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reference designLTM4700EY | Demoboard DC2702A-A

Analog Devices LTM4700EY | Demoboard DC2702A-A

Dual 50A or Single 100A μModule Regulator With Digital Power System Management

Overview

TopologyBuck Converter
Input voltage4.5-16 V
Switching frequency500 kHz
Output 11.5 V / 50 A
Output 21.8 V / 50 A
IC revision00

Description

Demonstration circuit 2702A-A is a dual-output, highefficiency, high density, μModule regulator with 4.5V to16V input range. Each output can supply 50A maximumload current. The demo board has a LTM4700 μModuleregulator, which is a dual 50A or single 100A step-downregulator with digital power system management. Pleasesee LTM4700 data sheet for more detailed information.

Features

  • Dual 50A or Single 100A Digitally Adjustable Outputs withDigital Interface for Control, Compensation and Monitoring
  • Wide Input Voltage: 4.5V to 16V
  • Output Voltage Range: 0.5V to 1.8V
  • ~90% Full Load Efficiency from 12VIN to 1VOUT at 100A
  • ±0.5% Maximum DC Output Error Over Temperature
  • ±3% Current Readback Accuracy (25°C to 125°C)
  • Integrated Input Current Sense Amplifier
  • 400kHz PMBus-Compliant I2C Serial Interface
  • Supports Telemetry Polling Rates Up to 125Hz
  • Integrated 16-Bit ΔΣ ADC
  • Constant Frequency Current Mode Control
  • Parallel and Current Share Multiple Modules
  • 15mm × 22mm × 7.87mm BGA Package
  • Input and Output Voltages, Currents, and Temperatures
  • Running Peak Values, Uptime, Faults and Warnings
  • Internal EEPROM and Fault Logging with ECC
  • Output Voltage, Voltage Sequencing and Margining
  • Digital Soft-Start/Stop Ramp
  • Optimize Analog Loop Compensation
  • OV/UV/OT, UVLO, Frequency and Phasing

Typical applications

  • Telecom, Datacom, and Storage Systems
  • System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments

More information

Parts approved by Analog Devices

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702935000
SPECWA-SNSR Self-Retaining Spacer, 4.8 mm, –
Availability
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Downloads3 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWA-SNSR Self-Retaining Spacer
Drilling in Panel4.8 mm
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–
–
Length12.7 mm
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–
Operating Temperature -30 °C up to +85 °C
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60800213421
SPECWR-PHD Jumper, –, 2
Availability
–
Downloads3 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
–
Pins2 
–
–
–
Rated Current3 A
Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
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62000311121
SPECWR-PHD Pin Header, –, 3
Availability
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Downloads7 files

Status
ActiveProduction is active. Expected lifetime: >10 years.
iProduction is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
–
Pins3 
TypeStraight 
MountTHT 
Length6 mm
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C
–Check availability