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BD3531F - Termination Regulator

Datasheet Summary

Description

BD3531F is a termination regulator that complies with JEDEC requirements for DDR-SDRAM.

This linear power supply uses a built-in N-channel MOSFET and high-speed OP-AMPS specially designed to provide excellent transient response.

Features

  • Incorporates a Push-Pull Power Supply for Termination (VTT).
  • Incorporates a Reference Voltage Circuit (VREF).
  • Incorporates an Enabler.
  • Incorporates an Undervoltage Lockout (UVLO).
  • Incorporates a Thermal Shutdown Protector (TSD).
  • Compatible with Dual Channel (DDR-II).

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Datasheet preview – BD3531F

Datasheet Details

Part number BD3531F
Manufacturer ROHM
File Size 858.57 KB
Description Termination Regulator
Datasheet download datasheet BD3531F Datasheet
Additional preview pages of the BD3531F datasheet.

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Full PDF Text Transcription

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Datasheet Termination Regulator for DDR-SDRAMs BD3531F General Description BD3531F is a termination regulator that complies with JEDEC requirements for DDR-SDRAM. This linear power supply uses a built-in N-channel MOSFET and high-speed OP-AMPS specially designed to provide excellent transient response. It has a sink/source current capability up to 1.5A and has a power supply bias requirement of 5.0V for driving the N-channel MOSFET. By employing an independent reference voltage input (VDDQ) and a feedback pin (VTTS), this termination regulator provides excellent output voltage accuracy and load regulation as required by JEDEC standards. Additionally, BD3531F has a reference power supply output (VREF) for DDR-SDRAM or for memory controllers.
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