LM2574
(ACTIVE) SIMPLE SWITCHER 0.5A Step-Down Voltage Regulator

Description &
Features
Sample &
Buy
Technical
Documents
Tools &
Software
Support & Community

Device Uses

  • Simple High-Efficiency Step-Down (Buck) Regulator
  • Efficient Pre-Regulator for Linear Regulators
  • On-Card Switching Regulators
  • Positive to Negative Converter (Buck-Boost)


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
Not Available Contact Distributor LM2574M-12 ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2574M-12/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM2574M-3.3 ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE No Stock For lead times contact TI Authorized Distributor or local TI sales office
LM2574M-3.3/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM2574M-5.0 ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE 1K - 5K 1k quantity lead time: In stock
LM2574M-5.0/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM2574M-ADJ ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
LM2574M-ADJ/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 50 | TUBE >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM2574MX-12 ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2574MX-12/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM2574MX-3.3 ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2574MX-3.3/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available Contact Distributor LM2574MX-5.0 ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R No Stock For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2574MX-5.0/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM2574MX-ADJ ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R 1K - 5K 1k quantity lead time: In stock
Not Available
LM2574MX-ADJ/NOPB ACTIVE -40 to 125 0.79 | 1ku SOIC (NPA) | 14 View 1000 | LARGE T&R >5K 1k quantity lead time: In stock
Not Available
LM2574N-12 ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE 379 For lead times contact TI Authorized Distributor or local TI sales office
LM2574N-12/NOPB ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE 1K - 5K 1k quantity lead time: In stock
Not Available
LM2574N-3.3 ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE 903 For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2574N-3.3/NOPB ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE 1K - 5K For lead times contact TI Authorized Distributor or local TI sales office
Not Available
LM2574N-5.0 ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE 821 For lead times contact TI Authorized Distributor or local TI sales office
LM2574N-5.0/NOPB ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE >5K 1k quantity lead time: In stock
Not Available
LM2574N-ADJ ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE 763 For lead times contact TI Authorized Distributor or local TI sales office
LM2574N-ADJ/NOPB ACTIVE -40 to 125 0.76 | 1ku PDIP (P) | 8 View 40 | TUBE >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.

Related Products

Part # Name Product Family Comments
LM25007   42V, 0.5A Step-Down Switching Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    Better Transient Response , Wider Switching Frequency Range  
LM25574   SIMPLE SWITCHER® 42V, 0.5A Step-Down Switching Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    42V Vin, .5A Iout, Selectable Switching Frequency  
LM25574-Q1   SIMPLE SWITCHER® 42V, 0.5A Step-Down Switching Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    42V Vin, .5A Iout, Selectable Switching Frequency  
LM2594   SIMPLE SWITCHER Power Converter 150 KHz 0.5A Step-Down Voltage Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    150Khz, Smaller Inductor  
LM2671   SIMPLE SWITCHER Power Converter High Efficiency 500mA Step-Down Voltage Regulator with Features   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    260 - 400 Khz, Sync Frequency  
LM2694   30V, 600 mA Step Down Switching Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    Better Transient Response , Wider Switching Frequency Range  
LM2736   Thin SOT23 750mA Load Step-Down DC-DC Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    750mA, SOT23, 500Khz - 3Mhz FSW  
LM5007   High Voltage (80V) Step Down Switching Regulator   CONVERTER (INTEGRATED SWITCH) - STEP-DOWN (BUCK) CONVERTER    0.5A, 80V Vin, 50Khz - 800Khz FSW  

Technical Documents

Datasheet (1)

Title Type Size (KB) Date Views
PDF 2687 03 Apr 2013

Application Notes (1)

Title Abstract Type Size (KB) Date Views
PDF 61 21 Mar 2007 1,528

Tools & Software

Software (1)

Name Part# Type
Switchers Made Simple SWITCHERSMADESIMPLE-SW Software & Tools

Development Tools (1)

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

Support & Community


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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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