HomedatasheetL00006B

L00006B Datasheet

DDR Termination Regulator
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Description

Description
The LP2996-N and LP2996A linear regulators are designed to meet the JEDEC SSTL-2 specifications for termination of DDR-SDRAM. The device also supports DDR2, while LP2996A supports DDR3 and DDR3L VTT bus termination with VDDQ minimum of 1.35 V. The device contains a high-speed operational amplifier to provide excellent response to load transients. The output stage prevents shoot through while delivering 1.5-A continuous current and transient peaks up to 3 A in the application as required for DDR-SDRAM termination. The LP2996-N and LP2996A also incorporate a VSENSE pin to provide superior load regulation and a VREF output as a reference for the chipset and DIMMs.
TI recommends the LP2998 and LP2998-Q1 devices for automotive applications and DDR applications that require operating at temperatures below zero.
WEBENCH® design tools can be used by application designers to generate, optimize, and simlulate applications using the LP2998 and LP2998-Q1.

Features
• Minimum VDDQ:
   – 1.8 V (LP2996-N)
   – 1.35 V (LP2996A)
• Source and Sink Current
• Low Output Voltage Offset
• No External Resistors Required for Setting Output
   Voltage
• Linear Topology
• Suspend to Ram (STR) Functionality
• Stable With Ceramic Capacitors With Appropriate
   ESR
• Low External Component Count
• Thermal Shutdown

Applications
• LP2996-N: DDR1 and DDR2 Termination Voltage
• LP2996A: DDR1, DDR2, DDR3, and DDR3L
   Termination Voltage
• FPGA
• Industrial and Medical PC
• SSTL-2 and SSTL-3 Termination
• HSTL Termination

Features

Parameters


Manufacturer information

TEXAS INSTRUMENTS

Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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