KA78M10 [FAIRCHILD]
3-terminal 0.5A positive voltage regulator; 三端0.5A正电压稳压器
| 型号： | KA78M10 |
| 厂家： | 
FAIRCHILD SEMICONDUCTOR |
| 描述： | 3-terminal 0.5A positive voltage regulator |
| 文件： | 总16页 (文件大小：83K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
www.fairchildsemi.com
KA78MXX
3-terminal 0.5A positive voltage regulator
Features
Description
• Output Current up to 0.5A
• Output Voltages of 5, 6, 8, 10, 12, 15, 18, 20, 24V
• Thermal Overload Protection
The KA78MXX 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
1
D-PAK
1
1. Input 2. GND 3. Output
Internal Block Digram
Rev. 5.0
©2000 Fairchild Semiconductor International
KA78MXX
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
R
5
°C/W
°C/W
°C
θJC
θJA
Thermal Resistance Junction-Air (TO-220 Package)
Operating Temperature Range KA78MXX/R
Storage Temperature Range
R
65
T
OPR
0~ + 125
-65~ + 150
T
STG
°C
Electrical Characteristics (KA78M05/KA78M05R)
(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
Output Voltage
Symbol
Conditions
Min.
Typ.
Max.
Unit
T =+25°C
4.8
5
5.2
J
V
O
V
I
= 5 to 350mA
V = 7 to 20V
O
4.75
5
5.25
I
V = 7 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
O
T =+25°C
V = 8 to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
100
50
O
O
J
Load Regulation
mV
mA
= 5mA to 200mA, T =+25 °C
J
Quiescent Current
I
T =+25°C
4.0
-
6
Q
J
I
I
= 5mA to 350mA
= 200mA
0.5
O
Quiescent Current Change
∆I
mA
Q
O
I
-
-
0.8
V = 8 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
−0.5
40
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
N
f = 10Hz to 100KHz
f = 120Hz, I = 300mA
V = 8 to 18V
O
RR
62
dB
I
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
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M06/KA78M06R)
(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
Output Voltage
Symbol
Conditions
Min.
Typ.
Max.
Unit
TJ=+25°C
5.75
6
6.25
V
O
V
I
= 5 to 350mA
V = 8 to 21V
O
5.7
6
6.3
I
V = 8 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
O
T =+25°C
V = 9 to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
120
60
O
O
J
Load Regulation
mV
mA
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.0
-
6
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 9 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
− 0.5
45
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
N
f = 10Hz to 100KHz
f = 120Hz, I = 300mA
V = 9 to 19V
O
RR
59
dB
I
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
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M08/KA78M08R)
(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
Output Voltage
Symbol
Conditions
T =+25 °C
Min.
Typ.
Max.
Unit
7.7
8
8.3
J
V
V
O
I
= 5 to 350mA
O
7.6
8
8.4
V = 10.5 to 23V
I
V = 10.5 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
T =+25°C
V = 11 to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
160
80
O
O
J
Load Regulation
mV
mA
O
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.0
-
6
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 10.5 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
RR
-
-
−0.5
52
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
N
f = 120Hz, I = 300mA
V = 9 to 19V
O
RR
56
dB
I
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
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M10/KA78M10R)
(Refer to the test circuits, 0 ≤ T ≤ +125°C, I =350mA, V =17V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T = +25°C
Min.
Typ.
Max.
Unit
9.6
10
10.4
J
V
V
O
I
= 5 to 350mA
O
9.5
10
10.5
V = 12.5 to 25V
I
V = 12.5 to 25V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
T =+25°C
V = 13 to 25V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
200
100
6
O
O
J
Load Regulation
mV
mA
O
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.1
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 12.5 to 25V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
−0.5
65
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
N
f = 120Hz, I = 300mA
V = 13 to 23V
O
RR
55
dB
I
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
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M12/KA78M12R)
(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
Output Voltage
Symbol
Conditions
T =+25°C
Min.
Typ.
Max.
Unit
11.5
12
12.5
J
V
V
O
I
= 5 to 350mA
O
11.5
12
12.6
V = 14.5 to 27V
I
V = 14.5 to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
T =+25°C
V = 16 to 30V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
240
120
6
O
O
J
Load Regulation
mV
mA
O
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.1
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 14.5 to 30V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
− 0.5
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
75
N
f = 120Hz, I = 300mA
V = 15 to 25V
O
RR
55
dB
I
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
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M15/KA78M15R)
(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
Output Voltage
Symbol
Conditions
T =+25°C
Min.
Typ.
Max.
Unit
14.4
15
15.6
J
V
V
O
I
= 5 to 350mA
O
14.25
15
15.75
V = 17.5 to 30V
I
V = 17.5 to 30V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
∆V
mV
O
O
T =+25°C
V = 20 to 30V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
300
150
6
O
O
J
Load Regulation
mV
mA
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.1
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 17.5 to 30V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
− 1
100
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
N
f = 120Hz, I = 300mA
V = 18.5 to 28.5V
O
RR
54
dB
I
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
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M18/KA78M18R)
(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
Output Voltage
Symbol
Conditions
Min. Typ. Max. Unit
T =+25°C
17.3 18
18.7
J
V
O
V
I
= 5 to 350mA
V = 20.5 to 33V
O
17.1 18
18.9
I
V = 21 to 33V
-
-
-
-
-
-
-
100
50
I
I
= 200mA
O
J
Line Regulation
∆V
mV
O
T =+25°C
V = 24 to 33V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
360
180
6
O
O
J
Load Regulation
∆VΟ
mV
mA
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.2
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 21 to 33V
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
Dropout Voltage
∆V/∆T
I
=5mAT =0 to 125°C
-
-
−1.1
100
-
-
-
-
-
-
-
mV/°C
µV
O
J
V
N
f=10Hz to 100KHz
f=120Hz, I =300mA , V =22 to 32V
RR
53
-
dB
O
I
V
D
T =+25°C, I =500mA
2
V
J
O
Short Circuit Current
Peak Current
I
T =+25°C, V =35V
-
300
700
mA
mA
SC
J
I
I
T =+25°C
-
PK
J
Notes:
*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
KA78MXX
Electrical Characteristics (KA78M20/KA78M20R)
(Refer to the test circuits, 0 ≤ T ≤ +125°C, I =350mA, V =29V, unless otherwise specified, C = 0.33µF, C =0.1µF)
J
O
I
I
O
Parameter
Output Voltage
Symbol
Conditions
T = +25°C
Min.
Typ.
Max.
Unit
19.2
20
20.8
J
V
V
O
I
= 5 to 350mA
O
19
20
21
V = 23 to 35V
I
V = 23 to 35V
= 200mA
-
-
-
-
-
-
-
100
50
I
I
O
J
Line Regulation
∆V
∆V
mV
O
O
T =+25°C
V = 24 to 35V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
400
200
6
O
O
J
Load Regulation
mV
mA
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.2
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 23 to 35V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
−1.1
110
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
N
f = 120Hz, I = 300mA
V = 24 to 34V
O
RR
53
dB
I
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
Notes:
*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.
9
KA78MXX
Electrical Characteristics (KA78M24/KA78M24R)
(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
Output Voltage
Symbol
Conditions
Min.
Typ.
Max.
Unit
T =+25°C
23
24
25
J
V
V
O
I
= 5 to 350mA
V = 27 to 38V
O
22.8
24
25.2
I
V = 27 to 38V
= 200mA
-
-
-
-
-
-
-
100
50
I
I
O
J
Line Regulation
∆V
∆V
mV
O
T =+25°C
V = 28 to 38V
I
-
I
I
= 5mA to 0.5A, T =+25°C
-
-
480
240
6
O
O
J
Load Regulation
mV
mA
O
= 5mA to 200mA, T =+25°C
J
Quiescent Current
I
T =+25°C
4.2
-
Q
J
I
= 5mA to 350mA
0.5
O
Quiescent Current Change
∆I
mA
Q
I
= 200mA
O
I
-
-
0.8
V = 27 to 38V
I
= 5mA
O
J
Output Voltage Drift
Output Noise Voltage
Ripple Rejection
∆V/∆T
-
-
− 1.2
170
-
-
-
-
mV/°C
µV
T = 0 to +125°C
V
f = 10Hz to 100KHz
N
f = 120Hz, I = 300mA
V = 28 to 38V
O
RR
50
dB
I
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
Notes:
*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.
10
KA78MXX
Typical Applications
V
V
o
I
Figure 1. Fixed Output Regulator
V
I
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. Required if regulator is located an appreciable distance from power Supply filter
Figure 3. Circuit for Increasing Output Voltage
11
KA78MXX
Figure 4. Adjustable Output Regulator (7 to 30V)
Figure 5. 0.5 to 10V Regulator
12
KA78MXX
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
(45
°
)
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
13
KA78MXX
Mechanical 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
14
KA78MXX
Ordering Information
Product Number
KA78M05
Package
Operating Temperature
KA78M06
KA78M08
KA78M10
KA78M12
TO-220
KA78M15
KA78M18
KA78M20
KA78M24
0 ~ + 125°C
KA78M05R
KA78M06R
KA78M08R
KA78M10R
KA78M12R
KA78M15R
KA78M18R
KA78M20R
KA78M24R
D-PAK
15
KA78MXX
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
INTERNATIONAL. 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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