English
Language : 

UR1171 Datasheet, PDF (3/5 Pages) Unisonic Technologies – 1.5A LDO REGULATOR
◁
UR1171
Preliminary
CMOS IC
 ABSOLUTE MAXIMUM RATING
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
7.0
V
Input Voltage(CE or CE Input Pin)
VCE
-0.3~VIN+0.3
V
Output Voltage
VOUT
-0.3~VIN+0.3
V
Output Current
IOUT
3.5
A
Power Dissipation
PD
606
mW
Operating Temperature
TOPT
-40~85
°C
Storage Temperature
TSTG
-55~125
°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.
 ELECTRICAL CHARACTERISTICS (TA=25°C, unless otherwise specified)
UR1171AH
PARAMETER
Input Voltage
Supply Current
Standby Current
Output Voltage
Output Current
Load Regulation
Dropout Voltage
Line Regulation
1.5≤VOUT<1.6
1.6≤VOUT≤5.0
Ripple Rejection
1.5≤VOUT<4.7
4.7≤VOUT≤5.0
Output Voltage
Temperature Coefficient
Short Current Limit
Pull-down resistance for CE pin
CE Input Voltage “H”
Thermal Shutdown Detector
Threshold Temperature
Thermal Shutdown Released
Temperature
SYMBOL
TEST CONDITIONS
VIN
ISS
VIN-VOUT=1.0V, VCE=VIN
ISTB
VIN-VOUT=1.0V, VCE=0V
VOUT VIN-VOUT=1.0V, IOUT=200mA
IOUT
VIN-VOUT=1.0V
∆VOUT/∆IOUT VIN-VOUT=1.0V, 1mA≤IOUT≤300mA
IOUT=300mA, VOUT=1.5≤VOUT<1.6
IOUT=300mA, VOUT=1.6≤VOUT<1.7
VDIF
IOUT=300mA, VOUT=1.7≤VOUT<1.8
IOUT=300mA, VOUT=1.8≤VOUT<2.0
IOUT=300mA, VOUT=2.0≤VOUT<2.5
IOUT=300mA, VOUT=2.5≤VOUT≤5.0
∆VOUT/∆VIN
IOUT=200mA, VOUT=2.1V≤VIN<6.0V
IOUT=200mA, VOUT+0.5V≤VIN≤6.0V
RR
f=1kHz, Ripple 0.5 VP-P,VIN−VOUT=1.0V
f=1kHz, Ripple 0.5VP-P, VIN=5.75V
∆VOUT/∆T IOUT=10mA, -40°C ≤ TA ≤ 85°C
ILIM
RPD
VCEH
VOUT=0V
TTSD Junction Temperature
TTSR Junction Temperature
MIN
x0.98
1.5
2.5
1.5
TYP
80
0.1
10
0.16
0.14
0.13
0.12
0.10
0.09
0.05
50
±100
200
5.0
150
120
MAX
6.0
160
2.0
x1.02
60
0.35
0.32
0.28
0.24
0.21
0.18
0.30
10.0
VIN
UNIT
V
µA
µA
V
A
mV
V
V
V
V
V
V
%/V
dB
ppm
/°C
mA
MΩ
V
°C
°C
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R502-A33.a
 ▷