Products > Integrated Circuits (ICs) > Power Management ICs > LT3580MPMS8E#TRPBF

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Boost/Inverting DC-DC Converter with 2A Switch, Soft-Start, and Synchronization

  • Package/Case :
  • MSOP8
  • Product Categories :
  • DC-DC Converters
  • RoHs Status:
  • Pb-free Halide free
  • In-stock:
  • 520


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LT3580MPMS8E#TRPBF Product Details

The LT3580MPMS8E#TRPBF is a PWM DC/DC converter containing an internal 2A, 42V switch. The LT3580MPMS8E#TRPBF 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 LT3580MPMS8E#TRPBF is ideal for many local power supply designs.

The LT3580MPMS8E#TRPBF has an adjustable oscillator, set by a resistor from the RT pin to ground. Additionally, the LT3580MPMS8E#TRPBF 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 LT3580MPMS8E#TRPBF 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 LT3580MPMS8E#TRPBF is available in tiny 3mm × 3mm 8-lead DFN and 8-lead MSOP packages.



  • 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


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

(Picture: Pinout)

LT3580MPMS8E#TRPBF Block Diagram
(Picture: Diagram)

Technical Parameters

  • Function
  • Step-Up, Step-Up/Step-Down
  • Output Configuration
  • Positive or Negative
  • Topology
  • Boost, Cuk, SEPIC
  • Output Type
  • Adjustable
  • Number of Outputs
  • 1
  • Voltage Input (Min)
  • 2.5V
  • Voltage Input (Max)
  • 32V
  • Voltage Output (Min/Fixed)
  • 5V
  • Voltage Output (Max)
  • 42V (Switch)
  • Current Output
  • 2A (Switch)
  • Frequency Switching
  • 200kHz ~ 2MHz
  • Synchronous Rectifier
  • No
  • Operating Temperature
  • -55??C ~ 125??C (TJ)
  • Mounting Type
  • Surface Mount
  • Package / Case
  • 8-TSSOP, 8-MSOP (0.118, 3.00mm Width) Exposed Pad
  • Supplier Device Package
  • 8-MSOP-EP

LT3580MPMS8E#TRPBF Documents

  • LT3580 Technical Documentation/Data sheet

LT3580MPMS8E#TRPBF Related Products

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Analog Devices, Inc

Analog Devices, Inc. was founded by two MIT graduates, Ray Stata and Matthew Lorber in 1965. The same year, the company released its first product, the model 101 op amp, which was a hockey-puck sized module used in test and measurement equipment. In 1967, the company published the first issue of its...
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