Features
LTM4676 Dual 13A or Single 26A µModule Regulator with Digital Power System Management Description
n Dual, Fa...
Features
LTM4676 Dual 13A or Single 26A µModule Regulator with Digital Power System Management Description
n Dual, Fast, Analog Loops with Digital Interface for
Control and Monitoring
n Wide Input
Voltage Range: 4.5V to 26.5V n Output
Voltage Range: 0.5V to 5.4V (4V on VOUT0) n ±1% Maximum DC Output Error Over Temperature n ±2.5% Current Readback Accuracy at 10A Load n 400kHz PMBus-Compliant I2C Serial Interface n Integrated 16-Bit ∆Σ ADC n Constant Frequency Current Mode Control n Parallel and Current Share Multiple Modules n 16 Slave Addresses; Rail/Global Addressing n 16mm × 16mm × 5.01mm BGA Package Readable Data: n Input and Output
Voltages, Currents, and Temperatures n Running Peak Values, Uptime, Faults and Warnings n Onboard EEPROM Fault Log Record Writable Data and Configurable Parameters: n Output
Voltage,
Voltage Sequencing and Margining n Digital Soft-Start/Stop Ramp n OV/UV/OT, UVLO, Frequency and Phasing
Applications
n System Optimization, Characterization and Data Mining in Prototype, Production and Field Environments
n Telecom, Datacom, and Storage Systems
The LTM®4676 is a dual 13A or single 26A step-down µModule® (micromodule) DC/DC regulator featuring remote configurability and telemetry-monitoring of power management parameters over PMBus— an open standard I2C-based digital interface protocol . The LTM4676 is comprised of fast analog control loops, precision mixedsignal circuitry, EEPROM, power
MOSFETs, inductors and supporting components....
