UZ1085
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS
For UZ1085-xx (Fixed Voltage)
PARAMETER
SYMBOL
TEST CONDITIONS
UZ1085-15
3.0V≤VIN≤8.5V, 10mA≤IOUT≤3A
Output Voltage
UZ1085-18
UZ1085-25
3.3V≤VIN≤8.8V, 10mA≤IOUT≤3A
VOUT 4.0V≤VIN≤9.5V, 10mA≤IOUT≤3A
UZ1085-33
4.8V≤VIN≤10.3V, 10mA≤IOUT≤3A
Line Regulation
Load Regulation
Dropout Voltage
UZ1085-50
△VOUT
△VOUT
VD
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
f=120Hz, Tantalum
RR
(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.
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
MAX.
1.530
1.830
2.550
3.366
5.100
0.2
0.5
1.40
10
13
UNIT
V
V
V
V
V
%
%
V
A
mA
mA
72
dB
0.004 0.02 %/W
0.5
%
0.03 1.0 %
0.003
%
150
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 7
QW-R102-013,G