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UR6515D Datasheet, PDF (4/9 Pages) TRACO Electronic AG – 3A DDR BUS TERMINATION REGULATOR
UR6515D
LINEAR INTEGRATED CIRCUIT
„ ABSOLUTE MAXIMUM RATING (unless otherwise specified)
PARAMETER
SYMBOL
RATINGS
UNIT
VCNTL Control Voltage
VCNTL
6
V
VIN Supply Voltage
VIN
6
V
Power Dissipation (Ta=25°C)
PD
1.33
W
Junction Temperature
TJ
125
°C
Storage Temperature
TSTG
-65 ~ +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
SYMBOL
MIN
TYP
MAX
UNIT
Junction to Ambient (Note 1)
θJA
75
°C/W
Junction to Case
θJC
28
°C/W
Note: 1. θJA is measured in the natural convection at Ta = 25°C on a high effective thermal conductivity test board of
JEDEC 51-7 thermal measurement standard
„ RECOMMENDED OPERATING CONDITIONS (Note 1)
PARAMETER
SYMBOL
RATINGS
VCNTL Control Voltage
VCNTL
5 or 3.3±5%
VIN Supply Voltage
VIN
2.5~1.5±3%
VREF Input Voltage
VREF
1.25~0.75±3%
Junction Temperature
TJ
-40~+125
Notes: 1. All voltage values are with respect to the network ground terminal unless otherwise noted.
„ ELECTRICAL CHARACTERISTICS (Ta=25°C, unless otherwise specified)
UNIT
V
V
V
°C
(VIN=2.5V/1.8V/1.5V, VCNTL=3.3V, VREF=1.25V/0.9V/0.75V, COUT = 10µF (Ceramic))
PARAMETER
SYMBOL
TEST CONDITIONS
MIN TYP MAX UNIT
INPUT CURRENT
Operation Current of VCNTL
ICNTL
IOUT =0A
1
2.5 mA
Standby Current
ISTB
VREF<0.2V, RLOAD=180Ω
50 90 μA
OUTPUT VOLTAGE (DDR/DDR II/DDR III)
Output Voltage Offset (VREF-VOUT)
VOS
IOUT =0A
-20
20 mV
Load Regulation
ΔVLOAD IOUT =±2A
-20
20 mV
PROTECTION
Current Limit
ILIMIT
VIN=2.5V/1.8V/1.5V
3
A
Thermal Shutdown Temperature
TSD
VCNTL=3.3V~5V
125 170
°C
Thermal Shutdown Hysteresis
VREF Shutdown
ΔTSD
VCNTL=3.3V~5V
35
°C
Shutdown Threshold
VIH
Enable
VIL
Shutdown
0.6
V
0.2
V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 9
QW-R101-029.A