Datasheet Analog Devices LTM4678IY — Datenblatt

LTM4678
Dual 25A or Single 50A µModule Regulator
with Digital Power System Management
FEATURES DESCRIPTION Dual Digitally Adjustable Analog Loops with Digital
Interface for
Control and Monitoring
nn Wide Input Voltage Range: 4.5V to 16V
nn Output Voltage Range: 0.5V to 3.4V
nn ±0.5% Maximum DC Output Error Over Temperature
nn ±3.5% Current Readback Accuracy, –20°C to 125°C
nn Sub-Milliohm DCR Current Sensing
nn Integrated Input Current Sense Amplifier
nn 400kHz PMBus-Compliant I2C Serial Interface
nn Supports Telemetry Polling Rates up to 125Hz
nn Integrated 16-Bit ∆Σ ADC
nn Constant Frequency Current Mode Control
nn Parallel and Current Share Up to 250A
nn 16mm × 16mm × 5.86mm CoP-BGA Package
Readable Data
nn Input and Output Voltages, Currents, and Temperatures
nn Running Peak Values, Uptime, Faults and Warnings
nn Onboard EEPROM Fault Log Record
Writable Data and Configurable Parameters
nn Output Voltage, Voltage Sequencing and Margining …

LTM4678
Dual 25A or Single 50A µModule Regulator
with Digital Power System Management
FEATURES DESCRIPTION Dual Digitally Adjustable Analog Loops with Digital
Interface for
Control and Monitoring
nn Wide Input Voltage Range: 4.5V to 16V
nn Output Voltage Range: 0.5V to 3.3V
nn ±0.5% Maximum DC Output Error Over Temperature
nn ±5% Current Readback Accuracy
nn Sub-Milliohm DCR Current Sensing
nn Integrated Input Current Sense Amplifier
nn 400kHz PMBus-Compliant I2C Serial Interface
nn Supports Telemetry Polling Rates up to 125Hz
nn Integrated 16-Bit ∆Σ ADC
nn Constant Frequency Current Mode Control
nn Parallel and Current Share Up to 250A
nn 16mm × 16mm × 5.86mm CoP-BGA Package
Readable Data:
nn Input and Output Voltages, Currents, and Temperatures
nn Running Peak Values, Uptime, Faults and Warnings
nn Onboard EEPROM Fault Log Record
Writable Data and Configurable Parameters:
nn Output Voltage, Voltage Sequencing and Margining …