Datasheet Analog Devices LTC3887IUJ-1#TRPBF — 数据表

LTC3887/LTC3887-1/
LTC3887-2
Dual Output PolyPhase Step-Down DC/DC Controller
with Digital Power System Management
FEATURES
DESCRIPTION
PMBus/I2C Compliant Serial Interface
nn Telemetry Read Back includes V , I , V
IN IN OUT, IOUT, Temperature, Duty Cycle and Faults
nn Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV
and Frequency Synchronization (250kHz to 1MHz)
nn ±0.5% Output Voltage Accuracy Over Temperature
nn Integrated 16-Bit ADC
nn V
OUT Range: 0.5V to 5.5V (VOUT0, VOUT1)
nn Internal EEPROM and Fault Logging with ECC
nn Integrated N-Channel MOSFET Gate Drivers (LTC3887)
nn Minimum On-Time 45ns
nn Wide V Range: 4.5V to 24V
IN
nn Analog Current Mode Control Loop
nn Remote Differential Sense for PolyPhase® Applications
nn Accurate PolyPhase Current Sharing for Up to Six Phases …

LTC3887/LTC3887-1
Dual Output PolyPhase
Step-Down DC/DC Controller with
Digital Power System Management
DESCRIPTION FEATURES PMBus/I2C Compliant Serial Interface
nn Telemetry Read Back includes V , I , V
IN IN OUT, IOUT, Temperature, Duty Cycle and Faults
nn Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV
and Frequency Synchronization (250kHz to 1MHz)
nn В±0.5% Output Voltage Accuracy Over Temperature
nn Integrated 16-Bit ADC
nn V
OUT Range: 0.5V to 5.5V (VOUT0, VOUT1)
nn Internal EEPROM and Fault Logging with ECC
nn Integrated N-Channel MOSFET Gate Drivers (LTC3887)
nn Minimum On-Time 45ns
nn Wide V Range: 4.5V to 24V
IN
nn Analog Current Mode Control Loop
nn Remote Differential Sense for PolyPhaseВ® Applications
nn Accurate PolyPhase Current Sharing for Up to Six Phases
nn Available in a 40-Pin (6mm Г— 6mm) QFN Package
nn APPLICATIONS The LTCВ®3887/LTC3887-1 are dual, PolyPhase DC/DC …