LM27403
(ACTIVE) High Performance Synchronous Buck Controller with Temperature-Compensated DCR Current Sensing

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community
WEBENCH® LM27403
    Min   Max   Range  
  Vin V    3.00 – 20.00V  
  Vout V    0.60 – 18.60V  
  Iout A    ≤ 40A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
##TOPVIEWARRAY##
 
What are WEBENCH® tools?

Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
LM27403SQ/NOPB ACTIVE -40 to 125 1.20 | 1ku WQFN (RTW) | 24 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM27403SQE/NOPB ACTIVE -40 to 125 1.38 | 1ku WQFN (RTW) | 24 View 250 | SMALL T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM27403SQX/NOPB ACTIVE -40 to 125 1.20 | 1ku WQFN (RTW) | 24 View 4500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Technical Documents

Datasheet (1)

User Guides (2)

Selection & Solution Guides (1)

Title Type Size (KB) Date Views
PDF 141 04 Feb 2014 1,149

External Articles (7)

Tools & Software

Circuit Design & Simulation

WEBENCH® LM27403
    Min   Max   Range  
  Vin V    3.00 – 20.00V  
  Vout V    0.60 – 18.60V  
  Iout A    ≤ 40A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
##TOPVIEWARRAY##
 
What are WEBENCH® tools?

Models (1)

Title Category Type Size (KB) Date Views
LM27403 PSpice Transient Model (Rev. B) PSpice Model ZIP 150 KB 04 Oct 2013 888 views

Design Kits & Evaluation Modules (2)

Name Part# Type
Evaluation Module - LM27403 600kHz High Power Density POL LM27403EVM-POL600 Evaluation Modules & Boards
LM27403 High Efficiency 12V to 1.2V/25A Buck Eval Kit With Temp Compensated DCR Current Sensing LM27403EVM Evaluation Modules & Boards

Software (1)

LM27403 PWM Regulator Design Tool 
(ZIP 2613 KB )    1,243 views, 16 Aug 2013  

Development Tools (1)

Name Part# Type
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation
Description Part Number Company Tool Type
10.8Vin to 13.2Vin; 0.9Vout @ 30A; Non-Isolated Synchronous Buck Converter PMP7996 Texas Instruments Reference Designs
4.5Vin to 20Vin; 1.8Vout @ 30A; 15mm x 20mm Synchronous Buck Converter PMP9254 Texas Instruments Reference Designs

Related End Equipment

  • DC-DC Converters
  • High Power Density POL Modules
  • Telecommunications Infrastructure
  • Embedded Computing, Servers, Storage



Support & Community


TI E2E™ Community

TI E2E Community

As a member of my.TI you can join the TI E2E™ Community where you can ask questions, share ideas and collaborate with fellow engineers and TI experts

Contents are provided "AS IS" by the respective TI and Community contributors and do not constitute TI specifications. See Terms of Use.

Training & Events

Name Type Available During
Survey of Control Topologies for TPS and LM Non-Isolated DC/DC Controllers
This presentation will illustrate and survey each control mode’s operation and switching characteristics.
On-Line Training   On Demand  
Digital Power Supply Design Workshop
Do you want to reduce your development time of digital power supplies or code a digital controller?
Multi-Day Workshops   Tue, 06 May 2014 - Thu, 08 May 2014  
High Current Battery Charger Solutions for Portable Devices
This video is a must see for anyone involved with the design in of a battery charger for a high current portable device.
On-Line Training   On Demand  
Wireless Power Tx Design
If you have difficulty in designing Wireless Power Transmitters, this video will provide you with a lot of tips for doing it.
On-Line Training   On Demand  
PCB Layout Guidelines for Fuel Gauge Design
The pack designer must take care to design the hardware to protect the pack in the conditions where it will be used.
On-Line Training   On Demand  
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