UZ1085 查看數據表（PDF） - Unisonic Technologies
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UZ1085 Datasheet PDF : 6 Pages
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UZ1085
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
(VIN - VOUT) ×IOUT
VIN
18
V
See Fig.1
Junction Temperature
TJ
+125
°C
Operating Temperature
TOPR
-40 ~ +85
°C
Storage Temperature
TSTG
-40 ~ +150
°C
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.
THERMAL DATA
PARAMETER
Junction to Ambient
TO-252
TO-220/ TO-263
Junction to Case
TO-252
TO-220/ TO-263
SYMBOL
θJA
θJC
RATINGS
118
62
12
4
UNIT
°C/W
°C/W
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (TA=25°C, COUT=22μF, unless otherwise specified.)
For UZ1085-ADJ (Adjustable)
PARAMETER
SYMBOL
TEST CONDITIONS
Reference Voltage
Line Regulation
Load Regulation
Dropout Voltage
VREF
△VOUT
△VOUT
VD
1.5V≤(VIN - VOUT) ≤8.25V,10mA≤IOUT≤3A
(VOUT +1.5V) ≤VIN≤12V, IOUT=10mA
(VIN - VOUT)=3V, 10mA≤IOUT≤3A
△VREF%=1%, lOUT=3A
Current Limit
ILIMIT (VIN-VOUT)=2V
Adjust Pin Current
Adjust Pin Current Change
IADJ
△IADJ 1.5V≤ (VIN - VOUT) ≤12V, 10mA≤IOUT≤3A
Minimum Load Current
IO(MIN) 1.5V≤ (VIN-VOUT) ≤12V
Quiescent Current
IQ VIN=12V
Ripple Rejection
RR f=120Hz,Tantalum,(VIN–VOUT)=3V IOUT=3A
Thermal Regulation
Temperature Stability
Long-Term Stability
ΔVOUT
ΔVOUT
TA=25°C,30ms pulse
TA=125°C, 1000hr
Output Noise(% of VOUT)
eN TA=25°C,10Hz≤f≤10kHz
Thermal Shutdown
For UZ1085-xx (Fixed Voltage)
PARAMETER
SYMBOL
TEST CONDITIONS
UZ1085-15
UZ1085-18
3.0V≤VIN≤8.5V, 10mA≤IOUT≤3A
3.3V≤VIN≤8.8V, 10mA≤IOUT≤3A
Output Voltage UZ1085-25 VOUT 4.0V≤VIN≤9.5V, 10mA≤IOUT≤3A
UZ1085-33
UZ1085-50
Line Regulation
Load Regulation
Dropout Voltage
△VOUT
△VOUT
VD
4.8V≤VIN≤10.3V, 10mA≤IOUT≤3A
6.5V≤VIN≤12V, 10mA≤IOUT≤3A
(VOUT +1.5V) ≤VIN≤12V,IOUT=10mA
(VIN – VOUT)=3V, 10mA≦IOUT≤3A
△VREF%=1%, lOUT=3A
Current Limit
ILIMIT (VIN-VOUT)=2V
Minimum Load Current
IO(MIN) 1.5V≤ (VIN-VOUT) ≤12V
Quiescent Current
IQ VIN=12V
Ripple Rejection
RR f=120Hz, Tantalum, (VIN -VOUT)=3V,IOUT=3A
Thermal Regulation
Temperature Stability
Long-Term Stability
TA=25°C,30ms pulse
△VOUT TA=125°C, 1000hr
△VOUT
Output Noise(% of VOUT)
eN TA=25°C,10Hz≤f≤10kHz
Thermal shutdown
MIN TYP
1.225 1.25
0.005
0.05
1.30
3.1 4
35
0.2
4
60 72
0.004
0.5
0.03
0.003
150
MAX
1.275
0.2
0.5
1.40
120
5
10
13
0.02
1.0
MIN
1.470
1.764
2.450
3.234
4.900
3.1
60
TYP
1.5
1.8
2.5
3.3
5.0
0.005
0.05
1.30
4
4
72
0.004
0.5
0.03
0.003
150
MAX
1.530
1.830
2.550
3.366
5.100
0.2
0.5
1.40
10
13
0.02
1.0
UNIT
V
%
%
V
A
μA
μA
mA
mA
dB
%/W
%
%
%
°C
UNIT
V
V
V
V
V
%
%
V
A
mA
mA
dB
%/W
%
%
%
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 6
QW-R102-013,H
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