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RT9199

Features: ·Ideal for DDR-II VTT Applications·Sink and Source 2A Peak Current·Integrated Power MOSFETs·Generate Termination Voltage for DDR Memory Interfaces·High Accuracy Output Voltage at Full-Load·Output Adjustment by Two External Resistors·Low External Component Count·Shutdown for Suspend to RA...

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SeekIC No. : 004479895 Detail

RT9199: Features: ·Ideal for DDR-II VTT Applications·Sink and Source 2A Peak Current·Integrated Power MOSFETs·Generate Termination Voltage for DDR Memory Interfaces·High Accuracy Output Voltage at Full-Load...

RT9199 Data Sheet

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Part Number:
RT9199
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/14

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Product Details

Description



Features:

·Ideal for DDR-II VTT Applications
·Sink and Source 2A Peak Current
·Integrated Power MOSFETs
·Generate Termination Voltage for DDR Memory Interfaces
·High Accuracy Output Voltage at Full-Load
·Output Adjustment by Two External Resistors
·Low External Component Count
·Shutdown for Suspend to RAM (STR) Functionality with High-Impedance Output
·Current Limiting Protection
·On-Chip Thermal Protection
·RoHS Compliant and 100% Lead (Pb)-Free


Application

·Desktop PCs, Notebooks, and Workstations
·Graphics Card Memory Termination
·Set Top Boxes, Digital TVs, Printers
·Embedded Systems
·Active Termination Buses
·DDR/II Memory Systems


Pinout

Connection Diagram


Specifications

`Input Voltage, VIN ------------------------------------------------------------------------------------------------ 6V
`Control Voltage, VCNTL ------------------------------------------------------------------------------------------ 6V
`Power Dissipation, PD @ TA = 25°C
SOP-8 ------------------------------------------------------------------------------------------------------------ 0.909W
SOP-8 (Exposed Pad) ---------------------------------------------------------------------------------------- 1.176W
`Package Thermal Resistance (Note 4)
SOP-8, JA --------------------------------------------------------------------------------------------------- 110° C/W
SOP-8, JC ---------------------------------------------------------------------------------------------------- 60° C/W
SOP-8 (Exposed Pad), JA --------------------------------------------------------------------------------- 86° C/W
SOP-8 (Exposed Pad), JC --------------------------------------------------------------------------------- 15° C/W
`Junction Temperature -------------------------------------------------------------------------------------- 125°C
`Lead Temperature (Soldering, 10 sec.) ----------------------------------------------------------------- 260°C
`Storage Temperature Range ---------------------------------------------------------------- 65°C to 150°C
`ESD Susceptibility (Note 2)
HBM (Human Body Mode) ----------------------------------------------------------------------------------------- 2kV
MM (Machine Mode) ---------------------------------------------------------------------------------------------- 200V


Description

The RT9199 is a simple, cost-effective and high-speed linear regulator designed to generate termination voltage in double data rate (DDR) memory system to comply with the devices requirements. The regulator is capable of actively sinking or sourcing up to 2A peak while regulating an output voltage to within 20mV. The output termination voltage can be tightly regulated to track 1/2VDDQ by two external voltage divider resistors or the desired output voltage can be pro-grammed by externally forcing the REFEN pin voltage.

The RT9199 also incorporates a high-speed differential amplifier to provide ultra-fast response in line/load transient. Other features include extremely low initial offset voltage, excellent load regulation, current limiting in bi-directions and on-chip thermal shut-down protection. The RT9199 are available in both SOP-8 and SOP-8 (Exposed Pad) surface mount packages.




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