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TPS51200QDRCRQ1

Mfr. #:
TPS51200QDRCRQ1
Mfr.:
Texas Instruments
Product Type:
DDR Termination Regulator
Series:
TPS51200-Q1
Package / Case:
VSON-10
Description:
DDR Termination Regulator

Product Attributes

AttributeValue
Supply VoltageVIN2.375 to 3.5V; VLDOIN1.1 to 3.5V functional range; REFIN0.5 to 1.8V
Output VoltageVO tracks REFIN/REFOUT; DDR4 example 0.6V, DDR3 0.75V, DDR2 0.9V
Output CurrentSpecified output tolerance+/-25 mV for -2A<IVO<2A; source current limit 3A minimum/4.5A typical, sink 3.5A minimum/5.5A typical; limits are not continuous ratings
ProtectionVIN/REFIN undervoltage, current limit and thermal shutdown
Operating Temperature-40 to +125°C ambient
FunctionSink/source DDR VTT regulator with buffered REFOUT and remote VOSNS
Reference Output+/-10 mA buffered REFOUT; tracking+/-15 mV at 0.6V<=REFIN<=1.25V
ControlEN, open-drainPGOOD, remote sense; soft start andoutput discharge
Output CapacitorMinimum 20 uF effective for DDR termination; typical 3x 10 uF MLCC
Package DetailsVSON,DRC,10 terminals;3 x3 mm body;0.5 mm pitch;1.0 mm maximum height

Product Description

TPS51200QDRCRQ1 is a DDR termination regulator with a source/sink VTT output, buffered reference and remote voltage sense. VTT follows a reference normally derived from the memory I/O rail. The separate buffered reference output lets the memory reference and higher-current termination rail share the intended tracking voltage.

Remote sensing compensates for distribution drop between the regulator and termination load. Continuous source/sink capability still depends on VLDOIN headroom and power dissipation; the fault current-limit thresholds are not load ratings.

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