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TPS51116 The Texas Instruments TPS51116 is a complete DDR power solution. It integrates a synchronous buck controller and a 3A LDO, supporting various DDR memory types.
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TPS51116

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments TPS51116 is a complete DDR power solution. It integrates a synchronous buck controller and a 3A LDO, supporting various DDR memory types.
✓ Total Stock: 3,549 pcs

TPS51116 Available from 1 distributor

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Optech Co.,Limited ✓
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3,549 pcs
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3549 pcs On Request 1 On Request On Request 18+ On Request On Request
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TPS51116 Specifications Quick View

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TPS51116 Description

Short technical summary and product information.

The Texas Instruments TPS51116 is a versatile power management IC designed for DDR, DDR2, DDR3, DDR3L, LPDDR3, and DDR4 memory systems. It provides a complete power solution with a synchronous buck controller for VDDQ and a 3A LDO for VTT, along with a buffered reference.

 

This device features a wide input voltage range from 3.0V to 28V, making it suitable for diverse applications. The synchronous buck controller utilizes D-CAP mode for fast load step response and supports ceramic output capacitors. It offers adjustable output voltages for DDR3, DDR3L, LPDDR3, and DDR4, ranging from 1.5V down to 1.2V, or a general output range of 0.75V to 3.0V.

 

The TPS51116 includes essential protection features such as powergood, overvoltage protection, and undervoltage protection. The 3A LDO is capable of sinking and sourcing current, optimizing power losses. It requires minimal external components, including a 20-µF ceramic output capacitor for the LDO.

 

Available in HTSSOP (PWP) and VQFN (RGE) packages, the TPS51116 operates within a temperature range of -40°C to 85°C. Its design considerations include support for soft-off in S4/S5 states and current sensing capabilities.

TPS51116 Quick Information

Product Type: DDR Memory Power IC
Canonical Name: TPS51116 DDR, DDR2, DDR3, DDR3L, LPDDR3 and DDR4 Power Solution Synchronous Buck Controller, 3-A LDO, Buffered Reference
Subcategory: Special Purpose Regulators

TPS51116 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TPS51116 Features

  • Complete DDR power solution integrated.
  • Wide 3V to 28V input voltage range.
  • Synchronous buck controller with D-CAP mode.
  • 3A LDO for VTT and buffered reference.
  • Supports multiple DDR memory types.

TPS51116 Applications

  • Ideal for DDR memory power.
  • Suitable for LPDDR3 and DDR4.
  • Used in power management systems.
  • Supports various voltage rails.

TPS51116 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the TPS51116?

The input voltage range for the TPS51116 is 3 V to 28 V.

What is the output voltage range of the TPS51116?

The output voltage range is 0.75 V to 3 V.

What is the typical quiescent current (Iq) of the TPS51116?

The typical quiescent current is 0.8 mA.

What is the operating temperature range for the TPS51116?

The operating temperature range is -40°C to 85°C.

What DDR memory types does the TPS51116 support?

It supports DDR, DDR2, DDR3, DDR3L, DDR4, LPDDR2, and LPDDR3 memory types.

What is the LDO current capability of the TPS51116?

The LDO is capable of 3 A.

What is the load step response time in D-CAP mode?

The load step response time in D-CAP mode is 100 ns.

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