LTP8803-1A Series

160A DC/DC Power μModule Regulator with PMBus Interface

Catalog

160A DC/DC Power μModule Regulator with PMBus Interface

Part	Voltage - Output	Frequency - Switching	Regulator Topology	Utilized IC / Part	Voltage - Input [Max]	Voltage - Input [Min]	Board Type	Current - Output	Main Purpose	Supplied Contents	Outputs and Type	Outputs and Type	Voltage - Output 1 [Max]	Voltage - Output 1 [Min]	Package / Case	Operating Temperature [Min]	Operating Temperature [Max]	Voltage - Input (Max) [Max]	Mounting Type	Applications	Current - Output (Max) [Max]	Features	Number of Outputs	Supplier Device Package	Efficiency	Voltage - Input (Min) [Min]	Type	Size / Dimension [z]	Size / Dimension [y]	Size / Dimension [y]	Size / Dimension [x]	Size / Dimension [z]	Size / Dimension [x]
Analog Devices DC3190A-D	1.15 V	600 kHz	Buck	LTP8803-1A	65 V	45 V	Fully Populated	160 A	DC/DC Step Down	Board(s)	Non-Isolated	1
Analog Devices LTP8803-1AIPV#PBF													1.5 V	0.5 V	Module	0 °C	125 °C	65 V	Surface Mount	ITE (Commercial)	160 A	Adjustable Output I2C Interface PMBus™ Remote Sense	1	Module	91.7 %	45 V	Non-Isolated PoL Module	22.5 mm	22 mm	0.87 in	24 mm	0.89 in	0.94 in

Catalog

160A DC/DC Power μModule Regulator with PMBus Interface

Key Features

• High Efficiency at High FrequencyUp to 91.8% Efficiency at 600kHz, 54VINto 1.2VOUT

• Up to 91.8% Efficiency at 600kHz, 54VINto 1.2VOUT

• PMBus-Compliant I2C Serial InterfaceMonitor Voltage, Current, Temperature, and FaultsInternal EEPROM Fault Log RecordDigitally Programmable Control LoopProgram Voltage, Current Limits, Soft-Start/Soft-Stop, Frequency, Synchronization and Phasing, Power-Good, Warnings and Faults

• Monitor Voltage, Current, Temperature, and Faults

• Internal EEPROM Fault Log Record

• Digitally Programmable Control Loop

• Program Voltage, Current Limits, Soft-Start/Soft-Stop, Frequency, Synchronization and Phasing, Power-Good, Warnings and Faults

• Wide Input Voltage Range: 45V to 65V

• Output Voltage Range: 0.5V to 1.5V

• Optimized for 45V to 65VINto 1.2VOUT

• ±0.5% Maximum DC Output Error with Differential Remote Voltage Sense

• ±3% Current Readback Accuracy

• Parallel and Current Share Multiple μModule ICs

• Pin Compatible with LTP8800-1A and LTP8800-4A (Optimized for 0.8VOUT)

• 22mm × 24mm × 22mm Surface-Mounted Package

Description

The LTP8803-1A is a 160A step-down μModule®regulator that provides microprocessor core voltage from 54V power distribution architecture. It features remote configurability and telemetry monitoring of power management parameters over PMBus—an open standard I2C-based digital interface protocol.The LTP8803-1A is comprised of a programmable digital control system with precision mixed-signal circuitry, EEPROM, power MOSFETs, planar transformer, inductors, and supporting components. Its high level of integration minimizes component count and design time and maximizes flexibility and power density.The LTP8803-1A preserves high efficiency at high conversion ratios by utilizing a resonant switching architecture that eliminates high voltage switching losses.The LTP8803-1A is available in a 22mm × 24mm × 22mm surface-mounted open frame package.ApplicationsHigh Current Distributed Power SystemsServers, Network, and Storage EquipmentIntelligent Energy Efficient Power Regulation