Datasheet Analog Devices LTC3884ERHE-1#PBF — 数据表

LTC3884/LTC3884-1
Dual Output PolyPhase
Step-Down Controller with Sub-Milliohm DCR Sensing
and Digital Power System Management
FEATURES
DESCRIPTION PMBus/I2C Compliant Serial Interface
– Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults
– Programmable Voltage, Current Limit, Digital SoftStart/Stop, Sequencing, Margining, OV/UV/OC
n Sub-Milliohm DCR Current Sensing
n Digitally Adjustable Loop Compensation Parameters
n ±0.5% Output Voltage Accuracy Over Temperature
n Integrated Input Current Sense Amplifier
n Internal EEPROM with ECC and Fault Logging
n Integrated N-Channel MOSFET Gate Drivers (LTC3884)
Power Conversio Wide V Range: 4.5V to 38V
IN
n V
OUT Range: 0.5V to 3.5V (with Low DCR Setting);
0.5V to 5.5V (without Low DCR Setting)
n Accurate PolyPhase® Current Sharing for Up to 6 Phases
nn AEC-Q100 Qualified for Automotive Applications
n The LTC®3884/LTC3884-1 are dual output PolyPhase DC/
DC synchronous step-down switching regulator controllers …

LTC3884/LTC3884-1
Dual Output PolyPhase
Step-Down Controller with Sub-Milliohm DCR Sensing
and Digital Power System Management
FEATURES
DESCRIPTION PMBus/I2C Compliant Serial Interface
– Telemetry Read-Back Includes VIN, IIN, VOUT, IOUT, Temperature and Faults
– Programmable Voltage, Current Limit, Digital SoftStart/Stop, Sequencing, Margining, OV/UV/OC
n Sub-Milliohm DCR Current Sensing
n Digitally Adjustable Loop Compensation Parameters
n В±0.5% Output Voltage Accuracy Over Temperature
n Integrated Input Current Sense Amplifier
n Internal EEPROM with ECC and Fault Logging
n Integrated N-Channel MOSFET Gate Drivers (LTC3884)
Power Conversio Wide V Range: 4.5V to 38V
IN
n V
OUT Range: 0.5V to 3.5V (with Low DCR Setting);
0.5V to 5.5V (without Low DCR Setting)
n Accurate PolyPhaseВ® Current Sharing for Up to 6 Phases
n Available in 48-Lead 7mm Г— 7mm QFN and
5mm Г— 6mm GQFN Packages.
n APPLICATIONS The LTCВ®3884/LTC3884-1 are dual output PolyPhase DC/ …