LM3481 (ACTIVE)

High-Efficiency Controller for Boost, SEPIC and Flyback DC-DC Converters

 

Models (9)

Title Category Type Size (KB) Date Views
LM3481 Unencrypted PSpice Average Model PSpice Model ZIP 1 KB 04 May 2015 100 views
LM3481 Unencrypted PSpice Transient Model (Rev. A) PSpice Model ZIP 3 KB 22 Apr 2015 179 views
LM3481 PSpice Transient Model (Rev. B) PSpice Model ZIP 110 KB 22 Apr 2015 190 views
LM3481 PSpice Average Model PSpice Model ZIP 54 KB 25 Jan 2013 115 views
LM3481 TINA-TI Steady State Reference Design (Rev. B) TINA-TI Reference Design TSC 600 KB 27 Apr 2015 118 views
LM3481 TINA-TI Load Transient Reference Design (Rev. B) TINA-TI Reference Design TSC 600 KB 27 Apr 2015 137 views
LM3481 TINA-TI Average Reference Design TINA-TI Reference Design TSC 58 KB 21 Apr 2015 105 views
LM3481 TINA-TI Transient Spice Model (Rev. B) TINA-TI Spice Model ZIP 21 KB 27 Apr 2015 124 views
LM3481 TINA-TI Average Spice Model TINA-TI Spice Model ZIP 8 KB 21 Apr 2015 60 views

Design kits & evaluation modules (3)

Name Part# Type
High Efficiency Boost Switching Controller Eval Board with 12 Volt Output LM3481EVAL Evaluation Modules & Boards
Isolated Flyback Topology Evaluation Module for LM3481 Boost Controller LM3481-FLYBACKEVM Evaluation Modules & Boards
LM3481 SEPIC Evaluation Board LM3481SEPICEVAL Evaluation Modules & Boards

Reference designs

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TI Designs

Fully Autonomous Single Port Type 1 (15W) PoE PSE Reference Design

The PMP20981 reference design utilizes the TPS2384 PSE Power Manager to implement a single port Type 1 PoE PSE.  An isolated flyback converter, utilizing the LM3481 current mode PWM controller, accepts a 12Vdc input and provides a 48Vdc/360mA output source for the PSE.  This design is (...)

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Description Part Number Company Tool Type
24W Boost Converter Optimized for Low Profile/Small Area PMP7424 Texas Instruments Reference designs
330mW AC or DC Tiny Flyback Converter Power Supply Reference Design LM3481-REF Texas Instruments Reference designs
40W SEPIC Conv w/Coupled-Inductor Hi Efficiency Operating w/Automotive Input Range Reference Design PMP9184B Texas Instruments Reference designs
40W SEPIC Conv w/Dual-Inductor High Efficiency Operating w/Automotive Input Range Reference Design PMP9184C Texas Instruments Reference designs
6 to 16Vin 12V@4A Output Wide Vin SEPIC Converter Reference Design PMP9332 Texas Instruments Reference designs
9.5V @ 1.5A Automotive Boost Converter PMP8536 Texas Instruments Reference designs
Automotive Range SEPIC Converter Delivers 12V@1A Reference Design PMP8937 Texas Instruments Reference designs
Automotive Range SEPIC Converter Delivers 4.5V@5.5A Reference Design PMP8903 Texas Instruments Reference designs
Battery Powered Boost Converter Delivers 120Vdc @ 10mA Reference Design PMP8956 Texas Instruments Reference designs
Boost for Capacitor Charging with 48V @ 1A Peak Reference Design PMP8711 Texas Instruments Reference designs
Boost, 100.0V @ 10mA PMP7129 Texas Instruments Reference designs
Boost, 5.0V @ 0.9A PMP7185 Texas Instruments Reference designs
Sepic, 12.0-100.0V @ 10mA PMP7135 Texas Instruments Reference designs
Sepic, 6.0V @ 1.5A PMP7155 Texas Instruments Reference designs
Sepic, 7.8V @ 0.8A PMP7130 Texas Instruments Reference designs

Software (1)

Development tools (1)

Name Part# Type
Fly-Buck and Flyback Topology Selector FLYBUCK-FLYBACK-DESIGN-CALC Calculation Tools
New! Interactive Design
Click to instantly view a schematic, charts, Bill of Materials, and Operating Values.

WEBENCH® Designer LM3481

  Min   Max Range
Vin  V 2.97 to 48.0V
Vout  V 1.26 to 300.0V
Iout  A ≤ 40A
Ambient Temp  °C -40 to 125°C


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