Analog Devices LTM4678 | Demoboard DC2638A-C

Description

Demonstration circuit 2638A-C is a high efficiency, highdensity, μModule regulator with 4.5V to 16V input range.The output voltage is adjustable from 0.5V to 3.3V, andit can supply 200A maximum load current. The demoboard has four LTM®4678 μModule® regulators, and theLTM4678 is a dual 25A or single 50A step-down regulatorwith PMBus power system management. Please seeLTM4678 data sheet for more detailed information.

Features

• Dual Digitally Adjustable Analog Loops with Digital Interface for Control and Monitoring
• Wide Input Voltage Range: 4.5V to 16V
• Output Voltage Range: 0.5V to 3.4V
• ±0.5% Maximum DC Output Error Over Temperature
• ±3.5% Current Readback Accuracy, –20°C to 125°C
• Sub-Milliohm DCR Current Sensing
• Integrated Input Current Sense Amplifier
• 400kHz PMBus-Compliant I2C Serial Interface
• Supports Telemetry Polling Rates up to 125Hz
• Integrated 16-Bit ∆Σ ADC
• Constant Frequency Current Mode Control
• Parallel and Current Share Up to 250A
• 16mm × 16mm × 5.86mm CoP-BGA Package Readable Data
• Input and Output Voltages, Currents, and Temperatures
• Running Peak Values, Uptime, Faults and Warnings
• Onboard EEPROM Fault Log Record Writable Data and Configurable Parameters
• Output Voltage, Voltage Sequencing and Margining
• Digital Soft-Start/Stop Ramp, Program Analog Loop
• OV/UV/OT, UVLO, Frequency and Phasing

Typical applications

• System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments

More information

• Datasheet
• IC product information