MC7808CT [FAIRCHILD]
3-Terminal 1A Positive Voltage Regulator; 3端子1A正电压稳压器型号: | MC7808CT |
厂家: | FAIRCHILD SEMICONDUCTOR |
描述: | 3-Terminal 1A Positive Voltage Regulator |
文件: | 总28页 (文件大小:226K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
www.fairchildsemi.com
MC78XX/LM78XX/MC78XXA
3-Terminal 1A Positive Voltage Regulator
Features
Description
• Output Current up to 1A
• Output Voltages of 5, 6, 8, 9, 10, 12, 15, 18, 24V
• Thermal Overload Protection
The MC78XX/LM78XX/MC78XXA series of three
terminal positive regulators are available in the
TO-220/D-PAK package and with several fixed output
voltages, making them useful in a wide range of
• Short Circuit Protection
• Output Transistor Safe Operating Area Protection
applications. Each type employs internal current limiting,
thermal shut down and safe operating area protection,
making it essentially indestructible. If adequate heat sinking
is provided, they can deliver over 1A output current.
Although designed primarily as fixed voltage regulators,
these devices can be used with external components to
obtain adjustable voltages and currents.
TO-220
1
D-PAK
1
1. Input 2. GND 3. Output
Internal Block Digram
Rev. 1.0.1
©2001 Fairchild Semiconductor Corporation
MC78XX/LM78XX/MC78XXA
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-Cases (TO-220)
Thermal Resistance Junction-Air (TO-220)
Operating Temperature Range
R
5
oC/W
oC/W
oC
θJC
θJA
R
T
65
0 ~ +125
-65 ~ +150
OPR
Storage Temperature Range
T
STG
oC
Electrical Characteristics (MC7805/LM7805)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V = 10V, C = 0.33µF, C = 0.1µF, unless otherwise specified)
J
O
I
I
O
MC7805/LM7805
Min. Typ. Max.
Parameter
Symbol
Conditions
Unit
T =+25 oC
J
4.8
5.0
5.2
Output Voltage
V
O
5.0mA ≤ Io ≤ 1.0A, P ≤ 15W
I
O
V
V = 7V to 20V
4.75
5.0
4.0
1.6
9
5.25
100
50
V
= 7V to 25V
-
-
-
O
Line Regulation (Note1)
Load Regulation (Note1)
Regline T =+25 oC
J
mV
V = 8V to 12V
I
I
= 5.0mA to1.5A
100
O
Regload T =+25 oC
J
mV
I
=250mA to
O
-
4
50
750mA
Quiescent Current
I
T =+25 oC
-
-
-
-
-
5.0
0.03
0.3
8.0
0.5
1.3
-
mA
mA
Q
J
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 7V to 25V
I
Output Voltage Drift
Output Noise Voltage
∆V /∆T I = 5mA
-0.8
42
mV/ oC
O
O
V
f = 10Hz to 100KHz, T =+25 oC
-
µV/Vo
N
A
f = 120Hz
Ripple Rejection
RR
62
73
-
dB
V
= 8V to 18V
O
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
15
O
I
230
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
o
into account separately. Pulse testing with low duty is used.
2
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7806)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =11V, C = 0.33µF, C = 0.1µF, unless otherwise specified)
J
O
I
I
O
MC7806
Typ. Max.
Parameter
Symbol
Conditions
Unit
Min.
T =+25 oC
5.75
6.0
6.25
J
Output Voltage
V
O
5.0mA ≤ I ≤ 1.0A, P ≤ 15W
I
O
O
V
V = 8.0V to 21V
5.7
6.0
5
6.3
120
60
120
60
8.0
0.5
1.3
-
V = 8V to 25V
I
-
-
-
-
-
-
-
-
-
Line Regulation (Note1)
Regline T =+25 oC
J
mV
V = 9V to 13V
I
1.5
9
I
I
=5mA to 1.5A
O
O
Load Regulation (Note1)
Quiescent Current
Regload T =+25 oC
J
mV
mA
mA
=250mA to750A
3
I
T =+25 oC
5.0
-
Q
J
I
= 5mA to 1A
O
Quiescent Current Change
∆I
Q
V = 8V to 25V
I
-
Output Voltage Drift
Output Noise Voltage
∆V /∆T
I
= 5mA
O
-0.8
45
mV/ oC
O
V
N
f = 10Hz to 100KHz, T =+25 oC
-
µV/Vo
A
f = 120Hz
V = 9V to 19V
I
Ripple Rejection
RR
59
75
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
19
O
I
250
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
3
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7808)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =14V, C = 0.33µF, C = 0.1µF, unless otherwise specified)
J
O
I
I
O
MC7808
Parameter
Symbol
Conditions
Unit
Min. Typ. Max.
T =+25 oC
J
7.7
8.0
8.3
Output Voltage
V
O
5.0mA ≤ I ≤ 1.0A, P ≤ 15W
I
O
O
V
V = 10.5V to 23V
7.6
8.0
8.4
V = 10.5V to 25V
-
-
5.0 160
I
Line Regulation (Note1)
Regline T =+25 oC
J
mV
V = 11.5V to 17V
I
2.0
10
80
160
80
I
= 5.0mA to 1.5A
-
O
Load Regulation (Note1)
Quiescent Current
Regload T =+25 oC
J
mV
mA
mA
I = 250mA to 750mA
O
-
5.0
5.0
I
T =+25 oC
-
8.0
Q
J
I
= 5mA to 1.0A
-
0.05 0.5
O
Quiescent Current Change
∆I
Q
V = 10.5A to 25V
-
0.5
-0.8
52
1.0
I
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
∆V /∆T
I
= 5mA
O
-
-
-
-
-
-
-
-
mV/ oC
µV/Vo
dB
O
V
N
f = 10Hz to 100KHz, T =+25 oC
-
A
RR
f = 120Hz, V = 11.5V to 21.5V
56
-
73
I
V
I
= 1A, T =+25 oC
2
V
Drop
O
J
Output Resistance
Short Circuit Current
Peak Current
r
f = 1KHz
-
17
mΩ
mA
A
O
I
V = 35V, T =+25 oC
-
230
2.2
SC
I
A
I
T =+25 oC
-
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
4
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7809)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =15V, C = 0.33µF, C = 0.1µF, unless otherwise specified)
J
O
I
I
O
MC7809
Parameter
Symbol
Conditions
Unit
Min. Typ. Max.
T =+25°C
J
8.65
9
9.35
Output Voltage
V
O
5.0mA≤ I ≤1.0A, P ≤15W
V = 11.5V to 24V
I
O
O
V
8.6
9
6
9.4
180
90
180
90
8.0
0.5
1.3
-
V = 11.5V to 25V
-
-
-
-
-
-
-
-
-
I
Line Regulation (Note1)
Regline T =+25°C
mV
J
V = 12V to 17V
I
2
I = 5mA to 1.5A
12
4
O
Load Regulation (Note1)
Quiescent Current
Regload T =+25°C
mV
mA
mA
J
I
= 250mA to 750mA
O
I
T =+25°C
J
5.0
-
Q
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 11.5V to 26V
I
-
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V /∆T
I
= 5mA
O
-1
58
mV/ °C
µV/Vo
O
V
f = 10Hz to 100KHz, T =+25 °C
-
N
A
f = 120Hz
V = 13V to 23V
I
RR
56
71
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25°C
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25°C
17
O
I
250
2.2
SC
I
A
I
T = +25°C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
5
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7810)
(Refer to test circuit ,0°C< T < 125°C, I = 500mA, V =16V, C = 0.33µF, C =0.1µF, unless otherwise specified)
J
O
I
I
O
MC7810
Parameter
Symbol
Conditions
Unit
Min. Typ. Max.
T =+25 °C
J
9.6
10
10.4
Output Voltage
V
O
5.0mA ≤ I ≤1.0A, P ≤15W
V = 12.5V to 25V
I
O
O
V
9.5
10
10
3
10.5
200
100
200
400
8.0
0.5
1.0
-
V = 12.5V to 25V
-
-
-
-
-
-
-
-
-
I
Line Regulation (Note1)
Regline T =+25°C
mV
J
V = 13V to 25V
I
I = 5mA to 1.5A
12
4
O
Load Regulation (Note1)
Quiescent Current
Regload T =+25°C
mV
mA
mA
J
I
= 250mA to 750mA
O
I
T =+25°C
J
5.1
-
Q
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 12.5V to 29V
I
-
Output Voltage Drift
Output Noise Voltage
∆V /∆T
I
= 5mA
O
-1
58
mV/°C
µV/Vo
O
V
f = 10Hz to 100KHz, T =+25 °C
-
N
A
f = 120Hz
V = 13V to 23V
I
Ripple Rejection
RR
56
71
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 °C
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25 °C
17
O
I
250
2.2
SC
I
A
I
T =+25 °C
J
PK
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
6
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7812)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =19V, C = 0.33µF, C =0.1µF, unless otherwise specified)
J
O
I
I
O
MC7812
Parameter
Symbol
Conditions
Unit
Min. Typ. Max.
T =+25 oC
11.5
12 12.5
J
Output Voltage
V
O
5.0mA ≤ I ≤1.0A, P ≤15W
V = 14.5V to 27V
I
O
O
V
11.4
12 12.6
V = 14.5V to 30V
-
-
-
-
-
-
-
-
-
10
3.0 120
11 240
5.0 120
240
I
Line Regulation (Note1)
Regline T =+25 oC
J
mV
V = 16V to 22V
I
I
I
= 5mA to 1.5A
O
O
Load Regulation (Note1)
Quiescent Current
Regload T =+25 oC
J
mV
mA
mA
= 250mA to 750mA
I
T =+25 oC
5.1
0.1
0.5
-1
8.0
0.5
1.0
-
Q
J
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 14.5V to 30V
I
Output Voltage Drift
Output Noise Voltage
∆V /∆T
I
= 5mA
O
mV/ oC
O
V
N
f = 10Hz to 100KHz, T =+25 oC
76
-
µV/Vo
A
f = 120Hz
V = 15V to 25V
I
Ripple Rejection
RR
55
71
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T = +25 oC
18
I
230
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
7
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7815)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =23V, C = 0.33µF, C =0.1µF, unless otherwise specified)
J
O
I
I
O
MC7815
Typ. Max.
Parameter
Symbol
Conditions
Unit
Min.
T =+25 oC
J
14.4
15
15.6
Output Voltage
V
O
5.0mA ≤ I ≤ 1.0A, P ≤ 15W
V = 17.5V to 30V
I
O
O
V
14.25
15
11
3
15.75
300
V = 17.5V to 30V
I
-
-
-
Line Regulation (Note1)
Load Regulation (Note1)
Regline T =+25 oC
J
mV
V = 20V to 26V
I
150
I
I
= 5mA to 1.5A
= 250mA to
12
300
O
Regload T =+25 oC
J
mV
O
-
4
150
750mA
Quiescent Current
I
T =+25 oC
-
-
-
-
-
5.2
-
8.0
0.5
1.0
-
mA
mA
Q
J
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 17.5V to 30V
I
-
Output Voltage Drift
Output Noise Voltage
∆V /∆T
I
= 5mA
O
-1
90
mV/ oC
O
V
N
f = 10Hz to 100KHz, T =+25 oC
-
µV/Vo
A
f = 120Hz
V = 18.5V to 28.5V
I
Ripple Rejection
RR
54
70
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
19
I
250
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
8
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7818)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =27V, C = 0.33µF, C =0.1µF, unless otherwise specified)
J
O
I
I
O
MC7818
Parameter
Symbol
Conditions
Unit
Min. Typ. Max.
T =+25 oC
17.3
18
18.7
J
Output Voltage
V
O
5.0mA ≤ I ≤1.0A, P ≤15W
V = 21V to 33V
I
O
O
V
17.1
18
15
5
18.9
360
180
360
180
8.0
0.5
1
V = 21V to 33V
I
-
-
-
-
-
-
-
-
-
Line Regulation (Note1)
Regline T =+25 oC
J
mV
V = 24V to 30V
I
I = 5mA to 1.5A
O
15
5.0
5.2
-
Load Regulation (Note1)
Quiescent Current
Regload T =+25 oC
J
mV
mA
mA
I
= 250mA to 750mA
O
I
T =+25 oC
J
Q
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 21V to 33V
I
-
Output Voltage Drift
Output Noise Voltage
∆V /∆T
I
= 5mA
O
-1
-
mV/ oC
O
V
N
f = 10Hz to 100KHz, T =+25 oC
110
-
µV/Vo
A
f = 120Hz
V = 22V to 32V
I
Ripple Rejection
RR
53
69
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
22
I
250
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
9
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7824)
(Refer to test circuit ,0°C < T < 125°C, I = 500mA, V =33V, C = 0.33µF, C =0.1µF, unless otherwise specified)
J
O
I
I
O
MC7824
Parameter
Symbol
Conditions
Unit
Min. Typ. Max.
T =+25 oC
23
24
25
J
Output Voltage
V
O
5.0mA ≤ I ≤ 1.0A, P ≤ 15W
V = 27V to 38V
I
O
O
V
22.8 24 25.25
V = 27V to 38V
-
-
-
-
-
-
-
-
-
17
6
480
240
480
I
Line Regulation (Note1)
Regline T =+25 oC
J
mV
V = 30V to 36V
I
I = 5mA to 1.5A
O
15
Load Regulation (Note1)
Quiescent Current
Regload T =+25 oC
J
mV
mA
mA
I
= 250mA to 750mA
5.0 240
O
I
T =+25 oC
5.2
0.1
0.5
-1.5
60
8.0
0.5
1
Q
J
I
= 5mA to 1.0A
O
Quiescent Current Change
∆I
Q
V = 27V to 38V
I
Output Voltage Drift
Output Noise Voltage
∆V /∆T
I
= 5mA
O
-
mV/ oC
O
V
N
f = 10Hz to 100KHz, T =+25 oC
-
µV/Vo
A
f = 120Hz
V = 28V to 38V
I
Ripple Rejection
RR
50
67
-
dB
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
28
I
230
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken
O
into account separately. Pulse testing with low duty is used.
10
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7805A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 10V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 oC
Min.
Typ.
Max.
Unit
4.9
5
5.1
J
V
V
O
I
= 5mA to 1A, P ≤ 15W
O
V = 7.5V to 20V
O
I
4.8
-
5
5
5.2
50
V = 7.5V to 25V
I
O
I
= 500mA
Line Regulation (Note1)
V = 8V to 12V
I
-
-
-
3
5
50
50
25
Regline
mV
V = 7.3V to 20V
I
T =+25 oC
J
V = 8V to 12V
I
1.5
T =+25 oC
J
-
9
100
I
I
I
= 5mA to 1.5A
O
O
O
Load Regulation (Note1)
Quiescent Current
Regload
mV
= 5mA to 1A
-
-
-
-
-
-
-
9
4
100
50
6
= 250mA to 750mA
I
T =+25 oC
5.0
-
mA
mA
Q
J
I
= 5mA to 1A
0.5
0.8
0.8
-
O
Quiescent Current
Change
∆I
V = 8 V to 25V, I = 500mA
-
Q
I
O
V = 7.5V to 20V, T =+25 oC
-
I
J
Output Voltage Drift
Output Noise Voltage
∆V/∆T
Io = 5mA
-0.8
mV/ oC
f = 10Hz to 100KHz
V
-
-
10
68
-
-
µV/Vo
N
T =+25 oC
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 8V to 18V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T = +25 oC
17
I
250
2.2
SC
I
A
I
PK
J
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.
11
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7806A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V =11V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 oC
Min. Typ. Max.
Unit
5.58
6
6.12
J
V
V
O
I
= 5mA to 1A, P ≤ 15W
O
V = 8.6V to 21V
O
I
5.76
6
6.24
V = 8.6V to 25V
I
-
5
60
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 9V to 13V
I
-
-
-
3
5
60
60
30
Regline
mV
V = 8.3V to 21V
I
T =+25 oC
J
V = 9V to 13V
I
1.5
T =+25 oC
J
-
9
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1A
-
-
-
-
-
-
-
4
5.0
4.3
-
100
50
6
= 250mA to 750mA
Quiescent Current
I
T =+25 oC
mA
mA
Q
J
I
= 5mA to 1A
0.5
0.8
0.8
-
O
Quiescent Current Change
∆I
V = 9V to 25V, I = 500mA
-
Q
I
O
V = 8.5V to 21V, T =+25 oC
-
I
J
Output Voltage Drift
Output Noise Voltage
∆V/∆T
I
= 5mA
-0.8
mV/ oC
O
f = 10Hz to 100KHz
V
-
-
10
65
-
-
µV/Vo
N
T =+25 oC
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 9V to 19V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
17
I
250
2.2
SC
I
A
I
PK
J
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.
12
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7808A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 14V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 oC
Min. Typ. Max.
Unit
7.84
8
8.16
J
V
O
V
I
= 5mA to 1A, P ≤15W
O
V = 10.6V to 23V
O
I
7.7
8
8.3
V = 10.6V to 25V
I
-
6
80
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 11V to 17V
I
-
-
-
3
6
2
80
80
40
Regline
mV
V = 10.4V to 23V
I
T =+25 oC
J
V = 11V to 17V
I
T =+25 oC
J
-
12
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1A
-
-
-
-
-
-
-
12
100
50
6
= 250mA to 750mA
5
5.0
-
Quiescent Current
I
T =+25 oC
mA
mA
Q
J
I
= 5mA to 1A
0.5
0.8
0.8
-
O
Quiescent Current Change
∆I
V = 11V to 25V, I = 500mA
-
Q
I
O
V = 10.6V to 23V, T =+25 oC
-
I
J
Output Voltage Drift
Output Noise Voltage
∆V/∆T
I
= 5mA
-0.8
mV/ oC
O
f = 10Hz to 100KHz
V
N
-
-
10
62
-
-
µV/Vo
T =+25 oC
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 11.5V to 21.5V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 oC
-
-
-
-
2
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 oC
T =+25 oC
18
I
250
2.2
SC
I
A
I
PK
J
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.
13
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7809A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 15V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
Min. Typ. Max.
Unit
T =+25°C
J
8.82 9.0
9.18
V
O
V
I
= 5mA to 1A, P ≤15W
O
V = 11.2V to 24V
O
8.65 9.0
9.35
I
V = 11.7V to 25V
I
-
6
90
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 12.5V to 19V
-
-
-
4
6
2
45
90
45
I
Regline
mV
V = 11.5V to 24V
I
T =+25°C
J
V = 12.5V to 19V
I
T =+25°C
J
-
12
100
I
I
I
= 5mA to 1.0A
O
O
O
Regload
mV
= 5mA to 1.0A
-
-
-
-
-
-
-
12
100
50
= 250mA to 750mA
5
5.0
-
Quiescent Current
I
T =+25 °C
6.0
0.8
0.8
0.5
-
mA
mA
Q
J
V = 11.7V to 25V, T =+25 °C
I
J
Quiescent Current Change
∆I
V = 12V to 25V, I = 500mA
-
Q
I
O
O
O
I
I
= 5mA to 1.0A
= 5mA
-
Output Voltage Drift
Output Noise Voltage
∆V/∆T
-1.0
mV/ °C
f = 10Hz to 100KHz
V
N
-
-
10
62
-
-
µV/Vo
T =+25 °C
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 12V to 22V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 °C
-
-
-
-
2.0
17
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 °C
T =+25°C
I
250
2.2
SC
I
A
I
PK
J
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.
14
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7810A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 16V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
Min. Typ. Max.
Unit
T =+25°C
9.8
10
10.2
J
V
V
O
I
= 5mA to 1A, P ≤ 15W
O
V =12.8V to 25V
O
9.6
10
10.4
I
V = 12.8V to 26V
I
-
8
100
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 13V to 20V
I
-
-
-
4
8
3
50
100
50
Regline
mV
V = 12.5V to 25V
I
T =+25 °C
J
V = 13V to 20V
I
T =+25 °C
J
-
12
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1.0A
-
-
-
-
-
-
-
12
100
50
= 250mA to 750mA
5
5.0
-
Quiescent Current
I
T =+25 °C
6.0
0.5
0.8
0.5
-
mA
mA
Q
J
V = 13V to 26V, T =+25 °C
I
J
Quiescent Current Change
∆I
V = 12.8V to 25V, I = 500mA
-
Q
I
O
O
O
I
I
= 5mA to 1.0A
= 5mA
-
Output Voltage Drift
Output Noise Voltage
∆V/∆T
-1.0
mV/ °C
f = 10Hz to 100KHz
µV/Vo
V
-
-
10
62
-
-
N
T =+25 °C
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 14V to 24V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25°C
-
-
-
-
2.0
17
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25 °C
T =+25 °C
O
I
250
2.2
SC
I
A
I
PK
J
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.
15
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7812A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 19V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 °C
Min. Typ. Max.
Unit
11.75
12
12.25
J
V
V
O
I
= 5mA to 1A, P ≤15W
O
V = 14.8V to 27V
O
I
11.5
12
12.5
V = 14.8V to 30V
I
-
10
120
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 16V to 22V
I
-
-
-
4
10
3
120
120
60
Regline
mV
V = 14.5V to 27V
I
T =+25 °C
J
V = 16V to 22V
I
T =+25 °C
J
-
12
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1.0A
-
-
-
-
-
-
-
12
5
100
50
= 250mA to 750mA
Quiescent Current
I
T =+25°C
5.1
6.0
0.8
0.8
0.5
-
mA
mA
Q
J
V = 15V to 30V, T =+25 °C
I
J
Quiescent Current Change
∆I
V = 14V to 27V, I = 500mA
Q
I
O
O
O
I
I
= 5mA to 1.0A
= 5mA
Output Voltage Drift
Output Noise Voltage
∆V/∆T
-1.0
10
mV/°C
f = 10Hz to 100KHz
V
-
-
-
-
µV/Vo
N
T =+25°C
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
60
dB
V = 14V to 24V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25°C
-
-
-
-
2.0
18
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 °C
T =+25 °C
I
250
2.2
SC
I
A
I
PK
J
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.
16
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7815A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V =23V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 °C
Min.
Typ.
Max.
Unit
14.7
15
15.3
J
V
O
V
I
= 5mA to 1A, P ≤15W
O
V = 17.7V to 30V
O
I
14.4
-
15
10
15.6
150
V = 17.9V to 30V
I
O
I
= 500mA
Line Regulation (Note1)
Load Regulation (Note1)
V = 20V to 26V
I
-
-
-
5
11
3
150
150
75
Regline
mV
V = 17.5V to 30V
I
T =+25°C
J
V = 20V to 26V
I
T =+25 °C
J
-
12
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1.0A
-
-
-
-
-
-
-
12
100
50
= 250mA to 750mA
5
5.2
-
Quiescent Current
I
T =+25 °C
6.0
0.8
0.8
0.5
-
mA
mA
Q
J
V = 17.5V to 30V, T =+25 °C
I
J
Quiescent Current Change
∆I
V = 17.5V to 30V, I = 500mA
-
Q
I
O
O
O
I
I
= 5mA to 1.0A
= 5mA
-
Output Voltage Drift
Output Noise Voltage
∆V/∆T
-1.0
mV/°C
f = 10Hz to 100KHz
V
N
-
-
10
58
-
-
µV/Vo
T =+25 °C
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 18.5V to 28.5V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 °C
-
-
-
-
2.0
19
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
O
f = 1KHz
V = 35V, T =+25 °C
T =+25°C
I
250
2.2
SC
I
A
I
PK
J
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.
17
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7818A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 27V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 °C
Min. Typ. Max.
Unit
17.64
18
18.36
J
V
V
O
I
= 5mA to 1A, P ≤15W
O
V = 21V to 33V
O
I
17.3
18
18.7
V = 21V to 33V
I
-
15
180
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 21V to 33V
I
-
-
-
5
15
5
180
180
90
Regline
mV
V = 20.6V to 33V
I
T =+25 °C
J
V = 24V to 30V
I
T =+25°C
J
-
15
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1.0A
-
-
-
-
-
-
-
15
100
50
= 250mA to 750mA
7
5.2
-
Quiescent Current
I
T =+25 °C
6.0
0.8
0.8
0.5
-
mA
mA
Q
J
V = 21V to 33V, T =+25 °C
I
J
Quiescent Current Change
∆I
V = 21V to 33V, I = 500mA
-
Q
I
O
O
O
I
I
= 5mA to 1.0A
= 5mA
-
Output Voltage Drift
Output Noise Voltage
∆V/∆T
-1.0
mV/ °C
f = 10Hz to 100KHz
µV/Vo
V
-
-
10
57
-
-
N
T =+25°C
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 22V to 32V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25°C
-
-
-
-
2.0
19
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25°C
T =+25 °C
O
I
250
2.2
SC
I
A
I
PK
J
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.
18
MC78XX/LM78XX/MC78XXA
Electrical Characteristics (MC7824A)
(Refer to the test circuits. 0°C < T < 125°C, I =1A, V = 33V, C =0.33µF, C =0.1µF, unless otherwise specified)
J
o
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T =+25 °C
Min. Typ. Max.
Unit
23.5
24
24.5
J
V
V
O
I
= 5mA to 1A, P ≤15W
O
V = 27.3V to 38V
O
I
23
24
25
V = 27V to 38V
I
-
18
240
I
= 500mA
O
Line Regulation (Note1)
Load Regulation (Note1)
V = 21V to 33V
I
-
-
-
6
18
6
240
240
120
Regline
mV
V = 26.7V to 38V
I
T =+25 °C
J
V = 30V to 36V
I
T =+25 °C
J
-
15
100
I
I
I
= 5mA to 1.5A
O
O
O
Regload
mV
= 5mA to 1.0A
-
-
-
-
-
-
-
15
100
50
= 250mA to 750mA
7
5.2
-
Quiescent Current
I
T =+25 °C
6.0
0.8
0.8
0.5
-
mA
mA
Q
J
V = 27.3V to 38V, T =+25 °C
I
J
Quiescent Current Change
∆I
V = 27.3V to 38V, I = 500mA
-
Q
I
O
O
O
I
I
= 5mA to 1.0A
= 5mA
-
Output Voltage Drift
Output Noise Voltage
∆V/∆T
-1.5
mV/ °C
f = 10Hz to 100KHz
V
-
-
10
54
-
-
µV/Vo
N
T = 25 °C
A
f = 120Hz, I = 500mA
O
Ripple Rejection
RR
dB
V = 28V to 38V
I
Dropout Voltage
Output Resistance
Short Circuit Current
Peak Current
V
I
= 1A, T =+25 °C
-
-
-
-
2.0
20
-
-
-
-
V
mΩ
mA
A
Drop
O
J
r
f = 1KHz
V = 35V, T =+25 °C
T =+25 °C
O
I
250
2.2
SC
I
A
I
PK
J
Note:
1. Load and line regulation are specified at constant junction temperature. Change in VO due to heating effects must be taken
into account separately. Pulse testing with low duty is used.
19
MC78XX/LM78XX/MC78XXA
Typical Perfomance Characteristics
I
Figure 1. Quiescent Current
Figure 2. Peak Output Current
Figure 3. Output Voltage
Figure 4. Quiescent Current
20
MC78XX/LM78XX/MC78XXA
Typical Applications
MC78XX/LM78XX
Input
Output
Figure 5. DC Parameters
MC78XX/LM78XX
Input
Output
Figure 6. Load Regulation
MC78XX/LM78XX
Input
Output
Figure 7. Ripple Rejection
Input
Output
MC78XX/LM78XX
Figure 8. Fixed Output Regulator
21
MC78XX/LM78XX/MC78XXA
MC78XX/LM78XX
Output
Input
CI
Co
Figure 9. Constant Current Regulator
Notes:
(1) To specify an output voltage. substitute voltage value for "XX." A common ground is required between the input and the
Output voltage. The input voltage must remain typically 2.0V above the output voltage even during the low point on the input
ripple voltage.
(2) C is required if regulator is located an appreciable distance from power Supply filter.
I
(3) C improves stability and transient response.
O
Input
Output
MC78XX/LM78XX
CI
Co
I
RI ≥ 5IQ
V
= V (1+R /R )+I R
2 1 Q 2
O
XX
Figure 10. Circuit for Increasing Output Voltage
Output
Input
MC7805
LM7805
CI
LM741
Co
I
≥5 I
Q
RI
= V (1+R /R )+I R
Q 2
V
O
XX
2
1
Figure 11. Adjustable Output Regulator (7 to 30V)
22
MC78XX/LM78XX/MC78XXA
Input
Output
MC78XX/LM78XX
Figure 12. High Current Voltage Regulator
Input
MC78XX/LM78XX
Output
Figure 13. High Output Current with Short Circuit Protection
MC78XX/LM78XX
LM741
Figure 14. Tracking Voltage Regulator
23
MC78XX/LM78XX/MC78XXA
MC7815
MC7915
Figure 15. Split Power Supply ( ±15V-1A)
Output
Input
MC78XX/LM78XX
Figure 16. Negative Output Voltage Circuit
Output
Input
MC78XX/LM78XX
Figure 17. Switching Regulator
24
MC78XX/LM78XX/MC78XXA
Mechanical Dimensions
Package
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
25
MC78XX/LM78XX/MC78XXA
Mechancal Dimensions (Continued)
Package
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
26
MC78XX/LM78XX/MC78XXA
Ordering Information
Product Number
Output Voltage Tolerance
Package
Operating Temperature
LM7805CT
±4%
TO-220
0 ~ + 125°C
Product Number
MC7805CT
Output Voltage Tolerance
Package
Operating Temperature
MC7806CT
MC7808CT
MC7809CT
MC7810CT
TO-220
MC7812CT
MC7815CT
MC7818CT
±4%
MC7824CT
MC7805CDT
MC7806CDT
MC7808CDT
MC7809CDT
MC7810CDT
MC7812CDT
MC7805ACT
MC7806ACT
MC7808ACT
MC7809ACT
MC7810ACT
MC7812ACT
MC7815ACT
MC7818ACT
MC7824ACT
D-PAK
0 ~ + 125°C
±2%
TO-220
27
MC78XX/LM78XX/MC78XXA
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.
www.fairchildsemi.com
7/2/01 0.0m 001
Stock#DSxxxxxxxx
2001 Fairchild Semiconductor Corporation
相关型号:
MC7808CT-E3
IC VREG 8 V FIXED POSITIVE REGULATOR, PSFM3, TO-220AB, 3 PIN, Fixed Positive Single Output Standard Regulator
VISHAY
©2020 ICPDF网 联系我们和版权申明