UZ1085
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
Input Voltage
(V
IN
– V
OUT
) * I
OUT
Junction Temperature
Operating Temperature
Storage Temperature
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
℃
.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R102-013,D
RATINGS
18
See Figure 1
+125
-20 ~ +85
-40 ~ +150
UNIT
V
V
IN
T
J
T
OPR
T
STG
℃
℃
℃
ELECTRICAL CHARACTERISTICS
(Ta=25
℃
, C
OUT
=22
μ
F, unless otherwise specified.)
For UZ1085-ADJ(Adjustable)
PARAMETER
SYMBOL
TEST CONDITIONS
1.5V
≦
(V
IN
– V
OUT
)
≦
8.25V
10mA
≦
I
OUT
≦
3A
(V
OUT
+1.5V)
≦
V
IN
≦
12V,
I
OUT
=10mA
(V
IN
– V
OUT
)=3V, 10mA
≦
I
OUT
≦
3A
△
V
REF
%=1%, l
OUT
=3A
(V
IN
-V
OUT
)=2V
1.5V
≦(
V
IN
– V
OUT
)≦
12V
,
10mA
≦
I
OUT
≦
3A
1.5V
≦
(V
IN
-V
OUT
)
≦
12V
V
IN
=12V
f=120Hz,Tantalum,(V
IN
–V
OUT
)=3V
I
OUT
=3A
Ta=25
℃
,30ms pulse
Ta=125
℃
, 1000hr
Ta=25
℃
,10Hz
≦
f
≦
10kHz
MIN. TYP. MAX.
UNIT
Reference Voltage
V
REF
1.225 1.25 1.275
V
Line Regulation
V
OUT
0.005
0.2
%
Load Regulation
Dropout Voltage
Current Limit
Adjust Pin Current
V
OUT
V
D
I
LIMIT
Iadj
0.05
1.30
4
35
0.5
1.40
120
%
V
A
μA
3.1
Adjust Pin Current Change
Iadj
0.2
5
μA
Minimum Load Current
Quiescent Current
I
O(MIN)
I
Q
10
13
mA
mA
4
Ripple Rejection
RR
60
72
dB
Thermal Regulation
Temperature Stability
Long-Term Stability
Output Noise(% of V
OUT
)
Thermal Shutdown
0.004 0.02
0.5
0.03
0.003
150
%/W
%
%
%
°
C
V
OUT
V
OUT
eN
1.0
For UZ1085-xx(Fixed Voltage)
PARAMETER
SYMBOL
TEST CONDITIONS
3.0V
≤
V
IN
≤
8.5V, 10mA
≤
I
OUT
≤
3A
3.3V
≤
V
IN
≤
8.8V, 10mA
≤
I
OUT
≤
3A
4.0V
≤
V
IN
≤
9.5V, 10mA
≤
I
OUT
≤
3A
4.8V
≦
V
IN
≦
10.3V, 10mA
≦
I
OUT
≦
3A
6.5V
≦
V
IN
≦
12V, 10mA
≦
I
OUT
≦
3A
(V
OUT
+1.5V)
≦
V
IN
≦
12V,I
OUT
=10mA
(V
IN
– V
OUT
)=3V, 10mA
≦
I
OUT
≦
3A
△
V
REF
%=1%, l
OUT
=3A
(V
IN
-V
OUT
)=2V
1.5V
≦
(V
IN
-V
OUT
)
≦
12V
V
IN
=12V
f=120Hz, Tantalum,
(V
IN
– V
OUT
)=3V,I
OUT
=3A
Ta=25
℃
,30ms pulse
Ta=125
℃
, 1000hr
Ta=25
℃
,10Hz
≦
f
≦
10kHz
MIN. TYP. MAX.
1.470
1.5
1.764
1.8
2.450
2.5
3.234
3.3
4.900
5.0
0.005
0.05
1.30
3.1
4
4
UNIT
UZ1085-15
UZ1085-18
UZ1085-25
UZ1085-33
UZ1085-50
1.530
1.830
2.550
3.366
5.100
0.2
0.5
1.40
Output Voltage
V
OUT
V
Line Regulation
Load Regulation
Dropout Voltage
Current Limit
Minimum Load Current
Quiescent Current
V
OUT
V
OUT
V
D
I
LIMIT
Iadj
I
Q
%
%
V
A
mA
mA
10
13
Ripple Rejection
RR
60
72
dB
Thermal Regulation
Temperature Stability
Long-Term Stability
Output Noise(% of V
OUT
)
Thermal shutdown
0.004 0.02
0.5
0.03
0.003
150
%/W
%
%
%
°
C
V
OUT
V
OUT
eN
1.0