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LT3791MPFE

LT3791MPFE

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Quantity Available
Shenzhen
9045 pcs
Shanghai
7725 pcs
Hong Kong
5131 pcs
United States
5609 pcs
The above prices and inventory are for reference only, please consult customer service for the latest quotation and inventory!
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Specifications of LT3791MPFE

Part Number LT3791MPFE
Date Code 2331
Quantity Available 27510 pcs
Manufacturer Linear Technology/Analog Devices
Lead Time Ship within 24 hours
QTY 2500
Datasheet LT3791.pdf
Minimum Quantity More than 50pcs
Distributor SingSun
RoHS Status Lead free / RoHS Compliant
Ship From Hong Kong
Shipment Way EMS/SF/DHL/TNT/UPS/FedEx
Country of Assembly TAIWAN
Country of Diffusion TAIWAN,CHINA
Lot Number IR99849.38
MSL 3
Packaging Tube
Base Product Number LT3791
Series True Color PWM
Type DC DC Controller
Topology Step-Down (Buck), Step-Up (Boost)
Internal Switch(s) No
Number of Outputs 1
Voltage - Supply (Min) 4.7V
Voltage - Supply (Max) 60V
Voltage - Output 0 V ~ 60 V
Current - Output / Channel -
Frequency 200 ~ 700kHz
Dimming Analog, PWM
Applications Lighting
Operating Temperature -55°C ~ 150°C (TJ)
Mounting Type Surface Mount
Package / Case 38-TFSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 38-TSSOP-EP

LT3791MPFE Features

  • 4-Switch Single Inductor Architecture Allows VIN Above, Below or Equal to VOUT
  • Synchronous Switching: Up to 98.5% Efficiency
  • Wide VIN Range: 4.7V to 60V
  • Wide VOUT Range: 0V to 60V (52V LED)
  • ±6% LED Current Accuracy: 0V ≤ VLED < 52V
  • True Color PWM™ and Analog Dimming
  • LED and Input Current Regulation with Current Monitor Outputs
  • No Top MOSFET Refresh in Buck or Boost
  • VOUT Disconnected From VIN During Shutdown
  • Open or Shorted LED Fault Protection
  • Capable of 100W or Greater per IC
  • 38-Lead TSSOP with Exposed Pad

LT3791MPFE Applications

  • Automotive Head Lamps/Running Lamps
  • General Purpose Lighting

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LT3791MPFE Description

The LT3791 is a synchronous 4-switch buck-boost LED driver controller. The controller can regulate LED current up to 52V of LED string with input voltages above, below, or equal to the output voltage. The constant-frequency, forced-continuous current mode architecture allows its frequency to be adjusted or synchronized from 200kHz to 700kHz. No top MOSFET refresh switching cycle is needed in buck or boost operation. With 60V input, 60V output capability and seamless transitions between operating regions, the LT3791 is ideal for LED driver applications in automotive, industrial, and even battery-powered systems.

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