Description

Dual 9A or Single 18A Module Regulator with Digital Power System Management Features: Dual, Fast, Analog Loops with Digital Interface for Control and Monitoring Wide Input Voltage Range: 4.5V to 17V Output Voltage Range: 0.5V to 5.5V ±0.5% Maximum DC Output Error Over Temperature ±2.5% Current Readback Accuracy at 9A Load 400kHz PMBus-Compliant I2C Serial Interface Integrated 16-Bit Σ ADC Supports Telemetry Polling Rates Up to 125Hz Constant Frequency Current Mode Control Parallel and Current Share Multiple Modules All 7-Bit Slave Addresses Supported Drop-In Pin-Compatible to Dual 13A LTM4676A and Dual 18A LTM4677 16mm × 11.9mm × 3.51mm BGA Package Readable Data: Input and Output Voltages, Currents, and Temperatures Running Peak Values, Uptime, Faults and Warnings Onboard EEPROM Fault Log Record with ECC Writable Data and Configurable Parameters: Output Voltage, Voltage Sequencing and Margining Digital Soft-Start/Stop Ramp OV/UV/OT, UVLO, Frequency and Phasing