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UR5515

Features: ·Support Both DDR-I (1.25 VTT) and DDR-II (0.9 VTT) Requirements·Capable of Sourcing and Sinking Current 1.5A/3A·Current-limiting Protection and Thermal Shutdown Protection·Integrated Power MOSFETs·Generates Termination Voltages for SSTL-2·High Accuracy Output Voltage at Full-Load·Adjust...

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SeekIC No. : 004538486 Detail

UR5515: Features: ·Support Both DDR-I (1.25 VTT) and DDR-II (0.9 VTT) Requirements·Capable of Sourcing and Sinking Current 1.5A/3A·Current-limiting Protection and Thermal Shutdown Protection·Integrated Powe...

UR5515 Data Sheet

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Part Number:
UR5515
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/4/27

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Product Details

Description



Features:

·Support Both DDR-I (1.25 VTT) and DDR-II (0.9 VTT) Requirements
·Capable of Sourcing and Sinking Current 1.5A/3A
·Current-limiting Protection and Thermal Shutdown Protection
·Integrated Power MOSFETs
·Generates Termination Voltages for SSTL-2
·High Accuracy Output Voltage at Full-Load
·Adjustable output voltage by External Resistors
·Minimum External Components
·Shutdown for Standby or Suspend Mode Operation with High-impedance Output.


Specifications

PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage
VIN
7
V
Power Dissipation
PD
Internally Limited
W
Junction Temperature
TJ
125
Storage Temperature Range
TSTG
-40 ~ 150

Note:1.Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2.The device is guaranteed to meet performance specification within 0~70 operating temperature range
and assured by design from 20~85.




Description

The UTC UR5515 is a linear bus termination regulator and designed to convert voltage supplies ranging from 1.6V~6.0V into a desired output voltage, which adjusted by two external voltage divider resistors. The device can both source and sink up to 1.5A/3A of current while regulating an output voltage to within 2% (DDR-I) and 3% (DDR-II) or less.

The UTC UR5515 is capable of use in conjunction with series termination resistors to provide an excellent voltage source for active termination schemes of high speed transmission lines as those seen in high speed memory buses and distributed backplane designs.

The voltage output of the regulator UR5515 can be used as a termination voltage for DDR SDRAM.




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