Linear Regulators & Controllers
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  • Very Low Input /Very Low Dropout 1 Amp Regulator
  • SC4212L
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  • TS31223
  • High Input Voltage Linear Regulator
  • EZ1082
  • 10.0 A Positive Voltage Regulator
  • EZ1083
  • 7.5 A Positive Voltage Regulator
  • EZ1084C
  • 5 Amp Low-Dropout Regulator
Semtech SC2598

Semtech SC2598

Low Voltage DDR Termination Regulator

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The SC2598 is designed to meet the latest JEDEC specification for low power DDR3 and DDR4, while also supporting DDR and DDR2. The SC2598 regulates up to + 3A for VTT and up to + 40mA for VREF.

The SC2598 also provides an accuracy of +1% over temperature(which takes into account the internal resistor divider) for VREF and VTT for the memory controller and DRAM.

SC2598 protection features include thermal shutdown with auto-restart for VTT and over-current limit for both VTT and VREF.

Under-Voltage-Lock-Out circuits are included to ensure that the output is off when the bias voltage falls below its threshold, and that the part behaves elegantly in powerup or power-down.

The low external parts count combined with industry leading specifi cations make SC2598 an attractive solution for DDR through DDR4 termination.


  • Input to linear regulator (VIN): 1.0V to 3.6V
  • Output (VTT): 0.5V to 1.8V
  • Bias Voltage (VDD): 2.35V to 3.6V
  • Up to 3A sink or source from VTT for DDR through DDR4
  • + 1% over temperature (with respect to VDDQ/2, including internal resistor divider variation) VREF and VTT
  • Logic-level enable input
  • Built in soft-start
  • Thermal shutdown with auto-restart
  • Over current protection
  • Minimal output capacitance
  • Package: SOIC8-EDP


  • DDR Memory Termination


  • SOIC8-EDP - 2,500 pcs. tape and reel

Order Codes

  • SC2598SETRC - Lead free, Halogen free, RoHS/WEEE compliant product
  • SC2598EVB - Lead free, Halogen free, RoHS/WEEE compliant product

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