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LM2574M-ADJ The Texas Instruments LM2574M-ADJ is an adjustable 500mA buck converter. It operates with an input voltage range of 4V to 40V and features a fixed frequency of 52kHz.
Mfr Part #:

LM2574M-ADJ

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2574M-ADJ is an adjustable 500mA buck converter. It operates with an input voltage range of 4V to 40V and features a fixed frequency of 52kHz.
✓ Total Stock: 199 pcs
$ Price Range: $0.16

LM2574M-ADJ Available from 2 distributors

✓ Authorised
✓ Non-Authorised
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LM2574M-ADJ Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle
Features
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Synchronous Rectifier
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Voltage
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LM2574M-ADJ Description

Short technical summary and product information.

The Texas Instruments LM2574M-ADJ is a versatile buck converter designed for efficient DC-DC step-down voltage regulation. It can deliver up to 500mA of output current and accepts an input voltage ranging from 4V to 40V.

 

This device operates at a fixed frequency of 52kHz, simplifying filter design. Key electrical features include adjustable output voltage, overcurrent protection, and a TTL shutdown capability for low-power standby modes. The typical quiescent current is 5mA, with a maximum duty cycle of 98%.

 

Packaged in a 14-SOIC surface mount configuration, the LM2574M-ADJ is suitable for various applications requiring reliable power conversion. Its operating temperature range is -40°C to 125°C (TJ), making it robust for demanding environments. The converter utilizes voltage mode control and requires only a few external components for operation.

 

Designed for ease of use, this SIMPLE SWITCHER® regulator offers thermal shutdown and current-limit protection. It is an effective solution for power management in a wide array of electronic systems.

LM2574M-ADJ Quick Information

Product Type: Buck Converter
Series: LM2574
Canonical Name: Texas Instruments LM2574M-ADJ Adjustable 500mA Buck Converter
Subcategory: Buck Converter

LM2574M-ADJ Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM2574M-ADJ Estimated Pricing

Qty Low High
1+ $0.16 $0.16

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM2574M-ADJ Features

  • Adjustable 500mA buck converter.
  • Wide 4V to 40V input voltage range.
  • Fixed 52kHz switching frequency.
  • Surface mount 14-SOIC package.
  • Overcurrent and thermal shutdown protection.

LM2574M-ADJ Applications

  • Efficient DC-DC step-down conversion.
  • Power management in electronic systems.
  • Low-power standby mode applications.
  • Requires minimal external components.

LM2574M-ADJ FAQs

7 frequently asked questions generated from this part’s specifications.
What is the input voltage range of the LM2574M-ADJ?

The input voltage range is 4V to 40V.

What is the output current capability?

The maximum output current is 500mA.

What is the operating temperature range?

The operating junction temperature range is -40°C to 125°C.

What package is the LM2574M-ADJ available in?

It is available in a 14-SOIC surface-mount package.

What is the switching frequency?

The switching frequency is 52kHz.

Is the output voltage adjustable?

Yes, the output voltage is adjustable from 1.23V to 37V.

What protection features does it have?

It includes overcurrent protection and an enable pin.

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