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Электронный компонент: 78TXXA

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UNISONIC TECHNOLOGIES CO., LTD
78TXXA
LINEAR INTEGRATED CIRCUIT
www.unisonic.com.tw
1 of 8
Copyright 2005 Unisonic Technologies Co., Ltd.
QW-R101-011,F
3-TERMINAL 1A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
The UTC 78TXXA family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications that required
supply current up to 1 A.
FEATURES
*Peak output current up to 1 A
*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
TO-263
1
1
TO-263-3
*Pb-free plating product number: 78TXXAL
ORDERING INFORMATION
Order Number
Pin Assignment
Normal
Lead Free Plating
1
2
3
Package
Packing
78TxxA-TQ2-D-R 78TxxAL-TQ2-D-R I
G
O
TO-263
Tape
Reel
78TxxA-TQ3-D-R 78TxxAL-TQ3-D-R I
G
O
TO-263-3
Tape
Reel
Note:
xx: output voltage, refer to Marking Information
MARKING INFORMATION
PACKAGE VOLTAGE CODE
MARKING
TO-263
TO-263-3
3 3 : 3 . 3 V
4 7 : 4 . 7 V
0 5 : 5 . 0 V
0 6 : 6 . 0 V
0 7 : 7 . 0 V
0 8 : 8 . 0 V
0 9 : 9 . 0 V
10 :1 0V
12 :1 2V
15 :1 5V
18 :1 8V
24 :2 4V

1
2
3
UTC
78TXXA
DATE CODE
VOLTAGE CODE
78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
2 of 8
www.unisonic.com.tw
QW-R101-011,F
TEST CIRCUIT
3
1
2
GND
OUTPUT
INPUT
R13
R17
R9
Z2
T12
T14
R19
R18
R12
R11
R10
R8
T8
T9
T13
T10
R14
T11
T5
T6
R5
T4
Z1
R15
T15
R16
R1
R2
R4
C1
R6
T7
T3
T1
T2
R3
R7
78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
3 of 8
www.unisonic.com.tw
QW-R101-011,F
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
PARAMETER SYMBOL
RATING
UNIT
V
OUT
=3.3~18V V
IN
35 V
Input Voltage
V
OUT
=24V V
IN
40 V
Output Current
I
OUT
1 A
Power Dissipation
P
D
Internally
Limited
W
Junction Temperature
T
J
+125
C
Operating Junction Temperature
T
OPR
0~
+70
C
Storage Temperature
T
STG
-40~
+150
C
Note 1. 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.
2. The device is guaranteed to meet performance specification within 0
~+70
operating temperature range
and assured by design from -20
~+85
.
ELECTRICAL CHARACTERISTICS
FOR 78T33A (V
IN
=5.8V, I
OUT
=0.5A, T
J
= 0
C-125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA-1.0A 3.168
3.30
3.432
V
Output Voltage
V
OUT
V
IN
=5.8V~18.3V, I
OUT
=5mA-1.0A, P
D
1
5W 3.135 3.465
V
T
J
=25
C, I
OUT
=5mA-1.0A
33
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
17
mV
V
IN
=5.8V~18.3V, T
J
=25
C
33
mV
Line regulation
V
OUT
V
IN
=5.8V~18.3V, T
J
=25
C, I
OUT
=1.0A
33
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=5.8V~18.3V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
55
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5Ma
-0.4
mV/
C
Ripple Rejection
RR
V
IN
=6.3V-16.3V, f=120Hz,T
J
=25
C
57
dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
FOR 78T47A (V
IN
=9.7V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN TYP MAX UNIT
T
J
=25
C, I
OUT
=5mA-1.0A 4.512
4.70
4.888
V
Output Voltage
V
OUT
V
IN
=7.2V~19.7V,I
OUT
=5mA-1.0A,P
D
15W
4.465 4.935
V
T
J
=25
C, I
OUT
=5mA-1.0A
47
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
24
mV
V
IN
=7.2V~19.7V, T
J
=25
C
47
mV
Line regulation
V
OUT
V
IN
=7.2V~19.7V, T
J
=25
C, I
OUT
=1.0A
47
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=7.2V~19.7V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
40
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-0.6
mV/
C
Ripple Rejection
RR
V
IN
=7.7V-17.7V, f=120Hz, T
J
=25
C 62
80
dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
4 of 8
www.unisonic.com.tw
QW-R101-011,F
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T05A (V
IN
=10V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA - 1.0A
4.80
5.0
5.20
V
Output Voltage
V
OUT
V
IN
=7.5V~20V,I
OUT
=5mA-1.0A, P
D
15W
4.75 5.25 V
T
J
=25
C, I
OUT
=5mA-1.0A
50
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
25
mV
V
IN
=7V~25V, T
J
=25
C
50
mV
Line regulation
V
OUT
V
IN
=7.5V~20V, T
J
=25
C, I
OUT
=1.0A
50
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=7.5V~20V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
40
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-0.6
mV/
C
Ripple Rejection
RR
V
IN
=8V-18V, f=120Hz, T
J
=25
C 62
80
dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
FOR 78T06A (V
IN
=11V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA-1.0A 5.76
6.0
6.24
V
Output Voltage
V
OUT
V
IN
=8.5V~21V,I
OUT
=5mA-1.0A, P
D
15W
5.70 6.30 V
T
J
=25
C, I
OUT
=5mA-1.0A
60
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
30
mV
V
IN
=8V~25V, T
J
=25
C
60
mV
Line regulation
V
OUT
V
IN
=8.5V~21V, T
J
=25
C, I
OUT
=1.0A
60
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=8.5V~21V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
45
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-0.7
mV/
C
Ripple Rejection
RR
V
IN
=9V-19V, f=120Hz, T
J
=25
C 59
75
dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
FOR 78T07A (V
IN
=13V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA-1.0A 6.72
7.0
7.28
V
Output Voltage
V
OUT
V
IN
=9.5V~22V,I
OUT
=5mA-1.0A,P
D
15W
6.65 7.35 V
T
J
=25
C, I
OUT
=5mA-1.0A
70
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
35
mV
V
IN
=9V~25V, T
J
=25
C
70
mV
Line regulation
V
OUT
V
IN
=9.5V~22V, T
J
=25
C, I
OUT
=1.0A
70
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=9.5V~22V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
50
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-0.8
mV/
C
Ripple Rejection
RR
V
IN
=10V-20V, f=120Hz, T
J
=25
C 59
75
dB
Peak Output Current
I
PEAK
T
J
=25
C
1.7
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
78TXXA
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
5 of 8
www.unisonic.com.tw
QW-R101-011,F
ELECTRICAL CHARACTERISTICS(Cont.)
FOR 78T08A (V
IN
=14V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA-1.0A 7.68
8.0
8.32
V
Output Voltage
V
OUT
V
IN
=10.5V~23V,I
OUT
=5mA-1.0A,P
D
15W
7.60 8.40 V
T
J
=25
C, I
OUT
=5mA-1.0A
80
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
40
mV
V
IN
=10.5V~25V, T
J
=25
C
80
mV
Line regulation
V
OUT
V
IN
=10.5V~23V, T
J
=25
C, I
OUT
=1.0A
80
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=10.5V~23V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
58
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-0.9
mV/
C
Ripple Rejection
RR
V
IN
=11.5V~21.5V, f=120Hz, T
J
=25
C 56
72 dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
FOR 78T09A (V
IN
=15V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA - 1.0A
8.64
9.0
9.36
V
Output Voltage
V
OUT
V
IN
=11.5V~24V,I
OUT
=5mA-1.0A,P
D
15W
8.55 9.45 V
T
J
=25
C, I
OUT
=5mA-1.0A
90
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
45
mV
V
IN
=11.5V~25 V, T
J
=25
C
90
mV
Line regulation
V
OUT
V
IN
=11.5V~24V, T
J
=25
C, I
OUT
=1.0A
90
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=11.5V~24V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
58
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-1.1
mV/
C
Ripple Rejection
RR V
IN
=12.5V~22.5V,
f=120Hz, T
J
=25
C
56 72 dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V
FOR 78T10A (V
IN
=16V, I
OUT
=0.5A, T
J
= 0
C - 125
C, C1=0.33uF, Co=0.1uF, unless otherwise specified)(Note 1)
PARAMETER SYMBOL TEST
CONDITIONS MIN
TYP
MAX
UNIT
T
J
=25
C, I
OUT
=5mA-1.0A 9.60
10.0
10.40
V
Output Voltage
V
OUT
V
IN
=12.5V~25V,I
OUT
=5mA-1.0A,P
D
15W
9.50 10.50
V
T
J
=25
C, I
OUT
=5mA-1.0A
100
mV
Load Regulation
V
OUT
T
J
=25
C, I
OUT
=0.25A-0.75A
50
mV
V
IN
=13V~25V, T
J
=25
C
100
mV
Line regulation
V
OUT
V
IN
=13V~25V, T
J
=25
C, I
OUT
=1.0A
100
mV
Quiescent Current
I
Q
T
J
=25
C, I
OUT
1.0A
8.0
mA
V
IN
=12.6V~25V
1.0
mA
Quiescent Current Change
I
Q
I
OUT
=5mA-1.0A
0.5
mA
Output Noise Voltage
eN
10Hz f 100kHz
58
V
Temperature coefficient of Vo
Vo/
T I
OUT
=5mA
-1.1
mV/
C
Ripple Rejection
RR
V
IN
=13V-23V, f=120Hz, T
J
=25
C 56
72
dB
Peak Output Current
I
PEAK
T
J
=25
C
1.8
A
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25
C
250
mA
Dropout Voltage
V
D
T
J
=25
C
2.0
V