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LT3580 Datasheet

LT3580 Datasheet

Boost/Inverting DC/DC Converter with 2A Switch, Soft-Start, and Synchronization
Part No.: LT3580
Page: 28 Pages
Size: 267 KB
Manufacturer: Linear Technology
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Views: 3
Update Time: 2023-11-30 15:39:57
DataSheet: Download

LT3580 Datasheet Applicable Part

Part No. Packing SPQ Marking MSL Pins Temp Range Package Description Buy
LT3580EDD#PBF Tube 121 LCXY 1 8 -40°C ~ 125°C 8-Lead (3mm × 3mm) Plastic DFN  
LT3580EDD#TRPBF Reel 2500 LCXY 1 8 -40°C ~ 125°C 8-Lead (3mm × 3mm) Plastic DFN  
LT3580EDD#TRMPBF Reel 500 LCXY 1 8 -40°C ~ 125°C 8-Lead (3mm × 3mm) Plastic DFN  
LT3580IDD#PBF Tube 121 LCXY 1 8 -40°C ~ 125°C 8-Lead (3mm × 3mm) Plastic DFN  
LT3580IDD#TRPBF Reel 2500 LCXY 1 8 -40°C ~ 125°C 8-Lead (3mm × 3mm) Plastic DFN  
LT3580IDD#TRMPBF Reel 500 LCXY 1 8 -40°C ~ 125°C 8-Lead (3mm × 3mm) Plastic DFN  
LT3580EMS8E#PBF Tube 50 LTDCJ 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LT3580EMS8E#TRPBF Reel 2500 LTDCJ 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LT3580EMS8E#TRMPBF Reel 500 LTDCJ 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LT3580IMS8E#PBF Tube 50 LTDCJ 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LT3580IMS8E#TRPBF Reel 2500 LTDCJ 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LT3580IMS8E#TRMPBF Reel 500 LTDCJ 1 8 -40°C ~ 125°C 8-Lead Plastic MSOP  
LT3580HMS8E#PBF Tube 50 LTDCJ 1 8 -40°C ~ 150°C 8-Lead Plastic MSOP  
LT3580HMS8E#TRPBF Reel 2500 LTDCJ 1 8 -40°C ~ 150°C 8-Lead Plastic MSOP  
LT3580HMS8E#TRMPBF Reel 500 LTDCJ 1 8 -40°C ~ 150°C 8-Lead Plastic MSOP  
LT3580MPMS8E#PBF Tube 50 LTDCJ 1 8 -55°C ~ 150°C 8-Lead Plastic MSOP  
LT3580MPMS8E#TRPBF Reel 2500 LTDCJ 1 8 -55°C ~ 150°C 8-Lead Plastic MSOP  
LT3580MPMS8E#TRMPBF Reel 500 LTDCJ 1 8 -55°C ~ 150°C 8-Lead Plastic MSOP  
SPQ:Standard Pack Quantity;MSL:Moisture Sensitivity Level

LT3580 Datasheet(PDF)

LT3580 Datasheet(Picture)

LT3580 Features

  • 2A Internal Power Switch
  • Adjustable Switching Frequency
  • Single Feedback Resistor Sets VOUT
  • Synchronizable to External Clock
  • High Gain SHDN Pin Accepts Slowly Varying Input Signals
  • Wide Input Voltage Range: 2.5V to 32V
  • Low VCESAT Switch: 300mV at 1.5A (Typical)
  • Integrated Soft-Start Function
  • Easily Configurable as a Boost or Inverting Converter
  • User Configurable Undervoltage Lockout (UVLO)
  • Tiny 8-Lead 3mm × 3mm DFN and 8-Lead MSOP Packages

LT3580 Applications

  • VFD Bias Supplies
  • TFT-LCD Bias Supplies
  • GPS Receivers
  • DSL Modems
  • Local Power Supply

LT3580 Description

The LT3580 is a PWM DC/DC converter containing an internal 2A, 42V switch. The LT3580 can be configured as either a boost, SEPIC or inverting converter. Capable of generating 12V at 550mA or –12V at 350mA from a 5V input, the LT3580 is ideal for many local power supply designs.

The LT3580 has an adjustable oscillator, set by a resistor from the RT pin to ground. Additionally, the LT3580 can be synchronized to an external clock. The free running or synchronized switching frequency range of the part can be set between 200kHz and 2.5MHz.

The LT3580 also features innovative SHDN pin circuitry that allows for slowly varying input signals and an adjustable undervoltage lockout function.

Additional features such as frequency foldback and soft-start are integrated. The LT3580 is available in tiny 3mm × 3mm 8-lead DFN and 8-lead MSOP packages.

LT3580 Datasheet Related Parts

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