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header-product Step-down Switching Regulator Texas Instruments LM2574 M-ADJ — Adj. Output 1.2–37 V, Input 4–40 V, SO-14
13.99 €

Step-down Switching Regulator Texas Instruments LM2574 M-ADJ — Adj. Output 1.2–37 V, Input 4–40 V, SO-14

Texas Instruments LM2574 M-ADJ step-down regulator Photo 1
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Step-down Switching Regulator Texas Instruments LM2574 M-ADJ — Adj. Output 1.2–37 V, Input 4–40 V, SO-14

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Step-down Switching Regulator Texas Instruments LM2574 M-ADJ — Adj. Output 1.2–37 V, Input 4–40 V, SO-14

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Short description

LM2574 M-ADJ is a Texas Instruments step-down (buck) switching regulator in SO-14 package with adjustable output. It accepts input voltages from 4 to 40 V and provides an adjustable output range of 1.2 to 37 V. Designed for DC–DC conversion, the IC suits power-supply designs for embedded systems, industrial electronics and battery-powered devices requiring regulated stepped-down voltages.
Available for order: 2 pcs.
Warranty: 2 Years
SKU: 12224433
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1.89 €

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Product information

Description

The LM2574 M-ADJ from Texas Instruments is a step-down (buck) switching regulator in an SO-14 package with an adjustable output. It accepts input voltages from 4 V to 40 V and provides an adjustable output within the range of 1.2 V to 37 V. The device is intended for DC–DC conversion tasks where a compact, efficient regulator with adjustable output is required, including in embedded systems, industrial electronics and battery-powered equipment.

Advantages

The regulator offers wide input and output ranges enabling flexible use across multiple applications. Its switching architecture improves conversion efficiency compared with linear regulators, reducing heat dissipation and allowing smaller external components. The SO-14 package supports through-hole or hybrid PCB mounting and facilitates straightforward board-level integration. The adjustable output lets designers set the required regulated voltage without needing multiple fixed-voltage parts.

Suitable for

  • Embedded system power supplies and microcontroller boards
  • Industrial control modules and instrumentation
  • Battery-powered devices and portable equipment
  • Power rails that require adjustable regulated voltages for sensors or actuators

Key specifications

  • Input voltage range: 4 V to 40 V
  • Adjustable output voltage range: 1.2 V to 37 V
  • Topology: Step-down (buck) switching regulator
  • Package type: SO-14
  • Intended use: DC–DC conversion for regulated outputs

How to use

Install the LM2574 M-ADJ on the PCB following recommended footprint and pin connections for the SO-14 package. Provide input decoupling and an appropriately rated inductor and output capacitor as specified in the device application notes to ensure stable regulation and low output ripple. Use the external resistor network on the feedback pin to set the desired output voltage within the 1.2 V to 37 V range, and add any required compensation or snubber components per design guidelines. Ensure the input source can supply sufficient current for the load plus switching losses and that thermal considerations are addressed via PCB copper areas or a heatsink if necessary.

Usage recommendations

Follow Texas Instruments' published application circuits and layout recommendations to minimize switching noise and ensure reliable operation. Choose components (inductor, diode, capacitors) that meet the current and voltage ratings for the intended load and operating conditions, and verify thermal performance under maximum load to prevent overheating.

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How much does the Texas Instruments LM2574 M-ADJ step-down regulator cost, and is it available for purchase?

The price is 13.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 2 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 23.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

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What is the warranty period?

All texas instruments products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized texas instruments service centers and through AiO.lv

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