Datasheet Analog Devices LTC3880EUJ#PBF — Datenblatt

LTC3880/LTC3880-1
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 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 Internal EEPROM with ECC and Fault Logging
nn Integrated Powerful N-Channel MOSFET Gate Drivers
Power Conversion
nn Wide V Range: 4.5V to 24V
IN
nn V
Range:
0.5V to 5.4V (4V on VOUT0)
OUT
nn Analog Current Mode Control Loop
nn Accurate PolyPhase® Current Sharing for Up to 6 Phases
nn Available in a 40-Pin (6mm × 6mm) QFN Package
nn AEC-Q100 Qualified for Automotive Applications The LTC®3880/LTC3880-1 are dual, PolyPhase DC/DC …

LTC3880/LTC3880-1
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 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 Internal EEPROM with ECC and Fault Logging
nn Integrated Powerful N-Channel MOSFET Gate Drivers
Power Conversion
nn Wide V Range: 4.5V to 24V
IN
nn V
Range:
0.5V to 5.4V (4V on VOUT0)
OUT
nn Analog Current Mode Control Loop
nn Supports Power-Up Into Pre-Biased Load
nn Accurate PolyPhaseВ® Current Sharing for Up to 6 Phases …