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NCP5208

Features: • Supports Both DDR−I and DDR−II SDRAM Requirements• Single Supply Voltage Operation as Low as 1.7 V• Integrated Power MOSFETs• Few External Components Needed• Source and Sink Current Up to 1.5 A• Load Regulation Within 3%• Both Sour...

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SeekIC No. : 004433031 Detail

NCP5208: Features: • Supports Both DDR−I and DDR−II SDRAM Requirements• Single Supply Voltage Operation as Low as 1.7 V• Integrated Power MOSFETs• Few External Components ...

NCP5208 Data Sheet

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Part Number:
NCP5208
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Supports Both DDR−I and DDR−II SDRAM Requirements
• Single Supply Voltage Operation as Low as 1.7 V
• Integrated Power MOSFETs
• Few External Components Needed
• Source and Sink Current Up to 1.5 A
• Load Regulation Within 3%
• Both Source and Sink Current Limits
• Open−Drain VTT OK (POK) Pin
• Shutdown Pin
• Thermal Shutdown
• Housed in SO−8 Package


Application

• DDR Termination Voltage
• Active Bus Termination (SSTL−2, SSTL−3)


Pinout

Connection Diagram


Specifications

Rating Symbol Value Unit
AVIN, PVIN, VDDQ, VFB, VTT to GND − −0.3, 6.0 V
Input/Output Pins SD VIO −0.3, 6.0 V
Open Drain Output Pins POK VPOK −0.3, 6.0 V
Thermal Characteristics
SO−8 Package
Thermal Resistance, Junction−to−Air		 RJA_T 151 °C/W
Operating Junction Temperature Range TJ −10 to +150 °C
Operating Ambient Temperature Range TA 0 to +70 °C
Storage Temperature Range Tstg −55 to +150 °C

1. This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM)  2.0 kV per JEDEC standard: JESD22A114. Machine Model (MM)  200 V per JEDEC standard: JESD22A115.
2. Latchup Current Maximum Rating:  150 mA per JEDEC standard: JESD78.




Description

The NCP5208 is a linear regulator specifically designed for the active termination of DDR−I/II SDRAM. The device can be operated from a single supply voltage as low as 1.7 V. For DDR−I applications, the device is capable of sourcing and sinking current up to 1.5 A with the output voltage regulated to within +3% or better. A separate voltage feedback pin ensures superior load regulation against load and line changes.

Protective features of the NCP5208 include soft−start, source/sink current limits and thermal shutdown. Open−drain VTT OK output (POK) is added for system monitoring. The shutdown pin can tri−state the regulator output for Suspend To RAM (STR) state. This device is available in a SO−8 package.




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