FAIRCHILD KA78M20R

www.fairchildsemi.com
KA78MXX
3-terminal 0.5A positive voltage regulator
Features
Description
•
•
•
•
•
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.
Output Current up to 0.5A
Output Voltages of 5, 6, 8, 10, 12, 15, 18, 20, 24V
Thermal Overload Protection
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
VI
VI
35
40
V
V
Input Voltage (for VO = 5V to 18V)
(for VO = 24V)
Thermal Resistance Junction-Cases
RθJC
5
°C/W
Thermal Resistance Junction-Air (TO-220 Package)
RθJA
65
°C/W
Operating Temperature Range KA78MXX/R
TOPR
0~ + 125
°C
Storage Temperature Range
TSTG
-65~ + 150
°C
Electrical Characteristics (KA78M05/KA78M05R)
(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI=10V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
Quiescent Current Change
Output Voltage Drift
IQ
∆IQ
∆V/∆T
Conditions
Min.
Typ.
Max.
TJ=+25°C
4.8
5
5.2
IO = 5 to 350mA
VI= 7 to 20V
4.75
5
5.25
VI= 7 to 25V
-
-
100
VI = 8 to 25V
-
-
50
IO = 200mA
TJ =+25°C
Unit
V
mV
IO = 5mA to 0.5A, TJ =+25°C
-
-
100
IO = 5mA to 200mA, TJ =+25 °C
-
-
50
TJ=+25°C
-
4.0
6
IO = 5mA to 350mA
-
-
0.5
IO = 200mA
VI = 8 to 25V
-
-
0.8
IO = 5mA
TJ = 0 to +125°C
-
−0.5
-
mV/°C
-
40
-
µV
-
-
dB
mV
mA
mA
Output Noise Voltage
VN
f = 10Hz to 100KHz
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 8 to 18V
62
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ=+25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ =+25°C
-
700
-
mA
Notes:
*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.
2
KA78MXX
Electrical Characteristics (KA78M06/KA78M06R)
(Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI =11V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
Conditions
Min.
Typ.
Max.
TJ=+25°C
5.75
6
6.25
IO = 5 to 350mA
VI= 8 to 21V
5.7
6
6.3
VI= 8 to 25V
-
-
100
VI = 9 to 25V
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
120
IO = 5mA to 200mA, TJ =+25°C
-
-
60
TJ=+25°C
-
4.0
6
IO = 200mA
TJ =+25°C
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
IO = 200mA
VI = 9 to 25V
-
-
0.8
IO = 5mA
TJ = 0 to +125°C
-
− 0.5
-
mV/°C
VN
f = 10Hz to 100KHz
-
45
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 9 to 19V
59
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ= +25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ =+25°C
-
700
-
mA
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
∆IQ
∆V/∆T
mA
Notes:
*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.
3
KA78MXX
Electrical Characteristics (KA78M08/KA78M08R)
(Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI=14V, unless otherwise specified, CI =0.33µF, CO=0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
Conditions
Min.
Typ.
Max.
TJ=+25 °C
7.7
8
8.3
IO = 5 to 350mA
VI= 10.5 to 23V
7.6
8
8.4
VI= 10.5 to 25V
-
-
100
VI = 11 to 25V
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
160
IO = 5mA to 200mA, TJ =+25°C
-
-
80
TJ=+25°C
-
4.0
6
IO = 200mA
TJ =+25°C
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
IO = 200mA
VI = 10.5 to 25V
-
-
0.8
IO = 5mA
TJ = 0 to +125°C
-
−0.5
-
mV/°C
VN
f = 10Hz to 100KHz
-
52
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 9 to 19V
56
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ =+25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ =+25°C
-
700
-
mA
Quiescent Current Change
∆IQ
Output Voltage Drift
RR
Output Noise Voltage
mA
Notes:
*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.
4
KA78MXX
Electrical Characteristics (KA78M10/KA78M10R)
(Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI=17V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
Conditions
Min.
Typ.
Max.
TJ= +25°C
9.6
10
10.4
IO = 5 to 350mA
VI= 12.5 to 25V
9.5
10
10.5
VI= 12.5 to 25V
-
-
100
VI = 13 to 25V
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
200
IO = 5mA to 200mA, TJ =+25°C
-
-
100
TJ=+25°C
-
4.1
6
IO = 200mA
TJ =+25°C
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
∆IQ
IO = 200mA
VI = 12.5 to 25V
-
-
0.8
∆V/∆T
IO = 5mA
TJ = 0 to +125°C
-
−0.5
-
mV/°C
VN
f = 10Hz to 100KHz
-
65
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 13 to 23V
55
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ= +25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ =+25°C
-
700
-
mA
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
mA
Notes:
*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.
5
KA78MXX
Electrical Characteristics (KA78M12/KA78M12R)
(Refer to the test circuits, 0 ≤ TJ ≤125°C, IO=350mA, VI =19V, unless otherwise specified, CI =0.33µF, CO =0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
Conditions
Min.
Typ.
Max.
TJ=+25°C
11.5
12
12.5
IO = 5 to 350mA
VI= 14.5 to 27V
11.5
12
12.6
VI= 14.5 to 30V
-
-
100
VI = 16 to 30V
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
240
IO = 5mA to 200mA, TJ =+25°C
-
-
120
TJ=+25°C
-
4.1
6
IO = 200mA
TJ =+25°C
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
∆IQ
IO = 200mA
VI = 14.5 to 30V
-
-
0.8
∆V/∆T
IO = 5mA
TJ = 0 to +125°C
-
− 0.5
-
mV/°C
VN
f = 10Hz to 100KHz
-
75
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 15 to 25V
55
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ= +25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ = +25°C
-
700
-
mA
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
mA
Notes:
*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.
6
KA78MXX
Electrical Characteristics (KA78M15/KA78M15R)
(Refer to the test circuits, 0 < TJ < +125°C, IO=350mA, VI =23V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
Conditions
Min.
Typ.
Max.
TJ=+25°C
14.4
15
15.6
IO = 5 to 350mA
VI= 17.5 to 30V
14.25
15
15.75
VI= 17.5 to 30V
-
-
100
VI = 20 to 30V
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
300
IO = 5mA to 200mA, TJ =+25°C
-
-
150
TJ=+25°C
-
4.1
6
IO = 200mA
TJ =+25°C
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
∆IQ
IO = 200mA
VI = 17.5 to 30V
-
-
0.8
∆V/∆T
IO = 5mA
TJ = 0 to +125°C
-
−1
-
mV/°C
VN
f = 10Hz to 100KHz
-
100
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 18.5 to 28.5V
54
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ= +25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ = + 25°C
-
700
-
mA
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
mA
Notes:
*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.
7
KA78MXX
Electrical Characteristics (KA78M18/KA78M18R)
(Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI =26V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VΟ
Quiescent Current
Quiescent Current Change
Output Voltage Drift
IQ
∆IQ
∆V/∆T
Conditions
Min. Typ.
Max.
TJ=+25°C
17.3
18
18.7
IO = 5 to 350mA
VI= 20.5 to 33V
17.1
18
18.9
VI= 21 to 33V
-
-
100
VI = 24 to 33V
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
360
IO = 5mA to 200mA, TJ =+25°C
-
-
180
TJ =+25°C
-
4.2
6
IO = 200mA
TJ =+25°C
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
IO = 200mA
VI = 21 to 33V
-
-
0.8
IO =5mATJ =0 to 125°C
-
−1.1
-
mV/°C
-
100
-
µV
mA
Output Noise Voltage
VN
f=10Hz to 100KHz
Ripple Rejection
RR
f=120Hz, IO=300mA , VI=22 to 32V
53
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO=500mA
-
2
-
V
Short Circuit Current
ISC
TJ =+25°C, VI=35V
-
300
-
mA
Peak Current
IPK
TJ =+25°C
-
700
-
mA
Notes:
*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.
8
KA78MXX
Electrical Characteristics (KA78M20/KA78M20R)
(Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI =29V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
19.2
20
20.8
19
20
21
IO = 200mA VI= 23 to 35V
TJ =+25°C
VI = 24 to 35V
-
-
100
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
400
IO = 5mA to 200mA, TJ =+25°C
-
-
200
TJ=+25°C
-
4.2
6
TJ= +25°C
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
IO = 5 to 350mA
VI= 23 to 35V
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
IO = 200mA
VI = 23 to 35V
-
-
0.8
IO = 5mA
TJ = 0 to +125°C
-
−1.1
-
mV/°C
VN
f = 10Hz to 100KHz
-
110
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 24 to 34V
53
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ = +25°C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ = +25°C
-
700
-
mA
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
∆IQ
∆V/∆T
mA
Notes:
*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.
9
KA78MXX
Electrical Characteristics (KA78M24/KA78M24R)
(Refer to the test circuits, 0 ≤ TJ ≤ +125°C, IO=350mA, VI=33V, unless otherwise specified, CI = 0.33µF, CO=0.1µF)
Parameter
Symbol
Conditions
Min.
Typ.
Max.
23
24
25
22.8
24
25.2
IO = 200mA VI= 27 to 38V
TJ =+25°C VI = 28 to 38V
-
-
100
-
-
50
IO = 5mA to 0.5A, TJ =+25°C
-
-
480
IO = 5mA to 200mA, TJ =+25°C
-
-
240
TJ=+25°C
-
4.2
6
TJ=+25°C
Output Voltage
VO
Line Regulation
∆VO
Load Regulation
∆VO
Quiescent Current
IQ
IO = 5 to 350mA
VI= 27 to 38V
Unit
V
mV
mV
mA
IO = 5mA to 350mA
-
-
0.5
IO = 200mA
VI = 27 to 38V
-
-
0.8
IO = 5mA
TJ = 0 to +125°C
-
− 1.2
-
mV/°C
VN
f = 10Hz to 100KHz
-
170
-
µV
Ripple Rejection
RR
f = 120Hz, IO = 300mA
VI = 28 to 38V
50
-
-
dB
Dropout Voltage
VD
TJ =+25°C, IO = 500mA
-
2
-
V
Short Circuit Current
ISC
TJ= +25 °C, VI= 35V
-
300
-
mA
Peak Current
IPK
TJ =+25°C
-
700
-
mA
Quiescent Current Change
Output Voltage Drift
Output Noise Voltage
∆IQ
∆V/∆T
mA
Notes:
*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.
10
KA78MXX
Typical Applications
VI
Vo
Figure 1. Fixed Output Regulator
VI
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
2.80 ±0.10
(3.00)
+0.10
1.30 –0.05
18.95MAX.
(3.70)
ø3.60 ±0.10
15.90 ±0.20
1.30 ±0.10
(8.70)
(1.46)
9.20 ±0.20
(1.70)
9.90 ±0.20
1.52 ±0.10
0.80 ±0.10
2.54TYP
[2.54 ±0.20]
10.08 ±0.30
(1.00)
13.08 ±0.20
)
(45°
1.27 ±0.10
+0.10
0.50 –0.05
2.40 ±0.20
2.54TYP
[2.54 ±0.20]
10.00 ±0.20
13
KA78MXX
Mechanical Dimensions (Continued)
Package
D-PAK
MIN0.55
0.91 ±0.10
9.50 ±0.30
0.50 ±0.10
0.76 ±0.10
0.50 ±0.10
1.02 ±0.20
2.30TYP
[2.30±0.20]
(3.05)
(2XR0.25)
(0.10)
2.70 ±0.20
6.10 ±0.20
9.50 ±0.30
0.76 ±0.10
14
(1.00)
6.60 ±0.20
(5.34)
(5.04)
(1.50)
(0.90)
2.30 ±0.20
(0.70)
2.30TYP
[2.30±0.20]
(0.50)
2.30 ±0.10
0.89 ±0.10
MAX0.96
(4.34)
2.70 ±0.20
0.80 ±0.20
0.60 ±0.20
(0.50)
6.10 ±0.20
5.34 ±0.30
0.70 ±0.20
6.60 ±0.20
KA78MXX
Ordering Information
Product Number
Package
Operating Temperature
KA78M05
KA78M06
KA78M08
KA78M10
KA78M12
TO-220
KA78M15
KA78M18
KA78M20
KA78M24
0 ~ + 125°C
KA78M05R
KA78M06R
KA78M08R
KA78M10R
KA78M12R
D-PAK
KA78M15R
KA78M18R
KA78M20R
KA78M24R
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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