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UR5516B Datasheet, PDF (5/9 Pages) Unisonic Technologies – 3A BUS TERMINATION REGULATOR
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UR5516B
LINEAR INTEGRATED CIRCUIT
„ ELECTRICAL CHARACTERISTICS(TJ=25°C, VCCA =3.3V,VIN=2.5V/1.8V,VREF=0.5VIN,unless
otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX
Output Voltage
System Accuracy
VOUT IOUT=0A
VREF
Over temperature, VOUT offset, and load -20
20
regulation
Offset Voltage (VOUT–VREF)
Load Regulation
VO(OFF)
∆VOUT
IOUT=+10mA
IOUT=-10mA
IOUT=+10mA ~ +3A
IOUT= -10mA ~ -3A
-20
20
2
2
Sourcing Current (VIN=2.5V)
TJ=25°C
TJ=125°C
+3
+3.6
+3.1
Current Limit
ILIMIT
Sinking Current (VIN=2.5V)
Sourcing Current (VIN=1.8V)
TJ=25°C
TJ=125°C
TJ=25°C
TJ=125°C
-3
+2.9
-3.6
-3.1
+3.2
+2.6
Sinking Current (VIN=1.8V)
TJ=25°C -2.9 -3.2
TJ=125°C
-2.6
Thermal Shutdown Temperature TSHDN Rising TJ
183
Thermal Shutdown Hysteresis
THYS
42
VCCA Supply Current
VREF Bias Current (The current
flows out of VREF)
IOUT=0A
ICCA IOUT=±3A (Normal Operation)
VREF=GND (Shutdown)
IBIAS
VREF=1.25V/0.9V (Normal Operation)
VREF=GND (Shutdown)
1
2
3
50 110
2.0
200 500
20 40
Shutdown Threshold Voltage
VSHDN
0.2 0.35 0.65
UNIT
V
mV
mV
%
A
°C
°C
mA
nA
µA
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 9
QW-R101-019.A
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