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Электронный компонент: 78M05

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2002 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev. 1.0.5
Features
Output Current up to 0.5A
Output Voltages of 5, 6, 8, 12, 15, 18, 24V
Thermal Overload Protection
Short Circuit Protection
Output Transistor Safe Operating Area (SOA)Protection
Description
The MC78MXX/LM78MXX series of three-terminal
positive regulators are available in the TO-220/D-PAK
package with several fixed output voltages making it useful
in a wide range of applications.
TO-220
D-PAK
1. Input 2. GND 3. Output
1
1
GND
GND
Internal Block Digram
OUTPUT
3
R1
R2
GND
2
1
INPUT
SERIES
PASS
ELEMENT
SOA
PROTECTION
CURRENT
GENERATOR
STARTING
CIRCUIT
REFERENCE
VOLTAGE
ERROR
AMPLIFIER
THERMAL
PROTECTION
MC78MXX/LM78MXX
3-Terminal 0.5A Positive Voltage Regulator
MC78MXX/LM78MXX
2
Absolute Maximum Ratings
Note:
1. Thermal resistance test board
Size: 76.2mm * 114.3mm * 1.6mm(1S0P)
JEDEC standard: JESD51-3, JESD51-7
2. Assume no ambient airflow
Electrical Characteristics (MC78M05/LM78M05)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=10V, unless otherwise specified, C
I
= 0.33
F, C
O
=0.1
F)
Note:
3. Load and line regulation are specified at constant junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Value
Unit
Input Voltage (for V
O
= 5V to 18V)
(for V
O
= 24V)
V
I
V
I
35
40
V
V
Thermal Resistance Junction-Case (Note1)
TO-220 (Tc = +25
C)
R
JC
2.5
C/W
Thermal Resistance Junction-Air (Note1, 2)
TO-220 (Ta = +25
C)
D-PAK (Ta = +25
C)
R
JA
66
92
C/W
Operating Junction Temperature Range
T
OPR
0 ~ +150
C
Storage Temperature Range
T
STG
-65 ~ +150
C
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
= +25
C
4.8
5
5.2
V
I
O
= 5mA to 350mA
V
I
= 7V to 20V
4.75
5
5.25
Line Regulation (Note3)
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 7V to 25V
-
-
100
mV
V
I
= 8V to 25V
-
-
50
Load Regulation (Note3)
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
100
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
50
Quiescent Current
I
Q
T
J
=+25
C
-
4.0
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 8V to 25V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
40
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 8V to 18V, T
J
=+25
C
-
80
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
=+25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
=+25
C
-
700
-
mA
MC78MXX/LM78MXX
3
Electrical Characteristics (MC78M06)
(Continued)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=11V, unless otherwise specified, C
I
=0.33
F, C
O
=0.1
F)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
= +25
C
5.75
6
6.25
V
I
O
= 5mA to 350mA
V
I
= 8V to 21V
5.7
6
6.3
Line Regulation (Note1)
V
O
I
O
= 200mA
T
J
= +25
C
V
I
= 8V to 25V
-
-
100
mV
V
I
= 9V to 25V
-
-
50
Load Regulation (Note1)
V
O
I
O
= 5mA to 0.5A, T
J
= +25
C
-
-
120
mV
I
O
= 5mA to 200mA, T
J
= +25
C
-
-
60
Quiescent Current
I
Q
T
J
= +25
C
-
4.0
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 9V to 25V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
45
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 9V to 19V, T
J
=+25
C
-
80
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
=+25
C
-
700
-
mA
MC78MXX/LM78MXX
4
Electrical Characteristics (MC78M08)
(Continued)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=14V, unless otherwise specified, C
I
= 0.33
F, C
O
=0.1
F)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
=+25
C
7.7
8
8.3
V
I
O
= 5mA to 350mA
V
I
= 10.5V to 23V
7.6
8
8.4
Line Regulation (Note1)
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 10.5V to 25V
-
-
100
mV
V
I
= 11V to 25V
-
-
50
Load Regulation (Note1)
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
160
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
80
Quiescent Current
I
Q
T
J
= +25
C
-
4.0
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 10.5V to 25V
-
-
0.8
Output Voltage Drift
RR
I
O
= 5mA
T
J
= 0 to +125
C
-
-
0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
52
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 11.5V to 21.5V, T
J
=+25
C
-
80
-
dB
Dropout Voltage
V
D
T
J
= +25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
= +25
C
-
700
-
mA
MC78MXX/LM78MXX
5
Electrical Characteristics (MC78M12)
(Continued)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=19V, unless otherwise specified, C
I
=0.33
F, C
O
=0.1
F)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
o
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
= +25
C
11.5
12
12.5
V
I
O
= 5mA to 350mA
V
I
= 14.5V to 27V
11.4
12
12.6
Line Regulation (Note1)
V
O
I
O
= 200mA
T
J
= +25
C
V
I
= 14.5V to 30V
-
-
100
mV
V
I
= 16V to 30V
-
-
50
Load Regulation (Note1)
V
O
I
O
= 5mA to 0.5A, T
J
= +25
C
-
-
240
mV
I
O
= 5mA to 200mA, T
J
= +25
C
-
-
120
Quiescent Current
I
Q
T
J
=+25
C
-
4.1
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 14.5V to 30V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-0.5
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
75
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 15V to 25V, T
J
=+25
C
-
80
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
= +25
C
-
700
-
mA
MC78MXX/LM78MXX
6
Electrical Characteristics (MC78M15)
(Continued)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=23V, unless otherwise specified, C
I
=0.33
F, C
O
=0.1
F)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
= +25
C
14.4
15
15.6
V
I
O
= 5mA to 350mA
V
I
= 17.5V to 30V
14.25
15
15.75
Line Regulation (Note1)
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 17.5V to 30V
-
-
100
mV
V
I
= 20V to 30V
-
-
50
Load Regulation (Note1)
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
300
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
150
Quiescent Current
I
Q
T
J
= +25
C
-
4.1
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 17.5V to 30V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-1
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
100
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 18.5V to 28.5V, T
J
=+25
C
-
70
-
dB
Dropout Voltage
V
D
T
J
=+25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
= +25
C
-
700
-
mA
MC78MXX/LM78MXX
7
Electrical Characteristics (MC78M18)
(Continued)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=26V, unless otherwise specified, C
I
=0.33
F, C
O
=0.1
F)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
Output Voltage
V
O
T
J
= +25
C
17.3
18
18.7
V
I
O
= 5mA to 350mA
V
I
= 20.5V to 33V
17.1
18
18.9
Line Regulation (Note1)
V
O
I
O
= 200mA
T
J
= +25
C
V
I
= 21V to 33V
-
-
100
mV
V
I
= 24V to 33V
-
-
50
Load Regulation (Note1)
V
I
O
= 5mA to 0.5A, T
J
=
+25
C
-
-
360
mV
I
O
= 5mA to 200mA, T
J
=
+25
C
-
-
180
Quiescent Current
I
Q
T
J
=
+25
C
-
4.2
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 21V to 33V
-
-
0.8
Output Voltage Drift
V/
T
I
O
=
5mAT
J
=
0 to 125
C
-
-1.1
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
100
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
=
300mA , V
I
= 22V to 32V
T
J
=+25
C
-
70
-
dB
Dropout Voltage
V
D
T
J
= +25
C, I
O
=
500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
=
35V
-
300
-
mA
Peak Current
I
PK
T
J
= +25
C
-
700
-
mA
MC78MXX/LM78MXX
8
Electrical Characteristics (MC78M24)
(Continued)
(Refer to the test circuits, 0
<
T
J
<
+125
C, I
O
=350mA, V
I
=33V, unless otherwise specified, C
I
=0.33
F, C
O
=0.1
F)
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V
O
due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
Output Voltage
V
O
T
J
=+25
C
23
24
25
V
I
O
= 5mA to 350mA
V
I
= 27V to 38V
22.8
24
25.2
Line Regulation (Note1)
V
O
I
O
= 200mA
T
J
=+25
C
V
I
= 27V to 38V
-
-
100
mV
V
I
= 28V to 38V
-
-
50
Load Regulation (Note1)
V
O
I
O
= 5mA to 0.5A, T
J
=+25
C
-
-
480
mV
I
O
= 5mA to 200mA, T
J
=+25
C
-
-
240
Quiescent Current
I
Q
T
J
=
+25
C
-
4.2
6.0
mA
Quiescent Current Change
I
Q
I
O
= 5mA to 350mA
-
-
0.5
mA
I
O
= 200mA
V
I
= 27V to 38V
-
-
0.8
Output Voltage Drift
V/
T
I
O
= 5mA
T
J
= 0 to +125
C
-
-1.2
-
mV/
C
Output Noise Voltage
V
N
f = 10Hz to 100kHz
-
170
-
V/Vo
Ripple Rejection
RR
f = 120Hz, I
O
= 300mA
V
I
= 28V to 38V, T
J
=+25
C
-
70
-
dB
Dropout Voltage
V
D
T
J
= +25
C, I
O
= 500mA
-
2
-
V
Short Circuit Current
I
SC
T
J
= +25
C, V
I
= 35V
-
300
-
mA
Peak Current
I
PK
T
J
= +25
C
-
700
-
mA
MC78MXX/LM78MXX
9
Typical Applications
Figure 1. Fixed Output Regulator
Figure 2. Constant Current Regulator
Notes:
1. To specify an output voltage, substitute voltage value for "XX"
2. Although no output capacitor is needed for stability, it does improve transient response.
3. C
I
is required if regulator is located an appreciable distance from power Supply filter
Figure 3. Circuit for Increasing Output Voltage
0.1
F
C
O
C
I
0.3
F
V
O
V
I
MC78MXX
LM78MXX
1
3
2
0.1
F
C
O
C
I
0.33
F
I
O
V
I
MC78MXX
LM78MXX
1
3
2
VXX
I
O
R
1
I
O
= R
1
+I
O
Vxx
0.1
F
C
O
C
I
0.33
F
I
O
V
I
MC78MXX
LM78MXX
1
3
2
V
XX
V
O
R
1
R
2
I
R1
5I
O
V
O
= V
XX
(1+R
2
/R
1
) +I
O
R
2
MC78MXX/LM78MXX
10
Figure 4. Adjustable Output Regulator (7 to 30V)
Figure 5. 0.5 to 10V Regulator
0.1
F
C
O
C
I
0.33
F
V
O
V
I
MC78M05
LM78M05
1
3
2
10k
3
2
4
7
6
LM741
0.1
F
C2
C1
0.33
F
V
O
V
I
MC78M05
LM78M05
1
3
2
10k
3
2
4
7
6
LM741
R3
R1
VXX
R4
R5
910
9.1k
13V < V
I
< 25V
-7 < -VI
< 17V
_
+
VO = Vxx
R
1
R
4
MC78MXX/LM78MXX
11
Mechanical Dimensions
Package
Dimensions in millimeters
4.50
0.20
9.90
0.20
1.52
0.10
0.80
0.10
2.40
0.20
10.00
0.20
1.27
0.10
3.60
0.10
(8.70)
2.80
0.10
15.90
0.20
10.08
0.30
18.95MAX.
(1.70)
(3.70)
(3.00)
(1.46)
(1.00)
(45
)
9.20
0.20
13.08
0.20
1.30
0.10
1.30
+0.10
0.05
0.50
+0.10
0.05
2.54TYP
[2.54
0.20
]
2.54TYP
[2.54
0.20
]
TO-220
MC78MXX/LM78MXX
12
Mechanical Dimensions
(Continued)
Package
Dimensions in millimeters
6.60
0.20
2.30
0.10
0.50
0.10
5.34
0.30
0.70
0.20
0.60
0.20
0.80
0.20
9.50
0.30
6.10
0.20
2.70
0.20
9.50
0.30
6.10
0.20
2.70
0.20
MIN0.55
0.76
0.10
0.50
0.10
1.02
0.20
2.30
0.20
6.60
0.20
0.76
0.10
(5.34)
(1.50)
(2XR0.25)
(5.04)
0.89
0.10
(0.10)
(3.05)
(1.00)
(0.90)
(0.70)
0.91
0.10
2.30TYP
[2.30
0.20]
2.30TYP
[2.30
0.20]
MAX0.96
(4.34)
(0.50)
(0.50)
D-PAK
MC78MXX/LM78MXX
13
Ordering Information
Product Number
Package
Operating Temperature
LM78M05CT TO-220
0
~
+125
C
Product Number
Package
Operating Temperature
MC78M05CT
TO-220
0 ~ +125
C
MC78M06CT
MC78M08CT
MC78M12CT
MC78M15CT
MC78M18CT
MC78M24CT
MC78M05CDT
D-PAK
MC78M06CDT
MC78M08CDT
MC78M12CDT
MC78MXX/LM78MXX
11/12/02 0.0m 001
Stock#DSxxxxxxxx
2002 Fairchild Semiconductor Corporation
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OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
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which, (a) are intended for surgical implant into the body,
or (b) support or sustain life, and (c) whose failure to
perform when properly used in accordance with
instructions for use provided in the labeling, can be
reasonably expected to result in a significant injury of the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be
reasonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
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