UTC UT10XX                                                    CMOS 
UTC 
 UNISONIC TECHNOLOGIES  CO., LTD. 
1   
  QW-R502-014,B                                                        
 
THREE-TERMINAL LOW POWER 
VOLTAGE REGULATORS 
 
DESCRIPTION 
The UTC UT10XX 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. 
 
FEATURES 
* Low power consumption 
*Low voltage dropout 
*Low temperature coefficient 
*Wide operating voltage (12V Max.) 
 
APPLICATIONS 
*Battery-powered equipment 
*Communication equipment 
*Audio/Video equipment
 
TO-92
1
SOT-89
1
TO-92  : UT10XX-B : 1: VOUT  2: GND  3: VIN 
TO-92  : UT10XX-C : 1: GND   2:VIN    3:VOUT
SOT-89 : 1: GND   2:VIN    3:VOUT 
 
PAD ASSIGNMENT 
(0,0)
GND
V
IN
Vout
1
2
3
 
Chip size: 1.34  1.30 mm
2 
*The IC substrate should be connected to VDD in the 
PCB layout artwork.    
                                                               
Unit:m 
PAD NO. 
X 
Y 
1 184 1137 
2 615 1121 
3 1194 1132 
 
UTC UT10XX                                                    CMOS 
UTC 
 UNISONIC TECHNOLOGIES  CO., LTD. 
2   
  QW-R502-014,B                                                        
 BLOCK DIAGRAM 
 
VIN
GND
Vref
VOUT
+
 
 
ABSOLUTE MAXIMUM RATINGS 
PARAMETER SYMBOL  RATING  UNIT 
Supply Voltage 
Vcc 
-0.3 ~ +13 
V 
Power Dissipation 
Pd 
250 
mW 
Storage Temperature 
Tstg 
-50 ~ +125 
 
Operating Temperature 
Topr 
0 ~ +70 
 
 
 
UTC UT1018 ( +1.8V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
                                                                         
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
IN=3.8V,I
OUT
=10mA   2.4% 
                                        5% 
1.757
1.71
1.8 
1.8 
1.843 
1.89 
V 
Output Current 
I
OUT
 VIN=3.8V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=3.8V,1mAI
OUT
20mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=3.8V,No 
load 
 
2.2 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
2.8VV
IN
12V,I
OUT
=0.5mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=3.8V,I
OUT
=10mA 
0C<Ta<70C 
 
0.25 
 
mV/ 
 
 
 
 
 
UTC UT10XX                                                    CMOS 
UTC 
 UNISONIC TECHNOLOGIES  CO., LTD. 
3   
  QW-R502-014,B                                                        
UTC UT1020 ( +2.0V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
                                                                         
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=4V, I
OUT
=10mA    2.4%
                                            5% 
1.952
1.9 
2.0 
2.0 
2.048 
2.1 
V 
Output Current 
I
OUT
 VIN=4V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=4V,1mAI
OUT
20mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=4V,No 
load 
 
2.2 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
3VV
IN
12V,I
OUT
=0.5mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=4V,I
OUT
=10mA 
0C<Ta<70C 
 
0.3 
 
mV/ 
 
UTC UT1025 ( +2.5V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
                                                                         
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=4.5V,I
OUT
=10mA   2.4%
                                            5% 
2.440
2.375
2.5 
2.5 
2.560 
2.625 
V 
Output Current 
I
OUT
 VIN=4.5V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=4.5V,1mAI
OUT
20mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=4.5V,No 
load 
 
2.2 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
3.5VV
IN
12V,I
OUT
=0.5mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=4.5V,I
OUT
=10mA 
0C<Ta<70C 
 
0.35 
 
mV/ 
 
 
UTC UT1027 ( +2.7V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
                                                                         
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=4.7V,I
OUT
=10mA   2.4%
                                            5% 
2.635
2.565
2.7 
2.7 
2.765 
2.835 
V 
Output Current 
I
OUT
 VIN=4.7V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=4.7V,1mAI
OUT
20mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=4.7V,No 
load 
 
2.5 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
3.7VV
IN
12V,I
OUT
=0.5mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=4.7V,I
OUT
=10mA 
0C<Ta<70C 
 
0.4 
 
mV/ 
 
 
 
 
UTC UT10XX                                                    CMOS 
UTC 
 UNISONIC TECHNOLOGIES  CO., LTD. 
4   
  QW-R502-014,B                                                        
UTC UT1028 ( +2.8V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
           
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=4.8V,I
OUT
=10mA   2.4%
                                            5% 
2.732
2.660
2.8 
2.8 
2.867 
2.940 
V 
Output Current 
I
OUT
 VIN=4.8V 
20 
30 - 
mA 
Load Regulation 
V
OUT
 
VIN=4.8V,1mAI
OUT
20mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=4.8V,No 
load 
 
2.5 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
3.8VV
IN
12V,I
OUT
=1mA 
 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=4.8V,I
OUT
=10mA 
0C<Ta<70C 
 
0.4 
 
mV/ 
 
 
UTC UT1030 ( +3.0V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
           
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=5V, I
OUT
=10mA    2.4%
                                            5% 
2.928
2.850
3.0 
3.0 
3.072 
3.150 
V 
Output Current 
I
OUT
 VIN=5V 
20 
30 - 
mA 
Load Regulation 
V
OUT
 
VIN=5V,1mAI
OUT
20mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=5V,No 
load 
 
2.5 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
4VV
IN
12V,I
OUT
=1mA 
 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=5V,I
OUT
=10mA 
0C<Ta<70C 
 
0.45 
 
mV/ 
 
 
UTC UT1033 ( +3.3V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
     
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=5.5V,I
OUT
=10mA   2.4%
                                            5% 
3.220
3.135
3.3 
3.3 
3.379 
3.465 
V 
Output Current 
I
OUT
 VIN=5.5V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=5.5V,1mAI
OUT
30mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=5.5V,No 
load 
 
2.5 
6.0 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
4.5VV
IN
12V,I
OUT
=1mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=5.5V,I
OUT
=10mA 
0C<Ta<70C 
 
0.5 
 
mV/ 
 
 
 
 
 
UTC UT10XX                                                    CMOS 
UTC 
 UNISONIC TECHNOLOGIES  CO., LTD. 
5   
  QW-R502-014,B                                                        
UTC UT1036 ( +3.6V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
     
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=5.6V,I
OUT
=10mA   2.4%
                                            5% 
3.513
3.420
3.6 
3.6 
3.686 
3.780 
V 
Output Current 
I
OUT
 VIN=5.6V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=5.6V,1mAI
OUT
30mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=5.6V,No 
load 
 
3.0 
7.0 
A 
Line Regulation 
V
OUT
 
V
IN
  V
OUT
 
4.6VV
IN
12V,I
OUT
=1mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=5.6V,I
OUT
=10mA 
0C<Ta<70C 
 
0.6 
 
mV/ 
 
 
UTC UT1044 ( +4.4V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
     
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=6.4V,I
OUT
=10mA   2.4%
                                            5% 
4.294
4.180
4.4 
4.4 
4.505 
4.620 
V 
Output Current 
I
OUT
 VIN=6.4V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=6.4V,1mAI
OUT
30mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=6.4V,No 
load 
 
3.0 
7.5 
A 
Line Regulation 
 
V
OUT
 
V
IN
  V
OUT
 
5.4VV
IN
12V,I
OUT
=1mA 
 0.2  %/V 
Input Voltage 
V
IN
  
   12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=6.4V,I
OUT
=10mA 
0C<Ta<70C 
 
0.7 
 
mV/ 
 
 
UTC UT1050 ( +5.0V output type) ELECTRICAL CHARACTRISTICS (Ta=25)
     
PARAMETER SYMBOL TEST 
CONDITIONS 
MIN
TYP 
MAX 
UNIT 
Output Voltage   
V
OUT
 
VIN=7V, I
OUT
=10mA    2.4%
                                            5% 
4.88
4.75
5.0 
5.0 
5.12 
5.25 
V 
Output Current 
I
OUT
 VIN=7V 
20 
30  mA 
Load Regulation 
V
OUT
 
VIN=7V,1mAI
OUT
30mA 
 60 
100 
mV 
Voltage Dropout 
V
d
 
I
OUT
=1mA 
 60  mV 
Current Consumption 
I
SS
 VIN=7V,No 
load 
 
3.5 
9.0 
A 
Line Regulation 
V
OUT
 
V
IN
  V
OUT
 
6VV
IN
12V,I
OUT
=1mA 
 
 0.2  %/V 
Input Voltage 
 
V
IN
 
 
  
 
12 
V 
Temperature Coefficient 
 
V
OUT
 
T
a
 
VIN=7V,I
OUT
=10mA 
0C<Ta<70C 
 
0.75 
 
mV/