IC manufacturers Analog Devices

IC manufacturers (103)

Analog Devices LTM4700 | Demoboard DC2784A-B

High Current, PolyPhase Step-Down Power μModule Supply with Digital Power System Management 3×LTM4700, 300A

Overview

TopologyBuck Converter
Input voltage4.5-16 V
Switching frequency350 kHz
Output 116 V / 300 A
Output 216 V / 1 A
Output 34.5 V / 1 A
IC revision00

Description

Demonstration circuit 2784A-B is a high efficiency, highdensity, μModule regulator with 4.5V to 16V input range.The output voltage is adjustable from 0.5V to 1.8V and itcan supply 300A maximum load current. The demo boardhas three LTM®4700 μModule regulators, which is a dual50A or single 100A step-down regulator with digital powersystem management. Please see LTM4700 data sheet formore 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
  • Industrial

More information

Products

Order Code
Data­sheet
Simu­lation
Downloads
Status
Product series
f(mm)
λDom typ.(nm)
Emitting Color
λPeak typ.(nm)
IV typ.(mcd)
VF typ.(V)
Chip Technology
50% typ.(°)
Pins
Type
Mount
L(mm)
H(mm)
IR(A)
Working Voltage(V (AC))
Operating Temperature
Samples
WL-SMCW SMT Mono-color Chip LED Waterclear, –, 630 nm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Dominant Wavelength [typ.]630 nm
Emitting ColorSuper Red 
Peak Wavelength [typ.]645 nm
Luminous Intensity [typ.]60 mcd
Forward Voltage [typ.]1.9 V
Chip TechnologyAlInGaP 
Viewing Angle Phi 0° [typ.]140 °
MountSMT 
Length1.6 mm
Height0.7 mm
Operating Temperature -40 °C up to +85 °C
WL-SMCW SMT Mono-color Chip LED Waterclear, –, 525 nm
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Dominant Wavelength [typ.]525 nm
Emitting ColorGreen 
Peak Wavelength [typ.]515 nm
Luminous Intensity [typ.]430 mcd
Forward Voltage [typ.]3.2 V
Chip TechnologyInGaN 
Viewing Angle Phi 0° [typ.]140 °
MountSMT 
Length1.6 mm
Height0.7 mm
Operating Temperature -40 °C up to +85 °C
WA-SNSR Self-Retaining Spacer, 4.8 mm, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Drilling in Panel4.8 mm
Length12.7 mm
Operating Temperature -30 °C up to +85 °C
WR-PHD Jumper, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Jumper
Pins
Rated Current3 A
Working Voltage200 V (AC)
Operating Temperature -25 °C up to +105 °C
WR-PHD Pin Header, –, –
Simu­lation
Status Activei| Production is active. Expected lifetime: >10 years.
Product seriesWR-PHD Pin Header
Pins
TypeStraight 
MountTHT 
Length6 mm
Rated Current2 A
Working Voltage200 V (AC)
Operating Temperature -40 °C up to +105 °C