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BD3538HFN

Rohm
Part Number BD3538HFN
Manufacturer Rohm
Description Termination Regulators
Published Jun 12, 2010
Detailed Description Datasheet Termination Regulators for DDR-SDRAMs BD3538F BD3538HFN General Description BD3538F/HFN is a termination reg...
Datasheet PDF File BD3538HFN PDF File

BD3538HFN
BD3538HFN

Overview
Datasheet Termination Regulators for DDR-SDRAMs BD3538F BD3538HFN General Description BD3538F/HFN 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 of up to 1A and has a power supply bias requirements of 3.
3V to 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, BD3538 has a reference power supply output (VREF) for DDR-SDRAM or a memory controller.
Unlike the VTT output that goes to “Hi-Z” state, the VREF output is kept unchanged when EN input is changed to “Low”, making this IC suitable for DDR-SDRAM under “Self Refresh” state.
Features  Incorporates a pu...


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