UNISONIC TECHNOLOGIES CO., LTD
78TXXAA
3-TERMINAL 1.5A POSITIVE
VOLTAGE REGULATOR
DESCRIPTION
LINEAR INTEGRATED CIRCUIT
The UTC
78TXXAA
family is monolithic fixed voltage regulator
integrated circuit. They are suitable for applications requiring supply
current up to 1.5 A.
FEATURES
* Output current up to 1.5A
* Fixed output voltage of 5V, 6V, 7V, 8V, 9V, 10V, 12V, 15V, 18V
and 24V available
* Thermal overload shutdown protection
* Short circuit current limiting
* Output transistor SOA protection
ORDERING INFORMATION
Ordering Number
Halogen Free
78TXXAAG-TQ2-T
78TXXAAG-TQ2-R
G: GND I: Input
Package
TO-263
TO-263
Pin Assignment
1
2
3
I
G
O
I
G
O
Packing
Tube
Tape Reel
Lead Free
78TXXAAL-TQ2-T
78TXXAAL-TQ2-R
Note: Pin Assignment: O: Output
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
1 of 10
QW-R101-044.A
78TXXAA
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
05:
06:
07:
08:
09:
10:
12:
15:
18:
24:
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-263
BLOCK DIAGRAM
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 10
QW-R101-044.A
78TXXAA
APPLICATION CIRCUIT
V
IN
1
LINEAR INTEGRATED CIRCUIT
UTC 78TXXAA 3
2
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.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 10
QW-R101-044.A
78TXXAA
PARAMETER
SYMBOL
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(Operating temperature range applies unless otherwise specified)
RATING
UNIT
V
OUT
=5~18V
35
V
Input voltage
V
IN
V
OUT
=24V
40
V
Output Current
I
OUT
1.5
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
SYMBOL
θ
JA
θ
JC
RATING
65
5
UNIT
°C/W
°C/W
PARAMETER
Junction to Ambient
Junction to Case
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 78T05AA
(V
IN
=10V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
4.80
T
J
=25°C, I
OUT
=5mA ~ 1.0A
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 ~ 1.5A
Load Regulation
V
OUT
T
J
=25°C,I
OUT
=0.25A ~ 0.75A
V
IN
=7V ~ 25V, T
J
=25°C
Line regulation
V
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
I
Q
I
OUT
=5mA ~ 1.0A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature Coefficient of Vo
Vo/T
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
For UTC 78T06AA
(V
IN
=11V)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
5.76
T
J
=25°C, I
OUT
=5mA ~ 1.0A
Output Voltage
V
OUT
V
IN
=8.5V ~ 21V,
5.70
I
OUT
=5mA ~ 1.0A, P
D
≤15W
Dropout Voltage
V
D
T
J
=25°C
T
J
=25°C,I
OUT
=5mA ~ 1.5A
Load Regulation
V
OUT
T
J
=25°C,I
OUT
=0.25A~ 0.75A
V
IN
=8V ~ 25V, T
J
=25°C
Line regulation
V
OUT
V
IN
=8.5V ~ 21V, T
J
=25°C,I
OUT
=1.0A
Quiescent Current
I
Q
T
J
=25°C, I
OUT
≤1.0A
V
IN
=8.5V ~ 21V
Quiescent Current Change
I
Q
I
OUT
=5mA ~ 1.0A
Output Noise Voltage
eN
10Hz≤f≤100kHz
Temperature Coefficient of Vo
Vo/T
I
OUT
=5mA
Ripple Rejection
RR
V
IN
=9V ~ 19V,f=120Hz, T
J
=25°C
59
Peak Output Current
I
PEAK
T
J
=25°C
Short-Circuit Current
I
SC
V
IN
=35V, T
J
=25°C
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
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
4 of 10
2.0
100
50
50
50
8.0
1.0
0.5
40
-0.6
80
1.8
250
TYP
6.0
MAX
6.24
6.30
2.0
100
50
60
60
8.0
1.0
0.5
45
-0.7
75
1.8
250
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R101-044.A
78TXXAA
ELECTRICAL CHARACTERISTICS(Cont.)
SYMBOL
V
OUT
V
D
V
OUT
V
OUT
I
Q
I
Q
eN
Vo/T
RR
I
PEAK
I
SC
SYMBOL
V
OUT
V
D
V
OUT
V
OUT
I
Q
I
Q
eN
Vo/T
RR
I
PEAK
I
SC
For UTC 78T07AA
(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 78T08AA
(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
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 ~ 1.5A
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
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 ~ 1.5A
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
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
UNIT
V
V
V
mV
mV
mV
mV
mA
mA
mA
μV
mV/°C
dB
A
mA
2.0
100
50
70
70
8.0
1.0
0.5
50
-0.8
75
1.7
250
TYP
8.0
MAX
8.32
8.40
2.0
100
50
80
80
8.0
1.0
0.5
58
-0.9
56
72
1.8
250
59
MIN
7.68
7.60
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 10
QW-R101-044.A
京公网安备 11010802033920号
EEWORLD
