LM20144
(ACTIVE) 4A, PowerWise Adjustable Frequency Synchronous Buck Regulator

Description &
Features
 Sample &
Buy
 Technical
Documents
 Tools &
Software
 Support & Community
4A, PowerWise Adjustable Frequency Synchronous Buck Regulator - LM20144

Datasheet

Device Uses

  • Simple to Design, High Efficiency Point of Load Regulation from a 5V or 3.3V Bus
  • High Performance DSPs, FPGAs, ASICs and Microprocessors
  • Broadband, Networking and Optical Communications Infrastructure

WEBENCH® LM20144
    Min   Max   Range  
  Vin – V    2.95 – 5.50V  
  Vout V    0.80 – 4.00V  
  Iout A    ≤ 4.00A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
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What are WEBENCH® tools?

Sample & Buy

Free Samples Buy from Authorized Distributors Part # Status Temp (oC) Price | QTY Package | Pins Top Side Marking Package QTY | Carrier Distributor Inventory TI 1k Lead Time
LM20144MH/NOPB ACTIVE -40 to 125 1.50 | 1ku HTSSOP (PWP) | 16 View 92 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM20144MHE/NOPB ACTIVE -40 to 125 1.50 | 1ku HTSSOP (PWP) | 16 View 250 | SMALL T&R 500 For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM20144MHX/NOPB ACTIVE -40 to 125 1.50 | 1ku HTSSOP (PWP) | 16 View 2500 | 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.

Related Products

Part # Name Product Family Comments
LM20123   3A, 1.5MHz PowerWise Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    3A, 1.5 MHz Switching Frequency  
LM20124   4A, 1MHz PowerWise Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    4A, 1 MHz Switching Frequency  
LM20125   5A, 500kHz PowerWise Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    5A, 500 KHz Switching Frequency  
LM20144-Q1   4A, PowerWise Adjustable Frequency Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  
LM20133   3A, PowerWise Synchronous Buck Regulator with Input Synchronization   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    3A, Input Synchronization (500 KHz - 1.5 MHz)  
LM20134   4A, PowerWise Synchronous Buck Regulator with Input Synchronization   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    4A, Input Synchronization (500 KHz - 1.5 MHz)  
LM20143   3A, PowerWise Adjustable Frequency Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    3A, Adjustable Frequency (500 KHz - 1.5 MHz)  
LM20143-Q1   3A, PowerWise Adjustable Frequency Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    3A, Adjustable Frequency (500 KHz - 1.5 MHz)  
LM20145   5A, PowerWise Adjustable Frequency Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    5A, Adjustable Frequency (250 KHz - 750 KHz)  
LM20145-Q1   5A, PowerWise Adjustable Frequency Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    5A, Adjustable Frequency (250 KHz - 750 KHz)  
LM20154   4A, 1MHz Synchronous Buck Regulator with SYNCOUT   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    4A, SYNCOUT  
LM20242   36V, 2A PowerWise Adjustable Frequency Synchronous Buck Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    36V, 2A Adjustable Frequency (250 KHz - 750 KHz)  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 1372 27 Mar 2013

Application Notes (2)

Title Abstract Type Size (KB) Date Views
PDF 1297 03 May 2013 571
PDF 215 03 May 2013 572

User Guides (1)

Title Abstract Type Size (KB) Date Views
PDF 523 05 May 2013 997

Selection & Solution Guides (1)

Title Type Size (KB) Date Views
PDF 9158 11 Mar 2013 31,158

Tools & Software

Circuit Design & Simulation

WEBENCH® LM20144
    Min   Max   Range  
  Vin – V    2.95 – 5.50V  
  Vout V    0.80 – 4.00V  
  Iout A    ≤ 4.00A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 Rt Css Cext Ravin Cavin Rpg L1 Rfb1 Rfb2 Cout Cin Ccomp Rcomp '
 
What are WEBENCH® tools?

Design Kits & Evaluation Modules (1)

Name Part# Type
4A, PowerWise® Adjustable Frequency Synchronous Buck Regulator LM20144EVAL Evaluation Modules & Boards

Development Tools (2)

Name Part# Type
LM20144 Design Spreadsheet LM20144DESIGN-CALC Calculation Tools
Power Stage Designer of Most Commonly Used Switchmode Power Supplies POWERSTAGE-DESIGNER Circuit Design & Simulation

Support & Community


TI E2E™ 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
Multi-Day PFC Design Workshop (Analog & Digital) sponsored by Biricha Digital Power Ltd. In-Person   15 Mar 2014  -  22 Mar 2014  
In-depth PFC Design Workshop In-Person   12 Nov 2013  -  14 Nov 2013  
Digital Power Multi-Day Workshop In-Person   05 Nov 2013  -  07 Nov 2013  
Optimizing Efficiency of Switching Mode Chargers Recorded Content   On Demand  
Single Cell Gauging 101 - Part 2: Classic Fuel Gauging Approaches Recorded Content   On Demand  


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