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With the development of main processors in PCs and servers, more and more source double-data-rate (DDR) memories are required in the mainboard, where the input voltage becomes lower and lower, and space limitation becomes higher and higher. The TPL51200 series of devices are 3-A sink and source DDR termination regulators specifically designed for the DDR applications with heavy space limitation. The TPL51200 series of devices implement a fast loadtransient response and only require a minimum output capacitance of 20 μF. The TPL51200 series of devices support a remote-sensing function and all power requirements for DDR VTT bus termination. In addition, the TPL51200 series of devices provide an open-drain PG signal for VTT regulation indication and an EN signal that can be used to discharge VTT for DDR applications. The TPL51200 series of devices are available in the thermally efficient DFN3x3-10 package with a thermal pad, and support the operating temperature range from –40°C to +125°C.
Features
• VIN Voltage: Support 2.5-V, 3.3-V and 5-V Power Rails
• VLDOIN Voltage Range: 1.1 V to 3.5 V
• Flexible Input Voltage Tracking Directly from REFIN orthrough External Resistor Divider
• 3-A Sink and Source Current Capability for DDRTermination
• Integrated Power MOSFETs
• Output Remote Sensing
• Fast Load-Transient Response
• Open-Drain Power Good to Monitor OUT Regulation
• Built in Soft-Start and UVLO, Current Limit andThermal Shutdown Protection
• Support DDR, DDR2, DDR3, DDR3L, Low PowerDDR3, and DDR4 VTT Applications
• Operating Temperature Range: –40°C to +125°C
• Small Package with DFN3x3-10
• Pb−Free and are RoHS Compliant
• Qualified for Automotive Applications with AEC-Q100Reliability Test
• Industrial and Automotive Temperature Range
Applications
• Memory VTT Regulator for DDR, DDR2, DDR3,DDR3L, Low Power DDR3, and DDR4
• Notebooks, Desktops, and Workstations
• Servers, Networking equipment and Datacenters
• Telecom and Base Station
Features
• VIN Voltage: Support 2.5-V, 3.3-V and 5-V Power Rails
• VLDOIN Voltage Range: 1.1 V to 3.5 V
• Flexible Input Voltage Tracking Directly from REFIN orthrough External Resistor Divider
• 3-A Sink and Source Current Capability for DDRTermination
• Integrated Power MOSFETs
• Output Remote Sensing
• Fast Load-Transient Response
• Open-Drain Power Good to Monitor OUT Regulation
• Built in Soft-Start and UVLO, Current Limit andThermal Shutdown Protection
• Support DDR, DDR2, DDR3, DDR3L, Low PowerDDR3, and DDR4 VTT Applications
• Operating Temperature Range: –40°C to +125°C
• Small Package with DFN3x3-10
• Pb−Free and are RoHS Compliant
• Qualified for Automotive Applications with AEC-Q100Reliability Test
• Industrial and Automotive Temperature Range
Applications
• Memory VTT Regulator for DDR, DDR2, DDR3,DDR3L, Low Power DDR3, and DDR4
• Notebooks, Desktops, and Workstations
• Servers, Networking equipment and Datacenters
• Telecom and Base Station