMATION
Output
Voltage
†
Device
MC78M09CDT
MC78M09CDTG
Temperature Range
Package
Marking
78M09
78M09
Shipping
DPAK−3
75 Units / Rail
75 Units / Rail
DPAK−3
(Pb−Free)
MC78M09CDTRK
MC78M09CDTRKG
DPAK−3
78M09
78M09
2500 Units / Tape & Reel
2500 Units / Tape & Reel
T = 0° to +125°C
J
DPAK−3
(Pb−Free)
MC78M09CT
TO−220
78M09CT
78M09CT
50 Units / Rail
50 Units / Rail
9.0 V
MC78M09CTG
TO−220
(Pb−Free)
MC78M09BDT
DPAK−3
8M09B
8M09B
75 Units / Rail
75 Units / Rail
MC78M09BDTG
DPAK−3
(Pb−Free)
T = −40° to +125°C
J
MC78M09BDTRK
MC78M09BDTRKG
DPAK−3
8M09B
8M09B
2500 Units / Tape & Reel
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
MC78M12CDT
DPAK−3
78M12
78M12
75 Units / Rail
2500 Units / Tape & Reel
75 Units / Rail
MC78M12CDTG
DPAK−3
(Pb−Free)
MC78M12CDTRK
MC78M12CDTRKG
DPAK−3
78M12
78M12
DPAK−3
(Pb−Free)
MC78M12ACDT
DPAK−3
8M12D
8M12D
MC78M12ACDTG
DPAK−3
(Pb−Free)
T = 0° to +125°C
J
MC78M12ACDTRK
MC78M12ACDTRKG
DPAK−3
8M12D
8M12D
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
MC78M12CT
TO−220
TO−220
TO−220
78M12CT
78M12CT
78M12ACT
78M12ACT
MC78M12CTG
MC78M12ACT
MC78M12ACTG
50 Units / Rail
TO−220
(Pb−Free)
12 V
MC78M12ABDT
DPAK−3
8M12A
8M12A
75 Units / Rail
2500 Units / Tape & Reel
50 Units / Rail
MC78M12ABDTG
DPAK−3
(Pb−Free)
MC78M12ABDTRK
MC78M12ABDTRKG
DPAK−3
8M12A
8M12A
DPAK−3
(Pb−Free)
MC78M12ABT
TO−220
78M12ABT
78M12ABT
MC78M12ABTG
TO−220
(Pb−Free)
T = −40° to +125°C
J
MC78M12BDT
DPAK−3
8M12B
8M12B
75 Units / Rail
MC78M12BDTG
DPAK−3
(Pb−Free)
MC78M12BDTRK
MC78M12BDTRKG
DPAK−3
8M12B
8M12B
2500 Units / Tape & Reel
50 Units / Rail
DPAK−3
(Pb−Free)
MC78M12BT
TO−220
78M12BT
78M12BT
MC78M12BTG
TO−220
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
12
MC78M00, MC78M00A Series
ORDERING INFORMATION
Output
Voltage
†
Device
MC78M15CDT
MC78M15CDTG
Temperature Range
Package
Marking
78M15
78M15
Shipping
DPAK−3
75 Units / Rail
2500 Units / Tape & Reel
75 Units / Rail
DPAK−3
(Pb−Free)
MC78M15CDTRK
MC78M15CDTRKG
DPAK−3
78M15
78M15
DPAK−3
(Pb−Free)
MC78M15ACDT
DPAK−3
8M15D
8M15D
MC78M15ACDTG
DPAK−3
(Pb−Free)
T = 0° to +125°C
J
MC78M15ACDTRK
MC78M15ACDTRKG
DPAK−3
8M15D
8M15D
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
MC78M15CT
TO−220
78M15CT
78M15CT
MC78M15CTG
TO−220
(Pb−Free)
50 Units / Rail
MC78M15ACT
TO−220
78M15ACT
78M15ACT
MC78M15ACTG
TO−220
(Pb−Free)
15 V
MC78M15ABDT
DPAK−3
8M15A
8M15A
75 Units / Rail
2500 Units / Tape & Reel
50 Units / Rail
MC78M15ABDTG
DPAK−3
(Pb−Free)
MC78M15ABDTRK
MC78M15ABDTRKG
DPAK−3
8M15A
8M15A
DPAK−3
(Pb−Free)
MC78M15ABT
TO−220
78M15ABT
78M15ABT
MC78M15ABTG
TO−220
(Pb−Free)
T = −40° to +125°C
J
MC78M15BDT
DPAK−3
8M15B
8M15B
75 Units / Rail
MC78M15BDTG
DPAK−3
(Pb−Free)
MC78M15BDTRK
MC78M15BDTRKG
DPAK−3
8M15B
8M15B
2500 Units / Tape & Reel
50 Units / Rail
DPAK−3
(Pb−Free)
MC78M15BT
TO−220
78M15BT
78M15BT
MC78M15BTG
TO−220
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
13
MC78M00, MC78M00A Series
ORDERING INFORMATION
Output
Voltage
†
Device
MC78M18CDT
MC78M18CDTG
Temperature Range
Package
Marking
78M18
78M18
Shipping
DPAK−3
75 Units / Rail
DPAK−3
(Pb−Free)
MC78M18CDTRK
MC78M18CDTRKG
DPAK−3
78M18
78M18
T = 0° to +125°C
J
2500 Units / Tape & Reel
DPAK−3
(Pb−Free)
18 V
MC78M18CT
TO−220
78M18CT
78M18CT
MC78M18CTG
TO−220
(Pb−Free)
50 Units / Rail
MC78M18BT
T = −40° to +125°C
J
TO−220
78M18BT
78M18BT
MC78M18BTG
TO−220
(Pb−Free)
MC78M20CT
TO−220
78M20CT
78M20CT
T = 0° to +125°C
J
MC78M20CTG
TO−220
(Pb−Free)
20 V
MC78M20BT
MC78M24CT
MC78M24CTG
T = −40° to +125°C
TO−220
TO−220
78M20BT
78M24CT
78M24CT
J
50 Units / Rail
T = 0° to +125°C
J
TO−220
(Pb−Free)
24 V
MC78M24BT
TO−220
78M24BT
78M24BT
T = −40° to +125°C
J
MC78M24BTG
TO−220
(Pb−Free)
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
14
MC78M00, MC78M00A Series
PACKAGE DIMENSIONS
DPAK−3
DT SUFFIX
CASE 369C−01
ISSUE O
NOTES:
SEATING
−T−
1. DIMENSIONING AND TOLERANCING
PER ANSI Y14.5M, 1982.
PLANE
C
2. CONTROLLING DIMENSION: INCH.
B
R
INCHES
DIM MIN MAX
MILLIMETERS
E
V
MIN
5.97
6.35
2.19
0.69
0.46
0.94
MAX
6.22
6.73
2.38
0.88
0.58
1.14
A
B
C
D
E
F
G
H
J
0.235 0.245
0.250 0.265
0.086 0.094
0.027 0.035
0.018 0.023
0.037 0.045
0.180 BSC
0.034 0.040
0.018 0.023
0.102 0.114
0.090 BSC
4
2
Z
A
K
S
1
3
4.58 BSC
U
0.87
0.46
2.60
1.01
0.58
2.89
K
L
2.29 BSC
F
J
R
S
U
V
Z
0.180 0.215
0.025 0.040
4.57
0.63
0.51
0.89
3.93
5.45
1.01
−−−
1.27
−−−
L
H
0.020
0.035 0.050
0.155 −−−
−−−
D 2 PL
M
G
0.13 (0.005)
T
SOLDERING FOOTPRINT*
6.20
3.0
0.244
0.118
2.58
0.101
5.80
0.228
1.6
0.063
6.172
0.243
mm
inches
ǒ
Ǔ
SCALE 3:1
*For additional information on our Pb−Free strategy and soldering
details, please download the ON Semiconductor Soldering and
Mounting Techniques Reference Manual, SOLDERRM/D.
http://onsemi.com
15
MC78M00, MC78M00A Series
PACKAGE DIMENSIONS
TO−220
T SUFFIX
CASE 221A−09
ISSUE AA
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
SEATING
PLANE
−T−
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION Z DEFINES A ZONE WHERE ALL
BODY AND LEAD IRREGULARITIES ARE
ALLOWED.
C
B
F
T
S
4
1
INCHES
DIM MIN MAX
MILLIMETERS
MIN
14.48
9.66
4.07
0.64
3.61
2.42
2.80
0.46
12.70
1.15
4.83
2.54
2.04
1.15
5.97
0.00
1.15
−−−
MAX
15.75
10.28
4.82
0.88
3.73
2.66
3.93
0.64
14.27
1.52
5.33
3.04
2.79
1.39
6.47
1.27
−−−
A
K
Q
Z
A
B
C
D
F
0.570
0.380
0.160
0.025
0.142
0.095
0.110
0.018
0.500
0.045
0.190
0.100
0.080
0.045
0.235
0.000
0.045
−−−
0.620
0.405
0.190
0.035
0.147
0.105
0.155
0.025
0.562
0.060
0.210
0.120
0.110
0.055
0.255
0.050
−−−
2
3
U
H
G
H
J
K
L
L
R
N
Q
R
S
T
V
J
G
D
U
V
Z
N
0.080
2.04
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are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice
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MC78M00/D
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