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LTC3880 Datasheet

LTC3880 Datasheet

Dual Output PolyPhase Step-Down DC/DC Controller with Digital Power System Management
Part No.: LTC3880
Page: 118 Pages
Size: 1142 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2023-11-02 14:10:49
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LTC3880 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC3880EUJ#PBF Tube 61 LTC3880UJ 1 40 -40°C ~ 105°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880EUJ#TRPBF Reel 2000 LTC3880UJ 1 40 -40°C ~ 105°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880EUJ#TRMPBF Reel 500 LTC3880UJ 1 40 -40°C ~ 105°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880IUJ#PBF Tube 61 LTC3880UJ 1 40 -40°C ~ 125°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880IUJ#TRPBF Reel 2000 LTC3880UJ 1 40 -40°C ~ 125°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880IUJ#TRMPBF Reel 500 LTC3880UJ 1 40 -40°C ~ 125°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880EUJ#WPBF Tube 61 LTC3880UJ 1 40 -40°C ~ 105°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880EUJ#WTRPBF Reel 2000 LTC3880UJ 1 40 -40°C ~ 105°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880EUJ#WTRMPBF Reel 500 LTC3880UJ 1 40 -40°C ~ 105°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880IUJ#WPBF Tube 61 LTC3880UJ 1 40 -40°C ~ 125°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880IUJ#WTRPBF Reel 2000 LTC3880UJ 1 40 -40°C ~ 125°C 40-Lead (6mm × 6mm) Plastic QFN  
LTC3880IUJ#WTRMPBF Reel 500 LTC3880UJ 1 40 -40°C ~ 125°C 40-Lead (6mm × 6mm) Plastic QFN  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC3880 Datasheet(PDF)

LTC3880 Datasheet(Picture)

LTC3880 Features

  • PMBus/I2C Compliant Serial Interface
  • Telemetry Read Back includes VIN, IIN, VOUT, IOUT, Temperature and Faults
  • Programmable Voltage, Current Limit, Digital Soft-Start/Stop, Sequencing, Margining, OV/UV and Frequency Synchronization (250kHz to 1MHz)
  • ±0.5% Output Voltage Accuracy Over Temperature
  • Integrated 16-Bit ADC
  • Internal EEPROM with ECC and Fault Logging
  • Integrated Powerful N-Channel MOSFET Gate Drivers

Power Conversion

    • Wide VIN Range: 4.5V to 24V
    • VOUT Range: 0.5V to 5.4V (4V on VOUT0)
    • Analog Current Mode Control Loop
    • Accurate PolyPhase® Current Sharing for Up to 6 Phases
    • Available in a 40-Pin (6mm × 6mm) QFN Package
    • AEC-Q100 Qualified for Automotive Applications

LTC3880 Applications

  • High Current Distributed Power Systems
  • Telecom, Datacom and Storage Systems
  • Intelligent Energy Efficient Power Regulation

LTC3880 Description

The LTC3880 are dual, PolyPhase DC/DC synchronous step-down switching regulator controllers with an I2C-based PMBus compliant serial interface. The controllers use a constant frequency, current mode architecture that is supported by LTpowerPlay software development tool with graphical user interface (GUI).

Switching frequency, output voltage, and device address can be programmed using external configuration resistors. Parameters can be set via the digital interface or stored in EEPROM. Voltage, current, internal/external temperature and fault status can be read back through the bus interface. The LTC3880 incorporates a 5V linear regulator.

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