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Manufacturer / Brand: AD
Details: High Power Synchronous Switching Regulator Controller for DDR Memory Termination
Series: LTC3831-1
Quantity Available: Over 66210 pieces

Datasheet for LTC3831-1:

LTC3831-1 datasheet
Price for LTC3831-1
Product Parameters
  • Manufacturer Part Number : LTC3831-1
  • Manufacturer : AD
  • Description : High Power Synchronous Switching Regulator Controller for DDR Memory Termination
  • Series : LTC3831-1
  • Reference Price : USD 2.32
  • Our Price : We have a better price, contact us by email
  • Product Type : Switching Regulators
  • Function : DDR Memory/Bus Termination
  • Current Suggest : Production
  • Status : Production
  • RoHS Status: -
  • Voltage: -
  • Feature: -
  • Package Case: -
  • Temperature Range: -
  • Packing: Reel/Tray/Tube
  • Standard Packing Quantity: -
  • Country of Origin: -
  • Other Part Number : LTC3831-1
  • Shipping methods : DHL FEDEX UPS TNT
  • Delivery Time : Ship within 1 day.
  • Manufacturer Production time : 6-8 weeks (Normally have stocks)
  • Weight : 0.001KG

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Features and Benefits of LTC3831-1
Product Detailed Description for LTC3831-1

The LTC3831-1 is a high power, high efficiency switching regulator controller designed for DDR memory termination. The LTC3831-1 generates an output voltage equal to 1/2 of an external supply or reference voltage. The LTC3831-1 uses a synchronous switching architecture with N-channel MOSFETs. Additionally, the chip senses output current through the drain-source resistance of the upper N-channel FET, providing an adjustable current limit without a current sense resistor.

The LTC3831-1 operates with input supply voltage as low as 3V and with a maximum duty cycle of >91%. It includes a fixed frequency PWM oscillator for low output ripple operation. The 300kHz free-running clock frequency can be externally adjusted or synchronized with an external signal from 100kHz to above 500kHz. In shutdown mode, the LTC3831-1 supply current drops to <10µA.

Feedback Voltage Accuracy Over Temp
LTC3831 1.25V 1.5%
LTC3831-1 0.75V 1.6%

Applications

  • DDR SDRAM Termination
  • SSTL_2, SSTL_3 Interface
  • HSTL Interface
Lifecycle information of LTC3831-1

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

LTC3831-1 More photos
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