LTM4677

LTM4677 Dual 18A or Single 36A µModule Regulator with Digital Power System Management Features Description nn Dual, Fast, 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 1.8V nn ±0.5% Maximum DC Output Error Over Temperature nn ±2.5% Current Readback Accuracy nn Pin Compatible with LTM4676A (Dual 13A, Single 26A) 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 Multiple Modules nn 16mm × 16mm × 5.01mm 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 with ECC Writable Data and Configurable Parameters: nn Output Voltage, Voltage Sequencing and Margining nn Digital Soft-Start/Stop Ramp nn OV/UV/OT, UVLO, Frequency and Phasing Applications nn System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments nn Telecom, Datacom, and Storage Systems The LTM®4677 is a dual 18A or single 36A step-down µModule® (power module) DC/DC regulator with 40ms turn-on time. It features remote configurability and telemetry-monitoring of power management parameters over PMBus— an open standard I2C-based digital interface protocol. The LTM4677 is comprised of fast analog control loops, precision mixed-sig...