LM3478
(ACTIVE) 40V Wide Vin Low-Side N-Channel Controller for Switching Regulator

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community
WEBENCH® LM3478
    Min   Max   Range  
  Vin V    2.97 – 40.00V  
  Vout V    1.26 – 300.00V  
  Iout A    ≤ 20.00A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 Rfb1 Rfb2 D1 M1 Rfadj L1 Rs1 Rsense Csense Cbyp Cin Cout Rcomp Ccomp Ccomp2 '
 
What are WEBENCH® tools?

Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Replaced By Temp (oC) Price | QTY Package | Pins Device Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
LM3478MA/NOPB ACTIVE     0.96 | 1ku SOIC (D) | 8 View 95 | TUBE 1K - 5K 1k quantity lead time: In stock
LM3478MAX/NOPB ACTIVE     0.80 | 1ku SOIC (D) | 8 View 2500 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM3478MM NRND LM3478MM/NOPB -40 to 125 1.13 | 1ku VSSOP (DGK) | 8 View 1000 | SMALL T&R >5K For lead times contact TI Authorized Distributor or local TI sales office
LM3478MM/NOPB ACTIVE   -40 to 125 0.80 | 1ku VSSOP (DGK) | 8 View 1000 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
LM3478MMX/NOPB ACTIVE   -40 to 125 0.80 | 1ku VSSOP (DGK) | 8 View 3500 | LARGE T&R >5K 1k quantity lead time: In stock

* 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 (1)

Title Abstract Type Size (KB) Date Views
PDF 1935 30 Oct 2013 1,879

Selection & Solution Guides (2)

Title Type Size (KB) Date Views
PDF 1800 11 Oct 2013 7,151
PDF 9158 11 Mar 2013 28,459

More Literature (1)

Title Type Size (KB) Date Views
PDF 146 25 Sep 2012 640

External Articles (1)

Tools & Software

Circuit Design & Simulation

WEBENCH® LM3478
    Min   Max   Range  
  Vin V    2.97 – 40.00V  
  Vout V    1.26 – 300.00V  
  Iout A    ≤ 20.00A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 Rfb1 Rfb2 D1 M1 Rfadj L1 Rs1 Rsense Csense Cbyp Cin Cout Rcomp Ccomp Ccomp2 '
 
What are WEBENCH® tools?

Design Kits & Evaluation Modules (1)

Name Part# Type
High Efficiency Low-Side N-Channel Controller for Switching Regulator LM3478EVAL Evaluation Modules & Boards

Development Tools (1)

Name Part# Type
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

Reference Designs

Description Part Number Company Tool Type
3 LED Driver PMP7866 Texas Instruments Reference Designs

Related End Equipment

  • Distributed Power Systems
  • Battery Chargers
  • Offline Power Supplies
  • Telecom Power Supplies
  • Automotive Power Systems

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Support & Community


TI E2E™ Community

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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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