UR533
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R102-026,B
ABS OLUT E MAX IMUM RAT INGS
(Ta = 25
)
PARAMETER
SYMBOL
V
IN
V
CNTL
T
OPR
T
STG
RATINGS
7
13.2
0 ~ +125
-
~ +150
UNIT
V
V
Input Voltage
Control Voltage
Operating Junction Temperature
Storage Temperature
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.
ELECT RICAL CHARACT ERIS T ICS
(T
C
= 25
, V
OUT
= V
S
, V
ADJ
= 0V unless otherwise specified.)
For UR533-
AD(Adjustable)
PARAMETER
SYMBOL
TEST CONDITIONS
V
IN
= 2.0V, V
CNTL
= 2.75V,I
OUT
= 10mA
2.05V
≤
V
IN
≤
5.5V,2.7V
≤
V
CNTL
≤
12V,
10mA
≤
I
OUT
≤
5A
3V
≤
V
IN
≤
7V, 10mA
≤
I
OUT
≤
5A
1.75V
≤
V
IN
≤
5.5V, 2.5V
≤
V
CNTL
≤
12V,
I
OUT
= 10mA
V
IN
= 2.1V, V
CNTL
= 2.75V,
10mA
≤
I
OUT
≤
5A
V
CNTL
–V
OUT
V
IN
= 2.05V,
V
REF
= 1%, I
OUT
= 5A
V
IN
–V
OUT
V
CNTL
= 2.75V,
V
REF
= 1%,I
OUT
= 5A
I
LIMIT
V
IN
= 2.05V, V
CNTL
= 2.75V
I
CTRL
V
IN
= 2.05V, V
CNTL
= 2.75V,I
OUT
= 10mA
I
ADJ
V
IN
= 2.05V, V
CNTL
= 2.75V
I
LOAD
V
IN
= 3.3V, V
CNTL
= 5V
V
IN
= 3.75V, V
CNTL
= 3.75V, f = 120Hz,
C
OUT
= 22μF Tantalum, I
OUT
= 2.5A
T
a
= 25°C, 30ms pulse
MIN
1.243 1.250 1.257
TYP MAX
UNIT
V
Reference Voltage
V
REF
1.237 1.250 1.263
V
Output Voltage
V
OUT
V
REF
1.5
5.7
V
Line Regulation
V
OUT
1
3
mV
Load Regulation
V
OUT
1
5
mV
1.05
0.4
2
50
5.0
1.18
0.5
V
V
A
mA
μA
mA
Dropout Voltage
Current Limit
Control Pin Current
Adjust Pin Current
Minimum Load Current
5.2
6
120
10
Ripple Rejection
RR
80
dB
Thermal Regulation
Thermal Shutdown
For UR533-xx(Fixed)
PARAMETER
0.002 0.02
150
%/W
SYMBOL
V
OUT
V
OUT
TEST CONDITIONS
3V
≤
V
IN
≤
7V, 10mA
≤
I
OUT
≤
5A
5.1V
≤
V
IN
≤
7V, 10mA
≤
I
OUT
≤
5A
1.75V
≤
V
IN
≤
5.5V, 2.5V
≤
V
CNTL
≤
12V,
I
OUT
= 10mA
V
IN
= 2.1V, V
CNTL
= 2.75V,
10mA
≤
I
OUT
≤
5A
V
CNTL
–V
OUT
V
IN
= 2.05V,
V
REF
= 1%, I
OUT
= 5A
V
IN
–V
OUT
V
CNTL
= 2.75V,
V
REF
= 1%,I
OUT
= 5A
I
LIMIT
V
IN
= 2.05V, V
CNTL
= 2.75V
I
CTRL
V
IN
= 2.05V, V
CNTL
= 2.75V,I
OUT
= 10mA
I
LOAD
V
IN
= 3.3V, V
CNTL
= 5V
V
IN
= 3.75V, V
CNTL
= 3.75V, f = 120Hz,
C
OUT
= 22μF Tantalum, I
OUT
= 2.5A
T
a
= 25°C, 30ms pulse
MIN
1.47
2.474
TYP
1.5
2.5
MAX
1.53
2.526
UNIT
V
V
UR533-15
UR533-25
Output Voltage
Line Regulation
V
OUT
1
3
mV
Load Regulation
V
OUT
1
5
mV
1.05
0.4
2
5.0
1.18
0.5
6
10
V
V
A
mA
mA
Dropout Voltage
Dropout Voltage
Current Limit
Control Pin Current
Minimum Load Current
5.2
Ripple Rejection
RR
80
dB
Thermal Regulation
Thermal Shutdown
0.002 0.02
150
%/W