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PDF UR6515A Data sheet ( Hoja de datos )

Número de pieza UR6515A
Descripción 3A DDR BUS TERMINATION REGULATOR
Fabricantes Unisonic Technologies 
Logotipo Unisonic Technologies Logotipo



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No Preview Available ! UR6515A Hoja de datos, Descripción, Manual

UNISONIC TECHNOLOGIES CO., LTD
UR6515A
LINEAR INTEGRATED CIRCUIT
3A DDR BUS TERMINATION
REGULATOR
„ DESCRIPTION
The UR6515A is a linear regulator providing up to 3A
transient peak current sourcing and sinking capability for DDR
SDRAM bus terminator applications while regulating an output
voltage to within 40mV. It contains a high speed operational amplifier
which provides fast load transient response and only requires 10uF
of ceramic output capacitance.
The UR6515A output termination voltage tracks the reference
voltage applied at VREF pin. A resistor divider connected to VIN, GND
and VREF pins is used to force the reference voltage to VREF pin.
Additional features include current limiting protection and thermal
shutdown protection.
„ FEATURES
*DDR1/ DDR2 termination voltage applications
*Low output voltage offset within 20mV
*Source and sink 3A peak current
*Adjustable output voltage by external resistors
*Integrated power MOS devices
*Suspend to RAM(STR) functionality
*Current Limiting Protection
*Thermal Shutdown Protection
*Cost-effective and easy to use
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UR6515L-TN5-R
UR6515G-TN5-R
UR6515L-TQ5-R
UR6515G-TQ5-R
UR6515L-TQ5-T
UR6515G-TQ5-T
1
1
Package
TO-252-5
TO-263-5
TO-263-5
TO-252-5
TO-263-5
Packing
Tape Reel
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
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UR6515A pdf
UR6515A
„ TYPICAL APPLICATIONS CIRCUITS
LINEAR INTEGRATED CIRCUIT
2.5V/1.8V
3.3V
VOUT 5
VREF 4
VCNTL 3
GND 2
VIN 1
COUT
CSS
CCNTL
R1 R2
CIN
VOUT
Enable
R1=R2=100K, COUT=10μF(Ceramic)+1000μF under the worst case testing condition
CSS=1μF, CIN=470μF(Low ESR), CCNTL=47μF
VREF
=
R2
R1 + R2
VIN ( V )
,
VOUT
track
VREF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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