UTC UR233
LINEAR INTEGRATED CIRCUIT
1
LOW DROP FIXED AND
ADJUSTABLE POSITIVE VOLTAGE
REGULATORS
1
DESCRIPTION
The UTC UR233 is a LOW DROP Voltage Regulator able
to provide up to 0.8A of Output Current, available even in
adjustable version (Vref=1.25V). Concerning fixed versions,
are offered the following Output Voltages: 1.8V, 2.5V, 2.85V,
3.0V, 3.3V and 5.0V. The device is supplied in: SOT-223,
SOT-89,TO-252, TO-263, TO-263-3, SOP-8 and TO-220. The
SOT-223,SOT-89,SOP-8,TO-263,TO-263-3
and
TO-252
surface mount packages optimize the thermal characteristics
even offering a relevant space saving effect. High efficiency is
assured by NPN pass transistor. In fact in the case, unlike
than PNP one, the Quiescent Current flows mostly into the
load. Only a very common 10µF minimum capacitor is needed
for stability. On chip trimming allows the regulator to reach a
very tight output voltage tolerance, within
±1%
at 25°C. The
ADJUSTABLE UR233 is pin to pin compatible with the other
standard Adjustable voltage regulators maintaining the better
performances in terms of Drop and Tolerance.
SOT-223
SOT-89
SOP-8
1
1
TO-220
TO-252
1
1
TO-263
SOP-8
1: GND;
4: Vin;
TO-263-3
2,3,6,7: Vout;
5,8: NC
*Pb-free plating product number: UR233L
FEATURES
*Low dropout voltage (1V Typ.)
*Output current up to 0.8A
*Fixed output voltage of: 1.8V,2.5V, 2,85V, 3.0V, 3.3V, 5.0V
*Adjustable version availability (Vref=1.25V)
*Internal current and thermal limit
*Available in
±1%(at
25°C) and 2% in all temperature range
*Supply voltage rejection: 75dB (TYP)
*Temperature range: 0°C to 125°C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
1
QW-R102-011,C
UTC UR233
MARKING INFORMATION
PACKAGE
CODE
18:1.8V
25:2.5V
SOT-223
28:2.85V
30:3.0V
33:3.3V
50:5.0V
AD:ADJ
D
A
B
SOT-89
C
D
TO-220
TO-252
TO-263
TO-263-3
B
C
D
A
B
C
A
LINEAR INTEGRATED CIRCUIT
PIN 2
PIN 3
MARKING
VOLTAGE PIN CODE PIN 1
GND
OUT
GND
IN
GND
OUT
GND
IN
GND
OUT
GND
IN
OUT
GND
IN
GND
OUT
GND
IN
GND
OUT
GND
IN
GND
IN
IN
OUT
OUT
IN
IN
OUT
DATE
CODE
VOLTAGE
CODE
UR233
PIN CODE
DATE
CODE
1
2
3
VOLTAGE
CODE
PIN CODE
UR233
1
2
3
OUT
IN
IN
OUT
OUT
VOLTAGE
CODE
UTC
UR233
PIN CODE
DATE
CODE
1
2
3
BLOCK DIAGRAM
UTC
UNISONIC TECHNOLOGIES CO., LTD.
2
QW-R102-011,C
UTC UR233
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL
VALUE
UNIT
ABSOLUTE MAXIMUM RATINGS
DC Input Voltage
V
IN
12
V
Power Dissipation
Ptot
12
W
Storage temperature
Tstg
-65 ~ +150
°C
Operating Junction
Top
0 ~ +125
°C
Temperature
Note: Absolute Maximum Ratings are those value beyond which damage to the device may occur. Functional
operation under there condition is not implied. Over the above suggested Max Power Dissipation a Short Circuit
could definitively damage the device.
THERMAL DATA
PARAMETER
Thermal Resistance Junction-case
SOT-223
SOP-8
TO-252
TO-220
TO-263
Thermal Resistance Junction-ambient
TO-220
SYMBOL
Rth-case
VALUE
15
20
8
3
3
UNIT
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Rthj-amb
50
UTC UR233-1.8 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125°C, Co=10µF unless otherwise specified)
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage
Rejection
Dropout Voltage
Thermal Regulation
SYMBOL
Vo
Vo
∆Vo
∆Vo
∆Vo
∆Vo
Vin
Id
Io
eN
SVR
Vd
TEST CONDITIONS
Vin=3.8V, Io=10mA, Tj=25°C
Io=2 to 800mA, Vin=3.2 to 10V
Vin=3.2 to 10V, Io=2mA
Vin=3.2V, Io=2 to 800/mA
1000 hrs, Tj=125°C
Io=100mA
Vin≤10V
Vin=6.8V, Tj=25°C
B=10Hz to 10KHz, Tj=25°C
Io=40mA, f=120Hz, Tj=25°C, Vin=4.8V,
Vripple=1Vpp
Ta=25°C, 30ms Pulse
MIN.
1.782
1.764
TYP.
1.800
1
1
0.5
0.3
5
950
100
75
MAX.
1.818
1.836
6
10
UNIT
V
V
mV
mV
%
%
V
mA
mA
µV
dB
V
%/W
800
60
12
10
1200
0.01
1.50
0.10
UTC UR233 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125°C, Co=10µF unless otherwise specified)
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
SYMBOL
Vo
Vo
∆Vo
∆Vo
∆Vo
TEST CONDITIONS
Vin=4.5V, Io=10mA, Tj=25°C
Io=2 to 800mA,
Vin=3.9 to 10V
Vin=3.9 to 10V, Io=2mA
Vin=3.9V, Io=2 to 800mA
±1%
±2%
±2%
±4%
MIN.
2.475
2.450
2.450
2.400
TYP.
2.500
2.500
MAX.
2.525
2.550
2.550
2.600
6
10
UNIT
V
V
V
V
mV
mV
%
1
1
0.5
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R102-011,C
UTC UR233
PARAMETER
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage
Rejection
Dropout Voltage
Thermal Regulation
∆Vo
Vin
Id
Io
eN
SVR
Vd
LINEAR INTEGRATED CIRCUIT
SYMBOL
TEST CONDITIONS
1000 hrs, Tj=125°C
Io=100mA
Vin≤10V
Vin=7.5V, Tj=25°C
B=10Hz to 10KHz, Tj=25°C
Io=40mA, f=120Hz, Tj=25°C, Vin=5.5V,
Vripple=1Vpp
Ta=25°C, 30ms Pulse
MIN.
TYP.
0.3
5
950
100
75
MAX.
12
10
1200
UNIT
%
V
mA
mA
µV
dB
V
%/W
800
60
0.01
1.50
0.10
UTC UR233-2.85 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125°C, Co=10µF unless otherwise specified)
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage
Rejection
Dropout Voltage
Thermal Regulation
SYMBOL
Vo
Vo
∆Vo
∆Vo
∆Vo
∆Vo
Vin
Id
Io
eN
SVR
Vd
TEST CONDITIONS
Vin=4.85V, Io=10mA, Tj=25°C
Io=2 to 800mA,Vin=4.25 to 10V
Vin=4.25 to 10V, Io=2mA
Vin=4.25V, Io=2 to 800mA
1000 hrs, Tj=125°C
Io=100mA
Vin≤10V
Vin=7.85V, Tj=25°C
B=10Hz to 10KHz, Tj=25°C
Io=40mA, f=120Hz, Tj=25°C, Vin=5.85V,
Vripple=1Vpp
Ta=25°C, 30ms Pulse
MIN.
2.82
2.79
TYP.
2.85
1
1
0.5
0.3
5
950
100
75
MAX.
2.88
2.91
6
10
UNIT
V
V
mV
mV
%
%
V
mA
mA
µV
DB
V
%/W
800
60
12
10
1200
0.01
1.50
0.10
UTC UR233-3.0 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125°C, Co=10µF unless otherwise specified)
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage
Rejection
Dropout Voltage
Thermal Regulation
SYMBOL
Vo
Vo
∆Vo
∆Vo
∆Vo
∆Vo
Vin
Id
Io
eN
SVR
Vd
TEST CONDITIONS
Vin=5V, Io=10mA, Tj=25°C
Io=2 to 800 mA
Vin=4.5 to 10V
Vin=4.5 to 12V, Io=2mA
Vin=4.5V, Io=2 to 800mA
1000 hrs, Tj=125°C
Io=100mA
Vin≤12V
Vin=8V, Tj=25°C
B=10Hz to 10KHz, Tj=25°C
Io=40mA, f=120Hz, Tj=25°C, Vin=6V,
Vripple=1Vpp
Ta=25°C, 30ms Pulse
±1%
±2%
±2%
±4%
MIN.
2.97
2.94
2.94
2.88
TYP.
3.00
3.00
MAX.
3.03
3.06
3.06
3.12
6
10
UNIT
V
V
V
V
mV
mV
%
%
V
mA
mA
µV
dB
V
%/W
1
1
0.5
0.3
5
950
100
75
800
60
12
10
1200
0.01
1.50
0.10
UTC
UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R102-011,C
UTC UR233
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage
Rejection
Dropout Voltage
Thermal Regulation
Vo
Vo
∆Vo
∆Vo
∆Vo
∆Vo
Vin
Id
Io
eN
SVR
Vd
LINEAR INTEGRATED CIRCUIT
SYMBOL
TEST CONDITIONS
Vin=5.3V, Io=10mA, Tj=25°C
Io=2 to 800mA,
Vin=4.75 to 10V
Vin=4.75 to 12V, Io=2mA
Vin=4.75V, Io=2 to 800mA
1000 hrs, Tj=125°C
Io=100mA
Vin≤12V
Vin=8.3V, Tj=25°C
B=10Hz to 10KHz, Tj=25°C
Io=40mA, f=120Hz, Tj=25°C, Vin=6.3V,
Vripple=1Vpp
Ta=25°C, 30ms Pulse
±1%
±2%
±2%
±4%
UTC UR233-3.3 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125°C, Co=10µF unless otherwise specified)
MIN.
3.267
3.235
3.235
3.160
TYP.
3.300
3.300
MAX.
3.333
3.365
3.365
3.440
6
10
UNIT
V
V
V
V
mV
mV
%
%
V
mA
mA
µV
DB
V
%/W
1
1
0.5
0.3
5
950
100
75
800
60
12
10
1200
0.01
1.50
0.10
UTC UR233-5.0 ELECTRICAL CHARACTERISTICS
(refer to the test circuits, Tj=0 to 125°C, Co=10µF unless otherwise specified)
PARAMETER
Output Voltage
Output Voltage
Line Regulation
Load Regulation
Temperature stability
Long Term Stability
Operating Input Voltage
Quiescent Current
Output Current
Output Noise Voltage
Supply Voltage
Rejection
Dropout Voltage
Thermal Regulation
SYMBOL
Vo
Vo
∆Vo
∆Vo
∆Vo
∆Vo
Vin
Id
Io
eN
SVR
Vd
TEST CONDITIONS
Vin=7V, Io=10mA, Tj=25°C
Io=2 to 800mA,
Vin=6.5 to 12V
Vin=6.5 to 12V, Io=2mA
Vin=6.5V, Io=2 to 800mA
1000 hrs, Tj=125°C
Io=100mA
Vin≤12V
Vin=10V, Tj=25°C
B=10Hz to 10KHz, Tj=25°C
Io=40mA, f=120Hz, Tj=25°C, Vin=8V,
Vripple=1Vpp
Ta=25°C, 30ms Pulse
±1%
±2%
±2%
±4%
MIN.
4.95
4.90
4.90
4.80
TYP.
5.00
5.00
MAX.
5.05
5.10
5.10
5.20
10
15
UNIT
V
V
V
V
mV
mV
%
%
V
mA
mA
µV
dB
V
%/W
1
1
0.5
0.3
5
950
100
75
800
60
12
10
1200
0.01
1.50
0.10
UTC
UNISONIC TECHNOLOGIES CO., LTD.
5
QW-R102-011,C
电源技术
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
