UNISONIC TECHNOLOGIES CO., LTD
UT71XX
THREE-TERMINAL LOW POWER
VOLTAGE REGULATORS
DESCRIPTION
The UTC
UT71XX
series is a set of three- Terminal low power
voltage regulators implemented in CMOS technology. They are
available with several fixed output voltages ranging from 1.5V~7.0V.
The advantage of CMOS technology is low voltage dropout and low
quiescent current.
Although designed primarily as fixed voltage regulators, these
devices can be used with external components to obtain variable
voltages and currents.
1
CMOS IC
SOT-89
1
TO-92
FEATURES
* Accurate Output Voltage Range (±2.4%)
* Low Power Consumption
* Low Voltage Dropout
* Low Temperature Coefficient
* Wide Operating Voltage (24V Max.)
*Pb-free plating product number: UT71XXL
ORDERING INFORMATION
Order Number
Normal
Lead free plating
UT71XX-AB3-C-R
UT71XX
L
-AB3-C-R
UT71XX-T92-B-B
UT71XXL-T92-B-B
UT71XX-T92-B-K
UT71XXL-T92-B-K
UT71XX-T92-C-B
UT71XXL-T92-C-B
UT71XX-T92-C-K
UT71XXL-T92-C-K
Package
SOT-89
TO-92
TO-92
TO-92
TO-92
Pin Assign.
1
2
3
G
I
O
O
G
I
O
G
I
G
I
O
G
I
O
Packing
Tape Reel
Tape Box
Bulk
Tape Box
Bulk
Note: 1. xx: Output Voltage, refer to Marking Information.
2. Pin assignment: I: V
IN
O: V
OUT
G:Ground
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UT71XX
MARKING INFORMATION
PACKAGE
VOLTAGE CODE
MARKING
CMOS IC
SOT-89
TO-92
15:1.5V
18:1.8V
20:2.0V
25:2.5V
27:2.7V
28:2.8V
30:3.0V
33:3.3V
36:3.6V
44:4.4V
45:4.5V
50:5.0V
70:7.0V
Date Code
UT71XXX
1
2
3
Space:Pb/Sn
L:Pb-free
Voltage Code
UTC
UT71XXX
Pin Code
Space:Pb/Sn
L:Pb-free
Voltage Code
Date Code
1
BLOCK DIAGRAM
2
3
V
IN
V
OUT
V
ref
+
GND
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UT71XX
ABSOLUTE MAXIMUM RATINGS
PARAMETER
CMOS IC
SYMBOL
RATINGS
UNIT
Supply Voltage
V
CC
-0.3 ~ +28
V
Power Dissipation
P
D
200
mW
Operating Temperature
T
OPR
0 ~ +70
℃
Storage Temperature
T
STG
-40 ~ +150
℃
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 CHARACTRISTICS
(Ta=25
℃
)
FOR UT7115
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△
V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=3.5V, I
OUT
=10mA
V
IN
=3.5V,1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=3.5V
V
IN
=3.5V, No load
2.5V≤V
IN
≤24V,
I
OUT
=0.5mA
V
IN
=3.5V, I
OUT
=10mA
0°C<Ta<70°C
MIN
1.464
TYP
1.5
60
60
30
4
0.2
±0.2
MAX
1.536
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
6.0
FOR UT7118
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△
V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=3.8V, I
OUT
=10mA
V
IN
=3.8V,1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=3.8V
V
IN
=3.8V, No load
2.8V≤V
IN
≤24V,
I
OUT
=0.5mA
V
IN
=3.8V, I
OUT
=10mA
0°C<Ta<70°C
MIN
1.757
TYP
1.8
60
60
30
4
0.2
±0.25
MAX
1.843
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
6.0
FOR UT7120
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=4V, I
OUT
=10mA
V
IN
=4V, 1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=4V
V
IN
=4V, No load
3V≤V
IN
≤24V,
I
OUT
=0.5mA
V
IN
=4V, I
OUT
=10mA
0°C<Ta<70°C
MIN
1.952
TYP
2.0
60
60
30
4
0.2
±0.3
MAX
2.048
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
6.0
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UT71XX
ELECTRICAL CHARACTRISTICS(Cont.)
FOR UT7125
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=4.5V, I
OUT
=10mA
V
IN
=4.5V,1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=4.5V
V
IN
=4.5V, No load
3.5V≤V
IN
≤24V,
I
OUT
=0.5mA
V
IN
=4.5V, I
OUT
=10mA
0°C<Ta<70°C
MIN
2.440
TYP
2.5
60
60
30
4
0.2
±0.35
CMOS IC
MAX
2.560
24
100
20
6.0
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
FOR UT7127
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=4.7V, I
OUT
=10mA
V
IN
=4.7V,1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=4.7V
V
IN
=4.7V, No load
3.7V≤V
IN
≤24V,
I
OUT
=0.5mA
V
IN
=4.7V, I
OUT
=10mA
0°C<Ta<70°C
MIN
2.635
TYP
2.7
60
60
30
4
0.2
±0.4
MAX
2.765
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
6.0
FOR UT7128
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=4.8V, I
OUT
=10mA
V
IN
=4.8V,1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=4.8V
V
IN
=4.8V, No load
3.8V≤V
IN
≤24V,
I
OUT
=1mA
V
IN
=4.8V, I
OUT
=10mA
0°C<Ta<70°C
MIN
2.732
TYP
2.8
60
60
30
4
0.2
±0.4
MAX
2.867
24
100
-
6.0
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
FOR UT7130
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=5V, I
OUT
=10mA
V
IN
=5V, 1mA≤I
OUT
≤20mA
I
OUT
=1mA
V
IN
=5V
V
IN
=5V, No load
4V≤V
IN
≤24V,
I
OUT
=1mA
V
IN
=5V, I
OUT
=10mA
0°C<Ta<70°C
MIN
2.928
TYP
3.0
60
60
30
4
0.2
±0.45
MAX
3.072
24
100
-
6.0
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
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UT71XX
ELECTRICAL CHARACTRISTICS(Cont.)
FOR UT7133
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=5.5V, I
OUT
=10mA
V
IN
=5.5V, 1mA≤I
OUT
≤30mA
I
OUT
=1mA
V
IN
=5.5V
V
IN
=5.5V, No load
4.5V≤V
IN
≤24V,
I
OUT
=1mA
V
IN
=5.5V, I
OUT
=10mA
0°C<Ta<70°C
MIN
3.220
TYP
3.3
60
60
30
4
0.2
±0.5
CMOS IC
MAX
3.379
24
100
20
6.0
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
FOR UT7136
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=5.6V, I
OUT
=10mA
V
IN
=5.6V,1mA≤I
OUT
≤30mA
I
OUT
=1mA
V
IN
=5.6V
V
IN
=5.6V, No load
4.6V≤V
IN
≤24V,
I
OUT
=1mA
V
IN
=5.6V, I
OUT
=10mA
0°C<Ta<70°C
MIN
3.513
TYP
3.6
60
60
30
3
0.2
±0.6
MAX
3.686
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
6.0
FOR UT7144
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=6.4V, I
OUT
=10mA
V
IN
=6.4V, 1mA≤I
OUT
≤30mA
I
OUT
=1mA
V
IN
=6.4V
V
IN
=6.4V, No load
5.4V≤V
IN
≤24V,
I
OUT
=1mA
V
IN
=6.4V, I
OUT
=10mA
0°C<Ta<70°C
MIN
4.294
TYP
4.4
60
60
30
4
0.2
±0.7
MAX
4.505
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
20
7.5
FOR UT7145
PARAMETER
Output Voltage
Input Voltage
Load Regulation
Voltage Dropout
Output Current
Current Consumption
Line Regulation
Temperature Coefficient
SYMBOL
V
OUT
V
IN
△
V
OUT
V
D
I
OUT
I
SS
△
V
OUT
△V
IN
×V
OUT
△
V
OUT
△
Ta
TEST CONDITIONS
V
IN
=6.5V, I
OUT
=10mA
V
IN
=6.5V, 1mA≤I
OUT
≤30mA
I
OUT
=1mA
V
IN
=6.5V
V
IN
=6.5V, No load
5.5V≤V
IN
≤24V,
I
OUT
=1mA
V
IN
=6.5V, I
OUT
=10mA
0°C<Ta<70°C
MIN
4.392
TYP
4.5
60
60
30
4
0.2
±0.7
MAX
4.608
24
100
UNIT
V
V
mV
mV
mA
µA
%/V
mV/℃
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