MC7806BT [MOTOROLA]
Fixed Positive Standard Regulator, 6VBIPolar, PSFM3, PLASTIC, SFM-3;
| 型号： | MC7806BT |
| 厂家： | 
MOTOROLA |
| 描述： | Fixed Positive Standard Regulator, 6VBIPolar, PSFM3, PLASTIC, SFM-3 局域网 输出元件 调节器 |
| 文件： | 总16页 (文件大小：309K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Order this document by MC7800/D
THREE–TERMINAL
POSITIVE FIXED
VOLTAGE REGULATORS
SEMICONDUCTOR
TECHNICAL DATA
These voltage regulators are monolithic integrated circuits designed as
fixed–voltage regulators for a wide variety of applications including local,
on–card regulation. These regulators employ internal current limiting,
thermal shutdown, and safe–area compensation. With adequate heatsinking
they can deliver output currents in excess of 1.0 A. Although designed
primarily as a fixed voltage regulator, these devices can be used with
external components to obtain adjustable voltages and currents.
T SUFFIX
PLASTIC PACKAGE
CASE 221A
• Output Current in Excess of 1.0 A
• No External Components Required
• Internal Thermal Overload Protection
• Internal Short Circuit Current Limiting
• Output Transistor Safe–Area Compensation
• Output Voltage Offered in 2% and 4% Tolerance
Heatsink surface
connected to Pin 2.
1
2
3
2
• Available in Surface Mount D PAK and Standard 3–Lead Transistor
Packages
Pin 1. Input
2. Ground
3. Output
D2T SUFFIX
PLASTIC PACKAGE
CASE 936
2
(D PAK)
2
1
3
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
STANDARD APPLICATION
DEVICE TYPE/NOMINAL OUTPUT VOLTAGE
MC7805
MC7806
MC7808
MC7809
5.0 V
6.0 V
8.0 V
9.0 V
MC7812
MC7815
MC7818
MC7824
12 V
15 V
18 V
24 V
MC78XX
Input
Output
**
C
*
in
C
O
0.33
µ
F
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.
ORDERING INFORMATION
Output Voltage
Tolerance
Tested Operating
Temperature Range
Device
MC78XXACT
MC78XXACD2T
MC78XXCT
Package
Insertion Mount
Surface Mount
Insertion Mount
Surface Mount
Insertion Mount
Surface Mount
2%
4%
XX, these two digits of the type number
indicate nominal voltage.
T
J
= 0° to +125°C
**
C
is required if regulator is located an
in
appreciable distance from power supply
filter.
MC78XXCD2T
MC78XXBT
**
C
is not needed for stability; however,
O
T
J
= – 40° to +125°C
it does improve transient response. Values
MC78XXBD2T
of less than 0.1 µF could cause instability.
XX indicates nominal voltage.
Motorola, Inc. 1995
Rev 4
MC7800 Series
MAXIMUM RATINGS (T = 25°C unless otherwise noted.)
A
Rating
Symbol
Value
Unit
Input Voltage (5.0 – 18 V)
V
I
35
40
Vdc
(24 V)
Power Dissipation
Case 221A
T
A
= 25°C
P
D
Internally Limited
W
Thermal Resistance, Junction–to–Ambient
R
R
65
°C/W
°C/W
θJA
θJC
Thermal Resistance, Junction–to–Case
5.0
2
Case 936 (D PAK)
= 25°C
T
P
Internally Limited
See Figure 13
5.0
W
A
D
Thermal Resistance, Junction–to–Ambient
Thermal Resistance, Junction–to–Case
R
R
°C/W
°C/W
θJA
θJA
Storage Junction Temperature Range
Operating Junction Temperature
T
–65 to +150
+150
°C
°C
stg
T
J
Representative Schematic Diagram
V
in
MC7800
R
50
24
D
Zener
2
LAT 3A
LAT
R
27.5 k
19
Q
Q
18
17
Q
QNPN
19
Q
QNPN
20
C
3
1.0P
R
14
1.0 k
Q
QNPN
10
R
15
R
100 k
R
18
R
0.2
680
21
600
23
R
100
22
V
5.01
out
Q
QNPN
7
Q
5
QNPN 2
R
30
18 k
R
9.0 k
Q
QNPN
17
12
Q
Sense
9
QNPN 2
R
3.0 k
R
12
29
9.0 k
R
15 k
D
1
Q
6
11
Q
QNPN
15
Zener
QNPN
R
6.0 k
R
9.0 k
25
28
R
1
10.66 k
R
R
10
16
R
17500
20
3340–(3316ACT)
600
R
3.0 k
R
9.0 k
26
27
Q
QNPN
8
R
2
1.56 k
R
3.0 k
9
R
5
R
11660
13
4.5 k
SUB
Q11 2
Q
14
QNPN
Q
C
30P
1
1
C
3.0P
2
N+
QNPN 6
Q
QNPN
4
Q
QNPN
13
Q
QNPN
3
Q
Q
2
16
R
6
QNPN 4
1.0 k
Diode
R
1.8 k
R
8
R
14 k
3
7
5.0 k
This device contains 22 active transistors.
2
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (V = 10 V, I = 500 mA, T = T
in
to T [Note 1], unless otherwise noted.)
high
O
J
low
MC7805B
Typ
MC7805C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
V
4.8
5.0
5.2
4.8
5.0
5.2
J
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
O
O
in
D
7.0 Vdc ≤ V ≤ 20 Vdc
–
4.75
–
5.0
–
5.25
4.75
–
5.0
–
5.25
–
8.0 Vdc ≤ V ≤ 20 Vdc
in
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
J
line
7.0 Vdc ≤ V ≤ 25 Vdc
–
–
5.0
1.3
100
50
–
–
5.0
1.3
100
50
in
8.0 Vdc ≤ V ≤ 12 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
1.3
0.15
100
50
–
–
1.3
0.15
100
50
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
–
3.2
8.0
–
3.2
8.0
mA
mA
J
B
Quiescent Current Change
∆I
B
7.0 Vdc ≤ V ≤ 25 Vdc
–
–
–
–
–
–
–
1.3
0.5
–
–
–
–
–
–
1.3
–
0.5
in
8.0 Vdc ≤ V ≤ 25 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
8.0 Vdc ≤ V ≤ 18 Vdc, f = 120 Hz
–
–
68
–
–
–
–
68
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
0.9
0.9
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.3
–0.3
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 10 V, I = 1.0 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7805AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
V
4.9
5.0
5.1
J
O
Output Voltage
O
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
4.8
5.0
5.2
O
in
D
7.5 Vdc ≤ V ≤ 20 Vdc
Line Regulation (Note 2)
Reg
mV
mV
line
7.5 Vdc ≤ V ≤ 25 Vdc, I = 500 mA
–
–
–
–
5.0
1.3
1.3
4.5
50
50
25
50
in
O
8.0 Vdc ≤ V ≤ 12 Vdc
in
8.0 Vdc ≤ V ≤ 12 Vdc, T = 25°C
in
J
J
7.3 Vdc ≤ V ≤ 20 Vdc, T = 25°C
in
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
1.3
0.8
0.15
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.2
6.0
6.0
mA
mA
B
(T = 25°C)
J
Quiescent Current Change
∆I
B
8.0 Vdc ≤ V ≤ 25 Vdc, I = 500 mA
–
–
–
–
–
–
0.8
0.8
0.5
in
O
J
7.5 Vdc ≤ V ≤ 20 Vdc, T = 25°C
in
5.0 mA ≤ I ≤ 1.0 A
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
3
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (continued) (V = 10 V, I = 1.0 A, T = T
in low
to T
high
[Note 1], unless otherwise noted.)
O
J
MC7805AC
Characteristic
Symbol
Min
Typ
Max
Unit
Ripple Rejection
8.0 Vdc ≤ V ≤ 18 Vdc, f = 120 Hz, I = 500 mA
RR
dB
–
–
68
–
–
in
O
Dropout Voltage (I = 1.0 A, T = 25°C)
V – V
O
2.0
Vdc
O
J
I
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance (f = 1.0 kHz)
r
0.9
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.3
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 11 V, I = 500 mA, T = T
in
to T [Note 1], unless otherwise noted.)
high
O
J
low
MC7806B
Typ
MC7806C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
5.75
6.0
6.25
5.75
6.0
6.25
J
O
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
V
O
in
D
8.0 Vdc ≤ V ≤ 21 Vdc
–
5.7
–
6.0
–
6.3
5.7
–
6.0
–
6.3
–
9.0 Vdc ≤ V ≤ 21 Vdc
in
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
J
line
8.0 Vdc ≤ V ≤ 25 Vdc
–
–
5.5
1.4
120
60
–
–
5.5
1.4
120
60
in
9.0 Vdc ≤ V ≤ 13 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
1.3
0.2
120
60
–
–
1.3
0.2
120
60
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
–
3.3
8.0
–
3.3
8.0
mA
mA
J
B
Quiescent Current Change
∆I
B
8.0 Vdc ≤ V ≤ 25 Vdc
–
–
–
–
–
–
–
1.3
0.5
–
–
–
–
–
–
1.3
–
0.5
in
9.0 Vdc ≤ V ≤ 25 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
9.0 Vdc ≤ V ≤ 19 Vdc, f = 120 Hz
–
–
65
–
–
–
–
65
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
0.9
0.9
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.3
–0.3
mV/°C
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
4
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (V = 11 V, I = 1.0 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7806AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
V
5.88
6.0
6.12
J
O
Output Voltage
O
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
5.76
6.0
6.24
O
in
D
8.6 Vdc ≤ V ≤ 21 Vdc
Line Regulation (Note 2)
Reg
mV
mV
line
8.6 Vdc ≤ V ≤ 25 Vdc, I = 500 mA
–
–
–
–
5.0
1.4
1.4
4.5
60
60
30
60
in
O
9.0 Vdc ≤ V ≤ 13 Vdc
in
9.0 Vdc ≤ V ≤ 13 Vdc, T = 25°C
in
J
J
8.3 Vdc ≤ V ≤ 21 Vdc, T = 25°C
in
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
1.3
0.9
0.2
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.3
6.0
6.0
mA
mA
B
T
J
= 25°C
Quiescent Current Change
∆I
B
9.0 Vdc ≤ V ≤ 25 Vdc, I = 500 mA
–
–
–
–
–
–
0.8
0.8
0.5
in
O
J
8.6 Vdc ≤ V ≤ 21 Vdc, T = 25°C
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
9.0 Vdc ≤ V ≤ 19 Vdc, f = 120 Hz, I = 500 mA
–
–
65
–
–
in
O
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance (f = 1.0 kHz)
r
0.9
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.3
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 14 V, I = 500 mA, T = T
in low
to T [Note 1], unless otherwise noted.)
high
O
J
MC7808B
Typ
MC7808C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
7.7
8.0
8.3
7.7
8.0
8.3
J
O
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
V
O
D
10.5 Vdc ≤ V ≤ 23 Vdc
–
7.6
–
8.0
–
8.4
7.6
–
8.0
–
8.4
–
in
11.5 Vdc ≤ V ≤ 23 Vdc
in
Line Regulation, T = 25°C, (Note 2)
Reg
mV
mV
mA
J
line
10.5 Vdc ≤ V ≤ 25 Vdc
–
–
6.0
1.7
160
80
–
–
6.0
1.7
160
80
in
11 Vdc ≤ V ≤ 17 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
1.4
.22
160
80
–
–
1.4
.22
160
80
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
B
–
3.3
8.0
–
3.3
8.0
J
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
5
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (continued) (V = 14 V, I = 500 mA, T = T
in low
to T
high
[Note 1], unless otherwise noted.)
O
J
MC7808B
Typ
MC7808C
Characteristic
Quiescent Current Change
Symbol
∆I
Min
Max
Min
Typ
Max
Unit
mA
B
10.5 Vdc ≤ V ≤ 25 Vdc
–
–
–
–
–
–
–
1.0
0.5
–
–
–
–
–
–
1.0
–
0.5
in
11.5 Vdc ≤ V ≤ 25 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
11.5 Vdc ≤ V ≤ 18 Vdc, f = 120 Hz
–
–
62
–
–
–
–
62
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
0.9
0.9
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.4
–0.4
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 14 V, I = 1.0 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7808AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
V
7.84
8.0
8.16
J
O
Output Voltage
O
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
7.7
8.0
8.3
O
D
10.6 Vdc ≤ V ≤ 23 Vdc
in
Line Regulation (Note 2)
Reg
mV
mV
line
10.6 Vdc ≤ V ≤ 25 Vdc, I = 500 mA
–
–
–
–
6.0
1.7
1.7
5.0
80
80
40
80
in
O
11 Vdc ≤ V ≤ 17 Vdc
in
11 Vdc ≤ V ≤ 17 Vdc, T = 25°C
in
J
10.4 Vdc ≤ V ≤ 23 Vdc, T = 25°C
in
J
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
1.4
1.0
.22
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.3
6.0
6.0
mA
mA
B
T
J
= 25°C
Quiescent Current Change
∆I
B
11 Vdc ≤ V ≤ 25 Vdc, I = 500 mA
–
–
–
–
–
–
0.8
0.8
0.5
in
O
10.6 Vdc ≤ V ≤ 20 Vdc, T = 25°C
in
J
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
11.5 Vdc ≤ V ≤ 21.5 Vdc, f = 120 Hz, I = 500 mA
–
–
62
–
–
in
O
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
0.9
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
TCV
Average Temperature Coefficient of Output Voltage
–0.4
mV/°C
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
6
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (V = 15 V, I = 500 mA, T = T
to T
high
[Note 1], unless otherwise noted.)
in
O
J
low
MC7809CT
Characteristic
Symbol
Min
Typ
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
V
8.65
9.0
9.35
J
O
Output Voltage
O
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
8.55
9.0
9.45
O
D
11.5 Vdc ≤ V ≤ 24 Vdc
in
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
J
line
11.5 Vdc ≤ V ≤ 26 Vdc
–
–
6.2
1.8
50
25
in
11.5 Vdc ≤ V ≤ 17 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
1.5
0.3
50
25
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
–
3.4
8.0
mA
mA
J
B
Quiescent Current Change
∆I
B
11.5 Vdc ≤ V ≤ 26 Vdc
–
–
–
–
1.0
0.5
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
11.5 Vdc ≤ V ≤ 21.5 Vdc, f = 120 Hz
–
–
61
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.0
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.5
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 19 V, I = 500 mA, T = T
in low
to T [Note 1], unless otherwise noted.)
high
O
J
MC7812B
Typ
MC7812C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
V
11.5
12
12.5
11.5
12
12.5
J
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
O
O
D
14.5 Vdc ≤ V ≤ 27 Vdc
–
11.4
–
12
–
12.6
11.4
–
12
–
12.6
–
in
15.5 Vdc ≤ V ≤ 27 Vdc
in
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
J
line
14.5 Vdc ≤ V ≤ 30 Vdc
–
–
7.5
2.2
240
120
–
–
7.5
2.2
240
120
in
16 Vdc ≤ V ≤ 22 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
1.6
1.0
240
120
–
–
1.6
1.0
240
120
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
–
3.4
8.0
–
3.4
8.0
mA
mA
J
B
Quiescent Current Change
∆I
B
14.5 Vdc ≤ V ≤ 30 Vdc
–
–
–
–
–
–
–
1.0
0.5
–
–
–
–
–
–
1.0
–
0.5
in
15 Vdc ≤ V ≤ 30 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
15 Vdc ≤ V ≤ 25 Vdc, f = 120 Hz
–
–
60
–
–
–
–
60
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
2.0
Vdc
O
J
I
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
7
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (continued) (V = 19 V, I = 500 mA, T = T
in low
to T
high
[Note 1], unless otherwise noted.)
O
J
MC7812B
Typ
MC7812C
Characteristic
Symbol
Min
Max
Min
Typ
Max
Unit
µV/V
Output Noise Voltage (T = 25°C)
V
n
A
O
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.1
1.1
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.8
–0.8
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 19 V, I = 10 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7812AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
11.75
12
12.25
J
O
O
Output Voltage
V
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
11.5
12
12.5
O
D
14.8 Vdc ≤ V ≤ 27 Vdc
in
Line Regulation (Note 2)
Reg
mV
mV
line
14.8 Vdc ≤ V ≤ 30 Vdc, I = 500 mA
–
–
–
–
7.5
2.2
2.2
6.0
120
120
60
in
O
16 Vdc ≤ V ≤ 22 Vdc
in
16 Vdc ≤ V ≤ 22 Vdc, T = 25°C
in
J
14.5 Vdc ≤ V ≤ 27 Vdc, T = 25°C
120
in
J
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
1.6
1.2
1.0
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.4
6.0
6.0
mA
mA
B
T
J
= 25°C
Quiescent Current Change
∆I
B
15 Vdc ≤ V ≤ 30 Vdc, I = 500 mA
–
–
–
–
–
–
0.8
0.8
0.5
in
O
14.8 Vdc ≤ V ≤ 27 Vdc, T = 25°C
in
J
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
15 Vdc ≤ V ≤ 25 Vdc, f = 120 Hz, I = 500 mA
–
–
60
–
–
in
O
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance (f = 1.0 kHz)
r
1.1
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–0.8
mV/°C
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
8
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (V = 23 V, I = 500 mA, T = T
in
to T [Note 1], unless otherwise noted.)
high
O
J
low
MC7815B
Typ
MC7815C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
14.4
15
15.6
14.4
15
15.6
J
O
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
V
O
D
17.5 Vdc ≤ V ≤ 30 Vdc
–
–
15
–
14.25
–
15
–
15.75
–
in
18.5 Vdc ≤ V ≤ 30 Vdc
in
14.25
15.75
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
J
line
17.5 Vdc ≤ V ≤ 30 Vdc
–
–
8.5
3.0
300
150
–
–
8.5
3.0
300
150
in
20 Vdc ≤ V ≤ 26 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
1.8
1.2
300
150
–
–
1.8
1.2
300
150
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
–
3.5
8.0
–
3.5
8.0
mA
mA
J
B
Quiescent Current Change
∆I
B
17.5 Vdc ≤ V ≤ 30 Vdc
–
–
–
–
–
–
–
1.0
0.5
–
–
–
–
–
–
1.0
–
0.5
in
18.5 Vdc ≤ V ≤ 30 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
18.5 Vdc ≤ V ≤ 28.5 Vdc, f = 120 Hz
–
–
58
–
–
–
–
58
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.2
1.2
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–1.0
–1.0
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 23 V, I = 1.0 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7815AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
V
14.7
15
15.3
J
O
Output Voltage
O
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
14.4
15
15.6
O
D
17.9 Vdc ≤ V ≤ 30 Vdc
in
Line Regulation (Note 2)
Reg
mV
mV
line
17.9 Vdc ≤ V ≤ 30 Vdc, I = 500 mA
–
–
–
–
8.5
3.0
3.0
7.0
150
150
75
in
O
20 Vdc ≤ V ≤ 26 Vdc
in
20 Vdc ≤ V ≤ 26 Vdc, T = 25°C
in
J
17.5 Vdc ≤ V ≤ 30 Vdc, T = 25°C
150
in
J
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
1.8
1.5
1.2
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.5
6.0
6.0
mA
mA
B
T
J
= 25°C
Quiescent Current Change
17.5 Vdc ≤ V ≤ 30 Vdc, I = 500 mA
∆I
B
–
–
–
–
–
–
0.8
0.8
0.5
in
O
J
17.5 Vdc ≤ V ≤ 30 Vdc, T = 25°C
in
5.0 mA ≤ I ≤ 1.0 A
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
9
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (continued) (V = 23 V, I = 1.0 A, T = T
in low
to T
high
[Note 1], unless otherwise noted.)
O
J
MC7815AC
Characteristic
Symbol
Min
Typ
Max
Unit
Ripple Rejection
18.5 Vdc ≤ V ≤ 28.5 Vdc, f = 120 Hz, I = 500 mA
RR
dB
–
–
58
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
O
V – V
O
2.0
Vdc
O
J
I
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.2
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–1.0
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 27 V, I = 500 mA, T = T
in
to T [Note 1], unless otherwise noted.)
high
O
J
low
MC7818B
Typ
MC7818C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
17.3
18
18.7
17.3
18
18.7
J
O
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
V
O
in
D
21 Vdc ≤ V ≤ 33 Vdc
–
17.1
–
18
–
18.9
17.1
–
18
–
18.9
–
22 Vdc ≤ V ≤ 33 Vdc
in
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
J
line
21 Vdc ≤ V ≤ 33 Vdc
–
–
9.5
3.2
360
180
–
–
9.5
3.2
360
180
in
24 Vdc ≤ V ≤ 30 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
2.0
1.5
360
180
–
–
2.0
1.5
360
180
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
–
3.5
8.0
–
3.5
8.0
mA
mA
J
B
Quiescent Current Change
∆I
B
21 Vdc ≤ V ≤ 33 Vdc
–
–
–
–
–
–
–
1.0
0.5
–
–
–
–
–
–
1.0
–
0.5
in
22 Vdc ≤ V ≤ 33 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
dB
22 Vdc ≤ V ≤ 33 Vdc, f = 120 Hz
–
–
57
–
–
–
–
57
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
V – V
iI O
2.0
2.0
Vdc
O
J
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.3
1.3
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–1.5
–1.5
mV/°C
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
10
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (V = 27 V, I = 10 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7818AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
V
17.64
18
18.36
J
O
Output Voltage
O
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
17.3
18
18.7
O
in
D
21 Vdc ≤ V ≤ 33 Vdc
Line Regulation (Note 2)
Reg
mV
mV
line
21 Vdc ≤ V ≤ 33 Vdc, I = 500 mA
–
–
–
–
9.5
3.2
3.2
8.0
180
180
90
in
O
24 Vdc ≤ V ≤ 30 Vdc
in
24 Vdc ≤ V ≤ 30 Vdc, T = 25°C
in
J
20.6 Vdc ≤ V ≤ 33 Vdc, T = 25°C
180
in
J
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
2.0
1.8
1.5
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.5
6.0
6.0
mA
mA
B
T
J
= 25°C
Quiescent Current Change
∆I
B
21 Vdc ≤ V ≤ 33 Vdc, I = 500 mA
–
–
–
–
–
–
0.8
0.8
0.5
in
O
J
21 Vdc ≤ V ≤ 33 Vdc, T = 25°C
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
22 Vdc ≤ V ≤ 32 Vdc, f = 120 Hz, I = 500 mA
–
–
57
–
–
in
O
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.3
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–1.5
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 33 V, I = 500 mA, T = T
in
to T [Note 1], unless otherwise noted.)
high
O
J
low
MC7824B
Typ
MC7824C
Typ
Characteristic
Output Voltage (T = 25°C)
Symbol
Min
Max
Min
Max
Unit
Vdc
Vdc
V
23
24
25
23
24
25
J
O
O
Output Voltage
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
V
O
in
D
27 Vdc ≤ V ≤ 38 Vdc
–
22.8
–
24
–
25.2
22.8
–
24
–
25.2
–
28 Vdc ≤ V ≤ 38 Vdc
in
Line Regulation, T = 25°C (Note 2)
Reg
mV
mV
mA
J
line
27 Vdc ≤ V ≤ 38 Vdc
–
–
11.5
3.8
480
240
–
–
11.5
3.8
480
240
in
30 Vdc ≤ V ≤ 36 Vdc
in
Load Regulation, T = 25°C (Note 2)
Reg
load
J
5.0 mA ≤ I ≤ 1.5 A
–
–
2.1
1.8
480
240
–
–
2.1
1.8
480
240
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current (T = 25°C)
I
B
–
3.6
8.0
–
3.6
8.0
J
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
11
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
ELECTRICAL CHARACTERISTICS (continued) (V = 33 V, I = 500 mA, T = T
in low
to T
high
[Note 1], unless otherwise noted.)
O
J
MC7824B
Typ
MC7824C
Characteristic
Quiescent Current Change
Symbol
∆I
Min
Max
Min
Typ
Max
Unit
mA
B
27 Vdc ≤ V ≤ 38 Vdc
–
–
–
–
–
–
–
1.0
0.5
–
–
–
–
–
–
1.0
–
0.5
in
28 Vdc ≤ V ≤ 38 Vdc
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
28 Vdc ≤ V ≤ 38 Vdc, f = 120 Hz
–
–
54
–
–
–
–
54
–
–
in
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
–
–
10
–
–
Output Resistance f = 1.0 kHz
r
1.4
1.4
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–2.0
–2.0
mV/°C
O
ELECTRICAL CHARACTERISTICS (V = 33 V, I = 1.0 A, T = T
to T
high
[Note 1], unless otherwise noted.)
MC7824AC
Typ
in
O
J
low
Characteristic
Symbol
Min
Max
Unit
Vdc
Vdc
Output Voltage (T = 25°C)
V
23.5
24
24.5
J
O
O
Output Voltage
V
(5.0 mA ≤ I ≤ 1.0 A, P ≤15 W)
23
24
25
O
D
27.3 Vdc ≤ V ≤ 38 Vdc
in
Line Regulation (Note 2)
Reg
mV
mV
line
27 Vdc ≤ V ≤ 38 Vdc, I = 500 mA
–
–
–
–
11.5
3.8
3.8
10
240
240
120
240
in
O
30 Vdc ≤ V ≤ 36 Vdc
in
30 Vdc ≤ V ≤ 36 Vdc, T = 25°C
in
J
26.7 Vdc ≤ V ≤ 38 Vdc, T = 25°C
in
J
Load Regulation (Note 2)
Reg
load
5.0 mA ≤ I ≤ 1.5 A, T = 25°C
–
–
–
2.1
2.0
1.8
100
100
50
O
J
5.0 mA ≤ I ≤ 1.0 A
O
250 mA ≤ I ≤ 750 mA
O
Quiescent Current
I
–
–
–
3.6
6.0
6.0
mA
mA
B
T
J
= 25°C
Quiescent Current Change
∆I
B
27.3 Vdc ≤ V ≤ 38 Vdc, I = 500 mA
–
–
–
–
–
–
0.8
0.8
0.5
in
O
J
27.3 Vdc ≤ V ≤ 38 Vdc, T = 25°C
in
5.0 mA ≤ I ≤ 1.0 A
O
Ripple Rejection
RR
V – V
dB
28 Vdc ≤ V ≤ 38 Vdc, f = 120 Hz, I = 500 mA
–
–
54
–
–
in
O
Dropout Voltage (I = 1.0 A, T = 25°C)
2.0
Vdc
O
J
I
O
Output Noise Voltage (T = 25°C)
V
µV/V
O
A
n
10 Hz ≤ f ≤ 100 kHz
–
–
10
–
–
Output Resistance (f = 1.0 kHz)
r
1.4
mΩ
O
Short Circuit Current Limit (T = 25°C)
I
A
A
SC
V
in
= 35 Vdc
–
–
–
0.2
2.2
–
–
–
Peak Output Current (T = 25°C)
I
A
J
max
Average Temperature Coefficient of Output Voltage
TCV
–2.0
mV/°C
O
NOTES: 1. T
low
= 0°C for MC78XXAC, C
= –40°C for MC78XXB
T
= +125°C for MC78XXAC, C, B
high
2. Load and line regulation are specified at constant junction temperature. Changes in V due to heating effects must be taken into account
O
separately. Pulse testing with low duty cycle is used.
12
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
Figure 1. Peak Output Current as a Function of
Input/Output Differential Voltage (MC78XXC, AC, B)
Figure 2. Ripple Rejection as a Function of
Output Voltages (MC78XXC, AC)
3.0
80
70
60
50
40
T
= – 40°C
J
2.5
2.0
1.5
1.0
0.5
0
T
= 0°C
J
f = 120 Hz
T
= 25°C
J
PART #
V
in
I
= 20 mA
O
MC7805C = 10 V
MC7806C = 11 V
MC7808C = 14 V
MC7812C = 19 V
MC7815C = 23 V
MC7818C = 27 V
MC7824C = 33 V
∆
V
= 1.0 V(RMS)
in
T
= 85°C
J
T
= 125°C
J
4.0
6.0
V
8.0
10
12
15
20
25
30
35
40
4.0
6.0
8.0
10
12
14
16
18
20
22
24
–V , INPUT/OUPUT VOLTAGE DIFFERENTIAL (V)
V
, OUTPUT VOLTAGE (V)
in out
O
Figure 3. Ripple Rejection as a Function of
Frequency (MC78XXC, AC)
Figure 4. Output Voltage as a Function of
Junction Temperature (MC7805C, AC, B)
80
70
60
50
V
= 20 V
in
= 5.0 mA
5.0
I
O
MC78XXB, C, AC
V
= 8.0 V to 18 V
= 500 mA
in
I
O
4.9
4.8
f = 120 Hz
= 25°C
T
A
40
30
0.01
0.1
1.0
10
– 60
– 20
20
60
100
140
180
f, FREQUENCY (kHz)
T , JUNCTION TEMPERATURE (
°C)
J
Figure 5. Output Impedance as a Function of
Output Voltage (MC78XXC, AC)
Figure 6. Quiescent Current as a Function of
Temperature (MC78XXC, AC, B)
10
6.0
4.0
3.0
2.0
1.0
0
= 10 V
= 5.0 V
= 20 mA
in
O
5.0
f = 120 Hz
3.0
2.0
I
C
= 500 mA
= 0 µF
O
L
1.0
0.5
0.3
0.2
0.1
4.0
8.0
12
16
20
24
–75
–50
–25
0
25
50
75
C)
100
125
V
, OUTPUT VOLTAGE (V)
T , JUNCTION TEMPERATURE (
°
O
J
13
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
APPLICATIONS INFORMATION
Design Considerations
The MC7800 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
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 µF 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 regulators 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.
Figure 7. Current Regulator
Figure 8. Adjustable Output Regulator
MC7805
Input
0.33
Output
MC7805
Input
R
µF
Constant
Current to
Grounded
Load
I
7
2
3
O
0.33
µF
6
0.1 µF
The MC7800 regulators can also be used as a current source when
connected as above. In order to minimize dissipation the MC7805C is
chosen in this application. Resistor R determines the current as follows:
10 k
1.0 k
4
MC1741G
5.0 V
R
I
=
+ I
B
O
V
V
= 7.0 V to 20 V
O
= V ≥ 2.0 V
IN
O
I
3.2 mA over line and load changes.
B
The addition of an operational amplifier allows adjustment to higher or
intermediate values while retaining regulation characteristics. The
minimum voltage obtainable with thisarrangement is 2.0 V greater than the
regulator voltage.
For example, a 1.0 A current source would require R to be a 5.0
10 W resistor and the output voltage compliance would be the input
voltage less 7.0 V.
Ω,
Figure 9. Current Boost Regulator
Figure 10. Short Circuit Protection
MJ2955
or Equiv.
MJ2955 or Equiv.
R
R
R
SC
Source
Source
Input
Input
0.33
µF
0.33 µF
R
MC78XX
2N6049
or Equiv.
Output
R
MC78XX
≥
10
µF
1.0
µF
1.0 µF
Output
1.0 µF
≥
10 µF
XX = 2 digits of type number indicating voltage.
XX = 2 digits of type number indicating voltage.
The circuit of Figure 9 can be modified to provide supply protection against
The MC7800 series can be current boosted with a PNP transistor. The
MJ2955 provides current to 5.0 A. Resistor Rin conjunction with the V
of the PNP determines when the pass transistor begins conducting; this
circuit is not short circuit proof. Input/output diferential voltage minimum is
short circuits by adding a short circuit sense resistor, R , and an additional
BE
sc
PNP transistor. The current sensing PNP must be able to handle the short
circuit current of the three–terminal regulator. Therefore, a four–ampere
plastic power transistor is specified.
increased by V
of the pass transistor.
BE
14
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
Figure 11. Worst Case Power Dissipation versus
Ambient Temperature (Case 221A)
Figure 12. Input Output Differential as a Function
of Junction Temperature (MC78XXC, AC, B)
2.5
20
16
12
8.0
4.0
0
I
= 1.0 A
O
θ
θ
T
= 5
°
C/W
= 65 C/W
= 150
JC
JA
°
I
I
= 500 mA
= 200 mA
O
θ
= 0
°
C/W
°C
HS
2.0
1.5
1.0
0.5
J(max)
O
θ
= 5°C/W
I
= 20 mA
HS
O
I
= 0 mA
O
θ
= 15
°C/W
HS
∆V
= 2% of V
O O
No Heatsink
25
– – – Extended Curve for MC78XXB
0
–75
–50
–25
0
50
75
100
125
150
–50
–25
0
25
50
75
C)
100
125
T , JUNCTION TEMPERATURE (
°
T , AMBIENT TEMPERATURE (°C)
J
2
Figure 13. D PAK Thermal Resistance and Maximum
Power Dissipation versus P.C.B. Copper Length
80
70
3.5
P
for T = 50°C
A
D(max)
3.0
2.5
2.0
1.5
1.0
Free Air
Mounted
Vertically
2.0 oz. Copper
L
60
50
40
30
Minimum
Size Pad
L
R
θ
JA
0
5.0
10
15
20
25
30
L, LENGTH OF COPPER (mm)
DEFINITIONS
Line Regulation – The change in output voltage for a
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.
Load Regulation – The change in output voltage for a
change in load current at constant chip temperature.
Maximum Power Dissipation – The maximum total
device dissipation for which the regulator will operate within
specifications.
Quiescent Current – That part of the input current that 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.
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.
Motorolareserves the right to make changes without further notice to any products herein. Motorola makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit,
andspecifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters can and do vary in different
applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Motorola does
not convey any license under its patent rights nor the rights of others. Motorola products are not designed, intended, or authorized for use as components in
systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of
the Motorola product could create a situation where personal injury or death may occur. Should Buyer purchase or use Motorola products for any such
unintendedor unauthorized application, Buyer shall indemnify and hold Motorola and its officers, employees, subsidiaries, affiliates, and distributors harmless
against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death
associated with such unintended or unauthorized use, even if such claim alleges that Motorola was negligent regarding the design or manufacture of the part.
Motorola and
are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal Opportunity/Affirmative Action Employer.
15
MOTOROLA ANALOG IC DEVICE DATA
MC7800 Series
OUTLINE DIMENSIONS
T SUFFIX
PLASTIC PACKAGE
CASE 221A–06
ISSUE Y
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIM Z DEFINES A ZONE WHERE ALL BODY AND
LEAD IRREGULARITIES ARE ALLOWED.
SEATING
–T–
PLANE
F
B
C
T
S
INCHES
MIN
MILLIMETERS
DIM
A
B
C
D
F
G
H
J
K
L
N
Q
R
S
MAX
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
–
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
–
4
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
–
A
K
Q
Z
1
2
3
U
H
L
R
J
V
T
U
V
G
D
Z
0.080
2.04
N
D2T SUFFIX
PLASTIC PACKAGE
CASE 936–03
2
(D PAK)
ISSUE B
NOTES:
1
DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
TERMINAL 4
–T–
2
3
CONTROLLING DIMENSION: INCH.
TAB CONTOUR OPTIONAL WITHIN DIMENSIONS
A AND K.
A
U
E
4
5
DIMENSIONS U AND V ESTABLISH A MINIMUM
MOUNTING SURFACE FOR TERMINAL 4.
DIMENSIONS A AND B DO NOT INCLUDE MOLD
FLASH OR GATE PROTRUSIONS. MOLD FLASH
AND GATE PROTRUSIONS NOT TO EXCEED
0.025 (0.635) MAXIMUM.
S
K
V
B
H
F
INCHES
MILLIMETERS
MIN MAX
9.804 10.236
1
2
3
DIM
A
B
C
D
E
MIN
MAX
0.403
0.368
0.180
0.036
0.055
0.386
0.356
0.170
0.026
0.045
M
9.042
4.318
0.660
1.143
9.347
4.572
0.914
1.397
L
P
J
N
F
0.051 REF
0.100 BSC
0.539 0.579 13.691 14.707
0.125 MAX
0.050 REF
1.295 REF
2.540 BSC
D
G
H
J
K
L
M
N
P
R
S
R
M
0.010 (0.254)
T
3.175 MAX
1.270 REF
G
0.000
0.088
0.018
0.058
5
0.010
0.102
0.026
0.078
0.000
0.254
2.591
0.660
1.981
2.235
0.457
1.473
5
REF
REF
C
0.116 REF
0.200 MIN
0.250 MIN
2.946 REF
5.080 MIN
6.350 MIN
U
V
Literature Distribution Centers:
USA/EUROPE: Motorola Literature Distribution; P.O. Box 20912; Phoenix, Arizona 85036.
JAPAN: Nippon Motorola Ltd.; 4–32–1, Nishi–Gotanda, Shinagawa–ku, Tokyo 141, Japan.
ASIA PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbour Center, No. 2 Dai King Street, Tai Po Industrial Estate, Tai Po, N.T., Hong Kong.
CODELINE TO BE PLACED HERE
MC7800/D
◊
相关型号：
©2020 ICPDF网 联系我们和版权申明