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See Technical Specifications

TPS51100DGQ

3A Source/Sink DDR terminator Regulator

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

TPS51100DGQ
Datasheet:

TPS51100DGQ Datasheet (PDF)
Applications:

Converter, DDR
Voltage - Input:

4.75V ~ 5.25V
Number of Outputs:

1
Voltage - Output:

1.2V ~ 3.6V
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TPS51100DGQ General 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 sleep-state 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.

Key Features

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

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)Special Purpose Regulators	Series	-
Applications	Converter, DDR	Voltage - Input	4.75V ~ 5.25V
Number of Outputs	1	Voltage - Output	1.2V ~ 3.6V
Operating Temperature	-40°C ~ 85°C	Mounting Type	Surface Mount
Base Product Number	TPS51100