Datasheet Analog Devices LTC3882EUJ#PBF — 数据表

LTC3882
Dual Output PolyPhase
Step-Down DC/DC Voltage Mode Controller
with Digital Power System Management
DESCRIPTION FEATURES PMBus/I2C Compliant Serial Interface
nn Monitor Voltage, Current, Temperature and Faults
nn Digitally Programmable Voltage, Current Limit,
Soft-Start/Stop, Sequencing, Margining, AVP and
UV/OV Thresholds
nn 3V ≤ VINSNS ≤ 38V, 0.5V ≤ V
OUT ≤ 5.25V
nn ±0.5% Output Voltage Accuracy
nn Programmable PWM Frequency or External Clock
Synchronization from 250kHz to 1.25MHz
nn Accurate PolyPhase® Current Sharing
nn Internal EEPROM with Fault Logging and ECC
nn IC Supply Range: 3V to 13.2V
nn Resistor or Inductor DCR Current Sensing
nn Optional Resistor Programming for Key Parameters
nn 40-Pin (6mm × 6mm) QFN Package
nn AEC-Q100 Qualified for Automotive Applications The LTC®3882 is a dual, PolyPhase DC/DC synchronous
step-down switching regulator controller with PMBus
compliant serial interface. It uses a constant frequency, …

LTC3882
Dual Output PolyPhase
Step-Down DC/DC Voltage Mode Controller
with Digital Power System Management
DESCRIPTION FEATURES PMBus/I2C Compliant Serial Interface
nn Monitor Voltage, Current, Temperature and Faults
nn Digitally Programmable Voltage, Current Limit,
Soft-Start/Stop, Sequencing, Margining, AVP and
UV/OV Thresholds
nn 3V ≤ VINSNS ≤ 38V, 0.5V ≤ V
OUT ≤ 5.25V
nn В±0.5% Output Voltage Accuracy
nn Programmable PWM Frequency or External Clock
Synchronization from 250kHz to 1.25MHz
nn Accurate PolyPhaseВ® Current Sharing
nn Internal EEPROM with Fault Logging and ECC
nn IC Supply Range: 3V to 13.2V
nn Resistor or Inductor DCR Current Sensing
nn Optional Resistor Programming for Key Parameters
nn 40-Pin (6mm Г— 6mm) QFN Package
nn APPLICATIONS
High Current Distributed Power Systems
Servers, Network and Storage Equipment …