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TPS51100

Texas Instruments
Part Number TPS51100
Manufacturer Texas Instruments
Description Source DDR Termination Regulator
Published Jun 19, 2020
Detailed Description Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS51100 SLUS600E – APRIL 2004...
Datasheet PDF File TPS51100 PDF File

TPS51100
TPS51100

Overview
Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPS51100 SLUS600E – APRIL 2004 – REVISED DECEMBER 2014 TPS51100 3-A Sink / Source DDR Termination Regulator 1 Features •1 Input Voltage Range: 4.
75 V to 5.
25 V • VLDOIN Voltage Range: 1.
2 V to 3.
6 V • 3-A Sink/Source Termination Regulator Includes Droop Compensation • Requires Only 20-μF Ceramic Output Capacitance • Supports Hi-Z in S3 and Soft-Off in S5 • 1.
2-V Input (VLDOIN) Helps Reduce Total Power Dissipation • Integrated Divider Tracks 0.
5 VDDQSNS for VTT and VTTREF • Remote Sensing (VTTSNS) • ±20-mV Accuracy for VTT and VTTREF • 10-mA Buffered Reference (VTTREF) • Built-In Soft-Start, UVLO, and OCL • Thermal Shutdown • Supports JEDEC Specifications 2 Applications • DDR, DDR2, DDR3 Memory Termination • SSTL-2, SSTL-18, and HSTL Termination 3 Description The TPS51100 is a 3-A, sink/source tracking termination regulator.
The device is specifically designed for low-cost and low-external component count systems where space is a premium.
The TPS51100 maintains fast transient response, only requiring 20 μF (2 × 10 μF) of ceramic output capacitance.
The TPS51100 supports remote sensing functions and all features required to power the DDR and DDR2 VTT bus termination according to the JEDEC specification.
The part also supports DDR3 VTT termination with VDDQ at 1.
5 V (typical).
In addition, the TPS51100 includes integrated sleepstate controls, placing VTT in Hi-Z in S3 (suspend to RAM) and soft-off for VTT and VTTREF in S5 (suspend to disk).
The TPS51100 is available in the thermally efficient 10-pin MSOP PowerPAD™ package and is specified from –40°C to 85°C.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) TPS51100 HVSSOP (10) 3.
00 mm x 3.
00 mm (1) For all available packages, see the orderable addendum at the end of the datasheet.
Simplified Schematic TPS51100DGQ 1 VDDQSNS VIN 10 5V_IN C1 2 x 10 µF 2 VLDOIN 3 VTT 4 PGND S5 9 GND 8 S3 7 S5 C2 0.
1 µF S3 5 ...


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