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RT9005A/RT9005B

DDR VDDQ and Termination Voltage Regulator

RT9005A/RT9005B
New

The RT9005A/B is a dual-output linear regulator for DDR-SDRAM VDDQ supply and termination voltage VTT supply.
The Regulator is capable of actively sinking or sourcing up to 2A. The output termination voltage can be tightly regulated to track 1/2 VDDQ by two external voltage divider resistors.

应用

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

主要规格

RT9005A RT9005B
Status Active Active
Memory Supported DDRI;DDRII DDRI;DDRII
Vin (min) (V) 1.5 1.5
Vin (max) (V) 3.6 3.6
VTT Output Tolerance (max) (+/- mV) 20 20
Isource/Isink (max) (A) 2 2
Standby Current (typ) (mA) 0.05 0.05
Current Limit (typ) (A) 2.8 2.8
Features OCP OCP
Package Type PSOP-8 PSOP-8

关键特性

  • Ideal for DDR-I and DDR-II VDDQ, VTT Applications

  • Integrated Power MOSFETs

  • Generates Termination Voltage for SSTL_2, SSTL _18, HSTL, SCSI-2 and SCSI-3 Interfaces

  • High Accuracy Output Voltage at Full-Load

  • VOUT2 Sink and Source 2A Continuous Current

  • VOUT2 Adjustment by Two External Resistors

  • Shutdown for Suspend to RAM (STR) Functionality with High-Impedance Output

  • Current Limiting Protection

  • On-Chip Thermal Protection

  • Available in SOP-8 (Exposed Pad) Packages

  • RoHS Compliant and 100% Lead (Pb)-Free

Datasheet

DS9005AB-03.pdf

Datasheet

DS9005AB-03.pdf

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