LM3671
(ACTIVE) 2MHz, 600mA Step-Down DC-DC Converter

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2MHz, 600mA Step-Down DC-DC Converter - LM3671

Datasheet

WEBENCH® LM3671
    Min   Max   Range  
  Vin – V    2.50 – 5.50V  
  Vout V    1.10 – 3.30V  
  Iout A    ≤ 0.60A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 L1 Cout Cin R1 R2 C1 '
 
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
LM3671LC-1.2/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 1000 | SMALL T&R 1K - 5K 1k quantity lead time: In stock
LM3671LC-1.3/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 1000 | SMALL T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM3671LC-1.6/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 1000 | SMALL T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM3671LC-1.8/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 1000 | SMALL T&R 948 For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671LCX-1.2/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 4500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671LCX-1.3/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 4500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671LCX-1.6/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 4500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671LCX-1.8/NOPB ACTIVE   0.30 | 1ku USON (NKH) | 6 View 4500 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MF-1.2 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-1.2/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-1.25 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-1.25/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-1.375 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Contact Distributor LM3671MF-1.375/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM3671MF-1.5 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   127 For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-1.5/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-1.6 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM3671MF-1.6/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-1.8 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-1.8/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM3671MF-1.875 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   1K - 5K 1k quantity lead time: In stock
LM3671MF-1.875/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 1K - 5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-2.5 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-2.5/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-2.8 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-2.8/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MF-3.3 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-3.3/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM3671MF-ADJ ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM3671MF-ADJ/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MFX-1.2 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM3671MFX-1.2/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671MFX-1.25 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.25/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.375 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.375/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.5 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.5/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.6 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.6/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.8 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.8/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.875 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-1.875/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-2.5 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-2.5/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-2.8 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-2.8/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-3.3 ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-3.3/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-ADJ ACTIVE -30 to 85 0.36 | 1ku SOT-23 (DBV) | 5 View   No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671MFX-ADJ/NOPB ACTIVE -30 to 85 0.30 | 1ku SOT-23 (DBV) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671TL-1.2/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R >5K 1k quantity lead time: In stock
LM3671TL-1.5/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM3671TL-1.8/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM3671TL-1.875/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 500 For lead times contact TI Authorized Distributor or local TI sales office
LM3671TL-2.5/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Contact Distributor LM3671TL-2.8/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM3671TL-3.3/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM3671TL-ADJ/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 250 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM3671TLX-1.2/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671TLX-1.5/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM3671TLX-1.8/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM3671TLX-1.875/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671TLX-2.5/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available Contact Distributor LM3671TLX-2.8/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM3671TLX-3.3/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM3671TLX-ADJ/NOPB ACTIVE -30 to 85 0.30 | 1ku DSBGA (YZR) | 5 View 3000 | 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
LM2651   1.5A High Efficiency Switching Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    1.5A Output Current  
LM2734   Thin SOT23 1A Load Step-Down DC-DC Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    1A Output Current, Wider Vin Range, SOT-23  
LM2734-Q1   Thin SOT23 1A Load Step-Down DC-DC Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    1A Output Current, Wider Vin Range, SOT-23  
LM3670   Miniature Step-Down DC-DC Converter for Ultra Low Voltage Circuits   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    1 MHz Switching Frequency, 350mA Output Current  
LM3671-Q1   2MHz, 600mA Step-Down DC-DC Converter   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER   The device has SIMILAR FUNCTIONALITY but is not functionally equivalent to the compared device.  
LM3674   2MHz, 600mA Step-Down DC-DC Converter in SOT 23-5   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    With PWM Only Mode  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 6809 02 May 2013

User Guides (1)

Title Abstract Type Size (KB) Date Views
PDF 2716 30 Apr 2013 1,983

Selection & Solution Guides (1)

Title Type Size (KB) Date Views
PDF 9158 11 Mar 2013 40,553

More Literature (1)

Title Type Size (KB) Date Views
PDF 164 27 Aug 2013 3,739

External Articles (1)

Title Date
Optimize RF PA Efficiency to Increase Your Handset's Talk-time 24 Jan 2012

Tools & Software

Circuit Design & Simulation

WEBENCH® LM3671
    Min   Max   Range  
  Vin – V    2.50 – 5.50V  
  Vout V    1.10 – 3.30V  
  Iout A    ≤ 0.60A  
  Ambient Temp °C    ≤ 100°C  
Footprint BOM Cost Efficiency
 
 
 
'U1 L1 Cout Cin R1 R2 C1 '
 
What are WEBENCH® tools?

Models (2)

Title Category Type Size (KB) Date Views
LM3671 TINA-TI Transient Reference Design TINA-TI Reference Design TSC 121 KB 27 Nov 2012 53 views
LM3671 TINA-TI Transient Spice Model TINA-TI Spice Model ZIP 10 KB 27 Nov 2012 362 views

Design Kits & Evaluation Modules (5)

Name Part# Type
2MHz, 600mA Step-Down DC-DC Converter in SOT23-5 and 5-Bump Micro SMD LM3671MF-1.5EV Evaluation Modules & Boards
2MHz, 600mA Step-Down DC-DC Converter in SOT23-5 and 5-Bump Micro SMD LM3671MF-1.8EV Evaluation Modules & Boards
2MHz, 600mA Step-Down DC-DC Converter in SOT23-5 and 5-Bump Micro SMD LM3671TL-1.8EV Evaluation Modules & Boards
LM3671LC-1.6 Evaluation Board LM3671LC-1.6EV Evaluation Modules & Boards
LM3671TL-1.5 Evaluation Board LM3671TL-1.5EV Evaluation Modules & Boards

Development Tools (1)

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

Related End Equipment

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  • Automotive



Support & Community


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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  
WEBENCH Power Supply Design Seminar
Designing stable power supplies is extremely easy using WEBENCH Design tools. 		1-Day Workshops   Mon, 07 Oct 2013 - Thu, 10 Oct 2013  
Technology Days 2013
See the latest cutting-edge analog and digital technologies across a wide range of applications. 		1-Day Workshops   Thu, 10 Oct 2013 - Thu, 07 Nov 2013  
Telehealth: Trends, Challenges and Solutions
This session will present the overview of telehealth systems and relevant technologies. 		On-Line Training   On Demand  
IP Network Camera Analog Solutions Overview
This session discusses system-level solutions for IP Camera and DVR/DVS. 		On-Line Training   On Demand  
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