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 3.3V,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
*Pb-free plating product number: LM78XXL
ORDERING INFORMATION
Order Number
Normal
Lead Free Plating
LM78xx-TA3-D-T
LM78xxL-TA3-D-T
LM78xx-TF3-D-T
LM78xxL-TF3-D-T
Note: O: Output G: GND I: Input
Pin Assignment
1
2
3
I
G
O
I
G
O
Package
TO-220
TO-220F
Packing
Tube
Tube
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
33:3.3V
47:4.7V
05:5.0V
06:6.0V
07:7.0V
08:8.0V
09:9.0V
VOLTAGE CODE
10:10V
12:12V
15:15V
18:18V
24:24V
MARKING
TO-220
TO-220F
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
1 of 10
QW-R101-006,J
LM78XX
TEST CIRCUIT
LINEAR INTEGRATED CIRCUIT
INPUT
1
R13
T10
R17
T8
R9
T9
Z2
T12
T14
R19
R18
R12
R11
R10
R14
T11
T5
T6
T13
OUTPUT
3
R8
R15
T4
Z1
T15
R5
R4
R6
T7
R16
R1
R2
C1
T3
R7
T1
T2
R3
GND
2
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R101-006,J
LM78XX
ABSOLUTE MAXIMUM RATINGS
LINEAR INTEGRATED CIRCUIT
(Operating temperature range applies unless otherwise specified)
PARAMETER
SYMBOL
RATING
UNIT
V
OUT
=3.3~18V
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.
THERMAL DATA
PARAMETER
Thermal Resistance
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, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
For UTC LM7833
(V
IN
=5.8V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
T
J
=25°C, I
OUT
=5mA - 1.0A
3.168
Output Voltage
V
OUT
V
IN
=5.8V ~ 18.3V,
3.135
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
=5.8V ~ 18.3V, T
J
=25°C
ΔV
OUT
V
IN
=5.8V ~ 18.3V, T
J
=25°C, I
OUT
=1.0A
Quiescent Current
I
Q
T
J
=25°C, I
OUT
≦
1.0A
V
IN
=5.8V ~ 18.3V
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
I N
=6.3V–16.3V, f=120Hz, T
J
=25°C
Peak Output Current
I
PEAK
T
J
=25°C
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
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
TYP
3.30
MAX
3.432
3.465
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
3 of 10
2.0
33
17
33
33
8.0
1.0
0.5
55
-0.4
57
1.8
250
TYP
4.70
MAX
4.888
4.935
2.0
47
24
47
47
8.0
1.0
0.5
40
-0.6
80
1.8
250
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-006,J
LM78XX
ELECTRICAL CHARACTERISTICS(Cont.)
For UTC LM7805
(V
IN
=10V)
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
LINEAR INTEGRATED CIRCUIT
TEST CONDITIONS
T
J
=25°C, I
OUT
=5mA - 1.0A
V
IN
=7.5V ~ 20V,
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
=7V ~ 25V, T
J
=25°C
V
IN
=7.5V ~ 20V, T
J
=25°C, I
OUT
=1.0A
T
J
=25°C, I
OUT
≦
1.0A
V
IN
=7.5V ~ 20V
I
OUT
=5mA - 1.0A
10Hz
≦
f
≦
100kHz
I
OUT
=5mA
V
IN
=8V - 18V,f=120Hz, T
J
=25°C
T
J
=25°C
V
IN
=35V, T
J
=25°C
MIN
4.80
4.75
TYP
5.0
MAX
5.20
5.25
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
2.0
50
25
50
50
8.0
1.0
0.5
40
-0.6
80
1.8
250
62
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
SYMBOL
V
OUT
V
D
ΔV
OUT
ΔV
OUT
I
Q
ΔI
Q
eN
ΔVo/ΔT
RR
I
PEAK
I
SC
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
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
2.0
60
30
60
60
8.0
1.0
0.5
45
-0.7
75
1.8
250
59
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 10
QW-R101-006,J
LM78XX
ELECTRICAL CHARACTERISTICS(Cont.)
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
For UTC LM7808
(V
IN
=14V)
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
LINEAR INTEGRATED CIRCUIT
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
6.72
6.65
TYP
7.0
MAX
7.28
7.35
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
2.0
70
35
70
70
8.0
1.0
0.5
50
-0.8
75
1.7
250
59
SYMBOL
V
OUT
V
D
ΔV
OUT
ΔV
OUT
I
Q
ΔI
Q
eN
ΔVo/ΔT
RR
I
PEAK
I
SC
TEST CONDITIONS
T
J
=25°C, I
OUT
=5mA - 1.0A
V
IN
=10.5V ~ 23V,
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
=10.5V ~ 25V, T
J
=25°C
V
IN
=10.5V ~ 23V, T
J
=25°C,I
OUT
=1.0A
T
J
=25°C, I
OUT
≦
1.0A
V
IN
=10.5V ~ 23V
I
OUT
=5mA - 1.0A
10Hz
≦
f
≦
100kHz
I
OUT
=5mA
V
IN
=11.5V ~ 21.5V,
f=120Hz, T
J
=25°C
T
J
=25°C
V
IN
=35V, T
J
=25°C
MIN
7.68
7.60
TYP
8.0
MAX
8.32
8.40
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
2.0
80
40
80
80
8.0
1.0
0.5
58
-0.9
56
72
1.8
250
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R101-006,J
电子竞赛
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
