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LTC4444-5 Datasheet

LTC4444-5 Datasheet

High Voltage Synchronous N-Channel MOSFET Driver
Part No.: LTC4444-5
Page: 14 Pages
Size: 168 KB
Manufacturer: Linear Technology
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Views: 1
Update Time: 2023-11-02 09:46:05
DataSheet: Download

LTC4444-5 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LTC4444EMS8E-5#PBF Tube 50 LTDPY 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LTC4444EMS8E-5#TRPBF Reel 2500 LTDPY 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LTC4444EMS8E-5#TRMPBF Reel 500 LTDPY 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LTC4444IMS8E-5#PBF Tube 50 LTDPY 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LTC4444IMS8E-5#TRPBF Reel 2500 LTDPY 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LTC4444IMS8E-5#TRMPBF Reel 500 LTDPY 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LTC4444HMS8E-5#PBF Tube 50 LTDPY 1 8 -40°C ~ 150°C 8-Lead Plastic MSOP  
LTC4444HMS8E-5#TRPBF Reel 2500 LTDPY 1 8 -40°C ~ 150°C 8-Lead Plastic MSOP  
LTC4444HMS8E-5#TRMPBF Reel 500 LTDPY 1 8 -40°C ~ 150°C 8-Lead Plastic MSOP  
LTC4444MPMS8E-5#PBF Tube 50 LTDPY 1 8 -55°C ~ 150°C 8-Lead Plastic MSOP  
LTC4444MPMS8E-5#TRPBF Reel 2500 LTDPY 1 8 -55°C ~ 150°C 8-Lead Plastic MSOP  
LTC4444MPMS8E-5#TRMPBF Reel 500 LTDPY 1 8 -55°C ~ 150°C 8-Lead Plastic MSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LTC4444-5 Datasheet(PDF)

LTC4444-5 Datasheet(Picture)

LTC4444-5 Features

  • Bootstrap Supply Voltage to 114V
  • Wide VCC Voltage: 4.5V to 13.5V
  • Adaptive Shoot-Through Protection
  • 1.4A Peak Top Gate Pull-Up Current
  • 1.75A Peak Bottom Gate Pull-Up Current
  • 1.5Ω Top Gate Driver Pull-Down
  • 0.75Ω Bottom Gate Driver Pull-Down
  • 5ns Top Gate Fall Time Driving 1nF Load
  • 8ns Top Gate Rise Time Driving 1nF Load
  • 3ns Bottom Gate Fall Time Driving 1nF Load
  • 6ns Bottom Gate Rise Time Driving 1nF Load
  • Drives Both High and Low Side N-Channel MOSFETs
  • Undervoltage Lockout
  • Thermally Enhanced 8-Pin MSOP Package

LTC4444-5 Applications

  • Distributed Power Architectures
  • Automotive Power Supplies
  • High Density Power Modules
  • Telecommunication Systems

LTC4444-5 Description

The LTC4444-5 is a high frequency high voltage gate driver that drives two N-channel MOSFETs in a synchronous DC/DC converter with supply voltages up to 100V. This powerful driver reduces switching losses in MOSFETs with high gate capacitance.

The LTC4444-5 is configured for two supply-independent inputs. The high side input logic signal is internally level-shifted to the bootstrapped supply, which may function at up to 114V above ground.

The LTC4444-5 contains undervoltage lockout circuits that disable the external MOSFETs when activated. Adaptive shoot-through protection prevents both MOSFETs from conducting simultaneously.

LTC4444-5 Datasheet Related Parts

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