LMR14203
(ACTIVE) SIMPLE SWITCHER 42Vin, 0.3A Step-Down Voltage Regulator in SOT-23

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community
WEBENCH® LMR14203X
    Min   Max   Range  
  Vin V    4.50 – 42.00V  
  Vout V    0.77 – 40.00V  
  Iout A    ≤ 0.30A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 D1 L1 Cboot Rfb1 Rfb2 Cout Cin '
 
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
Not Available
LMR14203XMK/NOPB ACTIVE -40 to 125 0.90 | 1ku SOT (DDC) | 6 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
LMR14203XMKE/NOPB ACTIVE -40 to 125 1.04 | 1ku SOT (DDC) | 6 View 250 | SMALL T&R >5K 1k quantity lead time: In stock
Not Available
LMR14203XMKX/NOPB ACTIVE -40 to 125 0.90 | 1ku SOT (DDC) | 6 View 3000 | 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)

Title Type Size (KB) Date Views
PDF 837 04 Apr 2013

User Guides (1)

Title Abstract Type Size (KB) Date Views
PDF 1927 26 Apr 2013 1,719

Selection & Solution Guides (3)

Title Type Size (KB) Date Views
PDF 1800 11 Oct 2013 7,017
PDF 9158 11 Mar 2013 29,982
PDF 11357 19 Jun 2013 6,586

More Literature (1)

Title Type Size (KB) Date Views
PDF 573 29 Aug 2011 937

Tools & Software

Circuit Design & Simulation

WEBENCH® LMR14203X
    Min   Max   Range  
  Vin V    4.50 – 42.00V  
  Vout V    0.77 – 40.00V  
  Iout A    ≤ 0.30A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 D1 L1 Cboot Rfb1 Rfb2 Cout Cin '
 
What are WEBENCH® tools?

Models (2)

Title Category Type Size (KB) Date Views
LMR14203X PSpice Average Model PSpice Model ZIP 53 KB 01 Feb 2013 712 views
LMR14203X PSpice Transient Model PSpice Model ZIP 180 KB 01 Feb 2013 717 views

Design Kits & Evaluation Modules (1)

Name Part# Type
LMR14203 Simple Switcher® Small Footprint 42V Buck Regulator 300 mA Demo Board LMR14203XMKDEMO 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
Dual-Stage Triple-Output Buck Converter PMP7800.1 Texas Instruments Reference Designs

Related End Equipment

  • Point-of-Load Conversions from 5V, 12V, and 24V Rails
  • Space Constrained Applications
  • Battery Powered Equipment
  • Industrial Distributed Power Applications
  • Power Meters
  • Portable Hand-Held Instruments



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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