MC78M06CDT [FAIRCHILD]
3-Terminal 0.5A Positive Voltage Regulator; 三端0.5A正电压稳压器
| 型号： | MC78M06CDT |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | 3-Terminal 0.5A Positive Voltage Regulator |
| 文件： | 总14页 (文件大小：91K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
www.fairchildsemi.com
MC78MXX/LM78MXX
3-Terminal 0.5A Positive Voltage Regulator
Features
Description
• Output Current up to 0.5A
• Output Voltages of 5, 6, 8, 12, 15, 18, 24V
• Thermal Overload Protection
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.
• Short Circuit Protection
• Output Transistor Safe Operating Area (SOA)Protection
TO-220
GND
1
D-PAK
GND
1
1. Input 2. GND 3. Output
Internal Block Digram
INPUT
1
OUTPUT
3
SERIES
PASS
ELEMENT
SOA
PROTECTION
CURRENT
GENERATOR
R1
REFERENCE
STARTING
ERROR
AMPLIFIER
VOLTAGE
CIRCUIT
R2
THERMAL
PROTECTION
GND
2
Rev. 1.0.5
©2002 Fairchild Semiconductor Corporation
MC78MXX/LM78MXX
Absolute Maximum Ratings
Parameter
Symbol
Value
Unit
Input Voltage (for V = 5V to 18V)
(for V = 24V)
O
V
V
35
40
V
V
O
I
I
Thermal Resistance Junction-Case (Note1)
TO-220 (Tc = +25°C)
R
θJC
2.5
°C/W
Thermal Resistance Junction-Air (Note1, 2)
TO-220 (Ta = +25°C)
D-PAK (Ta = +25°C)
R
θJA
66
92
°C/W
Operating Junction Temperature Range
Storage Temperature Range
T
0 ~ +150
°C
°C
OPR
T
-65 ~ +150
STG
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 < +125°C, I =350mA, V =10V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
T = +25°C
Min. Typ. Max.
Unit
4.8
5
5.2
J
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
4.75
5
5.25
V = 7V to 20V
V = 7V to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note3)
∆V
∆V
mV
O
O
T =+25°C
V = 8V to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
100
50
O
O
J
Load Regulation (Note3)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25 °C
J
I
T =+25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 8V to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
40
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 8V to 18V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T =+25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T =+25°C
J
PK
Note:
3. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
2
MC78MXX/LM78MXX
Electrical Characteristics (MC78M06) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =11V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T = +25°C
J
5.75
6
6.25
Output Voltage
V
O
V
I
= 5mA to 350mA
O
I
5.7
6
6.3
V = 8V to 21V
V = 8V to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T = +25°C
V = 9V to 25V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
120
60
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T = +25°C
J
I
T = +25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 9V to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
45
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA
V = 9V to 19V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T =+25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
3
MC78MXX/LM78MXX
Electrical Characteristics (MC78M08) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =14V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T =+25°C
J
7.7
8
8.3
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
7.6
8
8.4
V = 10.5V to 23V
V = 10.5V to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T =+25°C
V = 11V to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
160
80
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
J
I
T = +25°C
4.0
-
6.0
0.5
Q
J
I
= 5mA to 350mA
= 200mA
V = 10.5V to 25V
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
RR
-
-
-
−0.5
52
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 11.5V to 21.5V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
4
MC78MXX/LM78MXX
Electrical Characteristics (MC78M12) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =19V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T = +25°C
J
11.5
12
12.5
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
11.4
12
12.6
V = 14.5V to 27V
V = 14.5V to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
T = +25°C
V = 16V to 30V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
240
120
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
O
= 5mA to 200mA, T = +25°C
J
I
T =+25°C
4.1
-
Q
J
I
= 5mA to 350mA
= 200mA
V = 14.5V to 30V
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-0.5
75
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 15V to 25V, T =+25 °C
O
RR
80
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
5
MC78MXX/LM78MXX
Electrical Characteristics (MC78M15) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =23V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T = +25°C
J
14.4
15
15.6
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
14.25
15
15.75
V = 17.5V to 30V
V = 17.5V to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T =+25°C
V = 20V to 30V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
300
150
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
J
I
T = +25°C
4.1
-
Q
J
I
= 5mA to 350mA
= 200mA
V = 17.5V to 30V
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-1
100
70
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 18.5V to 28.5V, T =+25 °C
O
RR
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T =+25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
6
MC78MXX/LM78MXX
Electrical Characteristics (MC78M18) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =26V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min. Typ. Max.
Unit
T = +25°C
J
17.3 18
18.7
Output Voltage
V
O
V
I
= 5mA to 350mA
O
I
17.1 18
18.9
V = 20.5V to 33V
V = 21V to 33V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation (Note1)
∆V
mV
O
T = +25°C
V = 24V to 33V
I
-
I
I
= 5mA to 0.5A, T = +25°C
-
-
360
180
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
∆VΟ
mV
mA
= 5mA to 200mA, T = +25°C
J
I
T = +25°C
4.2
-
Q
J
I
= 5mA to 350mA
= 200mA
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
V = 21V to 33V
Output Voltage Drift
Output Noise Voltage
∆V/∆T
I
= 5mAT = 0 to 125°C
-
-
-1.1
100
-
-
mV/°C
µV/Vo
O
J
V
N
f = 10Hz to 100kHz
f = 120Hz, I = 300mA , V = 22V to 32V
T =+25 °C
J
O
I
Ripple Rejection
RR
-
70
-
dB
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
7
MC78MXX/LM78MXX
Electrical Characteristics (MC78M24) (Continued)
(Refer to the test circuits, 0 < T < +125°C, I =350mA, V =33V, unless otherwise specified, C =0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Symbol
Conditions
Min.
Typ.
Max.
Unit
T =+25°C
J
23
24
25
Output Voltage
V
V
O
I
= 5mA to 350mA
O
I
22.8
24
25.2
V = 27V to 38V
V = 27V to 38V
= 200mA
-
-
-
-
-
-
-
100
50
I
I
O
J
Line Regulation (Note1)
∆V
∆V
mV
O
O
T =+25°C
V = 28V to 38V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
480
240
6.0
0.5
O
O
J
Load Regulation (Note1)
Quiescent Current
mV
mA
= 5mA to 200mA, T =+25°C
J
I
T = +25°C
4.2
-
Q
J
I
= 5mA to 350mA
= 200mA
V = 27V to 38V
O
Quiescent Current Change
∆I
mA
Q
I
O
I
-
-
0.8
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
-
-1.2
170
70
-
-
-
mV/°C
µV/Vo
dB
T = 0 to +125°C
V
f = 10Hz to 100kHz
N
f = 120Hz, I = 300mA
V = 28V to 38V, T =+25 °C
O
RR
I
J
Dropout Voltage
Short Circuit Current
Peak Current
V
T = +25°C, I = 500mA
-
-
-
2
-
-
-
V
D
J
O
I
T = +25°C, V = 35V
300
700
mA
mA
SC
J
I
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Change in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
8
MC78MXX/LM78MXX
Typical Applications
3
1
MC78MXX
LM78MXX
V
I
V
O
2
C
O
C
I
0.1µF
0.3µF
Figure 1. Fixed Output Regulator
3
1
MC78MXX
LM78MXX
V
I
2
C
O
C
I
VXX
0.33µF
0.1µF
I
O
I
O
R
1
Vxx
I
=
+I
O
R
1
O
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 is required if regulator is located an appreciable distance from power Supply filter
I
3
1
MC78MXX
LM78MXX
V
I
V
O
V
XX
2
C
O
C
I
R
1
0.33µF
0.1µF
I
O
R
I
≥ 5I
O
2
R1
O
V
= V (1+R /R ) +I R
XX O 2
2
1
Figure 3. Circuit for Increasing Output Voltage
9
MC78MXX/LM78MXX
1
3
MC78M05
LM78M05
V
I
V
O
0.1µF
2
C
O
C
I
2
3
0.33µF
7
6
LM741
10kΩ
4
Figure 4. Adjustable Output Regulator (7 to 30V)
13V < V < 25V
I
1
3
MC78M05
V
V
I
O
LM78M05
R4
2
910Ω
C1
0.33µF
VXX
R5
C2
0.1µF
7
_
2
9.1kΩ
LM741
+
R
R
4
6
3 R3
R1
VO = Vxx
10kΩ
1
4
-7 < -VI < 17V
Figure 5. 0.5 to 10V Regulator
10
MC78MXX/LM78MXX
Mechanical Dimensions
Package
Dimensions in millimeters
TO-220
4.50 ±0.20
9.90 ±0.20
(8.70)
+0.10
–0.05
1.30
ø3.60 ±0.10
1.27 ±0.10
1.52 ±0.10
0.80 ±0.10
+0.10
–0.05
0.50
2.40 ±0.20
2.54TYP
2.54TYP
[2.54 ±0.20]
[2.54 ±0.20]
10.00 ±0.20
11
MC78MXX/LM78MXX
Mechanical Dimensions (Continued)
Package
Dimensions in millimeters
D-PAK
6.60 ±0.20
5.34 ±0.30
2.30 ±0.10
0.50 ±0.10
(0.50)
(4.34)
(0.50)
MAX0.96
0.76 ±0.10
0.50 ±0.10
1.02 ±0.20
2.30 ±0.20
2.30TYP
2.30TYP
[2.30±0.20]
[2.30±0.20]
6.60 ±0.20
(5.34)
(5.04)
(1.50)
(2XR0.25)
0.76 ±0.10
12
MC78MXX/LM78MXX
Ordering Information
Product Number
Package
Operating Temperature
LM78M05CT
TO-220
0 ~ +125°C
Product Number
MC78M05CT
MC78M06CT
MC78M08CT
MC78M12CT
MC78M15CT
MC78M18CT
MC78M24CT
MC78M05CDT
MC78M06CDT
MC78M08CDT
MC78M12CDT
Package
Operating Temperature
TO-220
0 ~ +125°C
D-PAK
13
MC78MXX/LM78MXX
DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY
LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES
OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR
CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
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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11/12/02 0.0m 001
Stock#DSxxxxxxxx
2002 Fairchild Semiconductor Corporation
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