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ADP3155 Datasheet (PDF) - Analog Devices

ADP3155 Datasheet PDF - Analog Devices
Part # ADP3155
Download  ADP3155 Download

File Size   200.38 Kbytes
Page   14 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 5-Bit Programmable Triple Power Supply Controller for Pentium III Processors

ADP3155 Datasheet (PDF)

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ADP3155 Datasheet PDF - Analog Devices

Part # ADP3155
Download  ADP3155 Click to download

File Size   200.38 Kbytes
Page   14 Pages
Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices
Description 5-Bit Programmable Triple Power Supply Controller for Pentium III Processors

ADP3155 Datasheet (HTML) - Analog Devices

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ADP3155 Product details

GENERAL DESCRIPTION
The ADP3155 is a highly efficient synchronous buck switching regulator controller optimized for converting the 5 V main supply into the core supply voltage required by the Pentium III and other high performance processors. The ADP3155 uses an internal 5-bit DAC to read a voltage identification (VID) code directly from the processor, which is used to set the output voltage between 1.3 V and 3.5 V. The ADP3155 uses a current-mode, constant off-time architecture to drive two external N-channel MOSFETs at a programmable switching frequency that can be optimized for size and efficiency. It also uses a unique supplemental regulation technique called active voltage positioning to enhance load transient performance.

FEATURES
   Active Voltage Positioning with Gain and Offset
      Adjustment
   Optimal Compensation for Superior Load Transient
      Response
   VRM 8.2, VRM 8.3 and VRM 8.4-Compliant
   5-Bit Digitally Programmable 1.3 V to 3.5 V Output
   Dual N-Channel Synchronous Driver
   Two Onboard Linear Regulator Controllers
   Total Output Accuracy 61% Over Temperature
   High Efficiency, Current-Mode Operation
   Short Circuit Protection
   Overvoltage Protection Crowbar Protects Microprocessors,
      with No Additional External Components
   Power Good Output
   TSSOP-20 Package

APPLICATIONS
   Desktop PC Power Supplies for:
      Pentium II and Pentium III Processor Families
      AMD-K6 Processors
      VRM Modules




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About Analog Devices


Analog Devices, Inc. (ADI) is a publicly traded company that designs, develops, and manufactures high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs).
The company was founded in 1965 and is headquartered in Norwood, Massachusetts.
ADI serves a wide range of industries, including aerospace and defense, automotive, communications, consumer, industrial, medical, and test and measurement.
The company's product portfolio includes data converters, amplifiers and comparators, power management ICs, microcontrollers, sensors, and radio frequency (RF) and microwave components, among others.
ADI is dedicated to innovation and customer satisfaction, and is committed to providing its customers with high-quality, reliable solutions to meet their needs.
With a focus on energy efficiency and sustainability, ADI is a leader in the analog and mixed-signal IC industry, driving technological advancements and providing innovative solutions to the world's most challenging problems.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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