UNISONIC TECHNOLOGIES CO., LTD
LM78XX
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC
LM78XX
family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 1 A.
LINEAR INTEGRATED CIRCUIT
FEATURES
* Output current up to 1A
* Fixed output voltage of 4.7V,5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V,
18V and 24V available
* Thermal overload shutdown protection
* Short circuit current limiting
* Output transistor SOA protection
Lead-free:
LM78XXL
Halogen-free:LM78XXG
ORDERING INFORMATION
Order Number
Normal
Lead Free
LM78xx-TA3-T
LM78xxL-TA3-T
LM78xx-TF3-T
LM78xxL-TF3-T
Note: Pin Assignment: O: Output G: GND
Halogen Free
LM78xxG-TA3-T
LM78xxG-TF3-T
I: Input
Package
TO-220
TO-220F
Pin Assignment
1
2
3
I
G
O
I
G
O
Packing
Tube
Tube
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Copyright © 2009 Unisonic Technologies Co., Ltd
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QW-R101-006.M
LM78XX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
47:
05:
06:
07:
08:
09:
10:
12:
15:
18:
24:
4.7 V
5.0 V
6.0 V
7.0 V
8.0 V
9.0 V
1.0 V
1.2 V
1.5 V
1.8 V
2.4 V
LINEAR INTEGRATED CIRCUIT
MARKING
TO-220
TO-220F
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QW-R101-006.M
LM78XX
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
APPLICATION CIRCUIT
V
IN
1
UTC LM78XX
2
3
V
OUT
C
I
=0.33
μF
C
O
=0.1
μF
Note 1: To specify an output voltage, substitute voltage value for "XX".
2: Bypass capacitors are recommended for optimum stability and transient response and should be located as
close as possible to the regulators.
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QW-R101-006.M
LM78XX
PARAMETER
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
RATING
UNIT
V
OUT
=4.7~18V
35
V
Input voltage
V
IN
V
OUT
=24V
40
V
Output Current
I
OUT
1
A
Power Dissipation
P
D
Internally Limited
W
Operating Junction Temperature
T
OPR
-20 ~ +150
°C
Storage Temperature
T
STG
-55 ~ +150
°C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
SYMBOL
THERMAL DATA
PARAMETER
Junction to Ambient
Junction to Case
SYMBOL
θ
JA
θ
JC
RATING
65
5
UNIT
°C/W
°C/W
ELECTRICAL CHARACTERISTICS
(I
OUT
=0.5A, T
J
= 0°C~125°C, C
I
=0.33μF, C
O
=0.1μF, unless otherwise specified)(Note 1)
For UTC LM7847
(V
IN
=9.7V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
T
J
=25°C, I
OUT
=5mA ~ 1.0A
4.512
Output Voltage
V
OUT
V
IN
=7.2V ~ 19.7V,
4.465
I
OUT
=5mA ~ 1.0A, P
D
≤15W
Dropout Voltage
V
D
T
J
=25°C
T
J
=25°C,I
OUT
=5mA ~ 1.0A
Load Regulation
ΔV
OUT
T
J
=25°C,I
OUT
=0.25A ~ 0.75A
Line regulation
V
IN
=7.2V ~ 19.7V, T
J
=25°C
ΔV
OUT
V
IN
=7.2V ~ 19.7V, T
J
=25°C, I
OUT
=1.0A
Quiescent Current
I
Q
T
J
=25°C, I
OUT
≤1.0A
V
IN
=7.2V ~ 19.7V
Quiescent Current Change
ΔI
Q
I
OUT
=5mA ~ 1.0A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature Coefficient of Vo
ΔVo/ΔT
I
OUT
=5mA
Ripple Rejection
RR
V
IN
=7.7V ~17.7V, f=120Hz, T
J
=25°C
62
Peak Output Current
I
PEAK
T
J
=25°C
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
For UTC LM7805
(V
IN
=10V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
T
J
=25°C, I
OUT
=5mA ~ 1.0A
4.80
Output Voltage
V
OUT
V
IN
=7.5V ~ 20V,
4.75
I
OUT
=5mA ~ 1.0A,P
D
≤15W
Dropout Voltage
V
D
T
J
=25°C
T
J
=25°C,I
OUT
=5mA ~ 1.0A
Load Regulation
ΔV
OUT
T
J
=25°C,I
OUT
=0.25A ~ 0.75A
V
IN
=7V ~ 25V, T
J
=25°C
Line regulation
ΔV
OUT
V
IN
=7.5V ~ 20V, T
J
=25°C, I
OUT
=1.0A
Quiescent Current
I
Q
T
J
=25°C, I
OUT
≤1.0A
V
IN
=7.5V ~ 20V
Quiescent Current Change
ΔI
Q
I
OUT
=5mA ~ 1.0A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature Coefficient of Vo
ΔVo/ΔT
I
OUT
=5mA
Ripple Rejection
RR
V
IN
=8V ~ 18V,f=120Hz, T
J
=25°C
62
Peak Output Current
I
PEAK
T
J
=25°C
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
TYP
4.70
MAX
4.888
4.935
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
4 of 10
2.0
47
24
47
47
8.0
1.0
0.5
40
-0.6
80
1.8
250
TYP
5.0
MAX
5.20
5.25
2.0
50
25
50
50
8.0
1.0
0.5
40
-0.6
80
1.8
250
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-006.M
LM78XX
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7806
(V
IN
=11V)
PARAMETER
Output Voltage
Dropout Voltage
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
For UTC LM7807
(V
IN
=13V)
PARAMETER
Output Voltage
Dropout Voltage
Load Regulation
Line regulation
Quiescent Current
Quiescent Current Change
Output Noise Voltage
Temperature Coefficient of Vo
Ripple Rejection
Peak Output Current
Short-Circuit Current
SYMBOL
V
OUT
V
D
ΔV
OUT
ΔV
OUT
I
Q
ΔI
Q
eN
ΔVo/ΔT
RR
I
PEAK
I
SC
SYMBOL
V
OUT
V
D
ΔV
OUT
ΔV
OUT
I
Q
ΔI
Q
eN
ΔVo/ΔT
RR
I
PEAK
I
SC
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
T
J
=25°C, I
OUT
=5mA ~ 1.0A
V
IN
=8.5V ~ 21V,
I
OUT
=5mA ~ 1.0A, P
D
≤15W
T
J
=25°C
T
J
=25°C,I
OUT
=5mA ~ 1.0A
T
J
=25°C,I
OUT
=0.25A~ 0.75A
V
IN
=8V ~ 25V, T
J
=25°C
V
IN
=8.5V ~ 21V, T
J
=25°C,I
OUT
=1.0A
T
J
=25°C, I
OUT
≤1.0A
V
IN
=8.5V ~ 21V
I
OUT
=5mA ~ 1.0A
10Hz≤f≤100kHz
I
OUT
=5mA
V
IN
=9V ~ 19V,f=120Hz, T
J
=25°C
T
J
=25°C
V
IN
=35V, T
J
=25°C
TEST CONDITIONS
T
J
=25°C, I
OUT
=5mA - 1.0A
V
IN
=9.5V ~ 22V,
I
OUT
=5mA ~ 1.0A, P
D
≤15W
T
J
=25°C
T
J
=25°C,I
OUT
=5mA ~ 1.0A
T
J
=25°C,I
OUT
=0.25A ~ 0.75A
V
IN
=9V ~ 25V, T
J
=25°C
V
IN
=9.5V ~ 22V, T
J
=25°C,I
OUT
=1.0A
T
J
=25°C, I
OUT
≤1.0A
V
IN
=9.5V ~ 22V
I
OUT
=5mA ~ 1.0A
10Hz≤f≤100kHz
I
OUT
=5mA
V
IN
=10V ~ 20V,f=120Hz, T
J
=25°C
T
J
=25°C
V
IN
=35V, T
J
=25°C
MIN
5.76
5.70
TYP
6.0
MAX
6.24
6.30
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
2.0
60
30
60
60
8.0
1.0
0.5
45
-0.7
75
1.8
250
TYP
7.0
MAX
7.28
7.35
2.0
70
35
70
70
8.0
1.0
0.5
50
-0.8
75
1.7
250
59
MIN
6.72
6.65
59
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www.unisonic.com.tw
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QW-R101-006.M
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