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LM2575D2T-12R4G The ON Semiconductor LM2575D2T-12R4G is a fixed 12V output switching voltage regulator. It provides 1A of output current and operates at a 52kHz switching frequency.
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LM2575D2T-12R4G

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor LM2575D2T-12R4G is a fixed 12V output switching voltage regulator. It provides 1A of output current and operates at a 52kHz switching frequency.
✓ Total Stock: 4,556 pcs
$ Price Range: $0.16

LM2575D2T-12R4G Available from 2 distributors

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✓ Non-Authorised
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Flip Electronics ✓
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4,000 pcs
On Request
4000 pcs On Request 1 On Request On Request On Request On Request On Request
Seba Components ✓
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556 pcs
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556 pcs On Request 1 On Request On Request On Request On Request On Request
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LM2575D2T-12R4G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LM2575D2T-12R4G Description

Short technical summary and product information.

The ON Semiconductor LM2575D2T-12R4G is a monolithic integrated circuit designed for easy and convenient design of step-down (buck) switching regulators. This device is capable of driving a 1.0 A load with excellent line and load regulation.

 

Key electrical specifications include a fixed 12V output voltage, a maximum output current of 1A, and a wide input voltage range from 4.75V to 40V. It features a fixed internal oscillator operating at 52kHz, providing stable performance. The regulator includes cycle-by-cycle current limiting and thermal shutdown for protection under fault conditions.

 

This component is housed in a TO-263-6, D²Pak package, suitable for surface mounting. The operating temperature range is -40°C to 125°C (TJ). Its design minimizes external components, simplifying power supply design and offering high efficiency compared to linear regulators.

 

Applications include simple and high-efficiency step-down regulators. The LM2575 series is known for its ease of use and robust protection features, making it suitable for various power management applications.

LM2575D2T-12R4G Quick Information

Product Type: Switching Voltage Regulator
Series: LM2575
Canonical Name: LM2575D2T-12R4G Buck Switching Regulator IC, 12V, 1A
Subcategory: Switching Voltage Regulator

LM2575D2T-12R4G Compliance

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

LM2575D2T-12R4G Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

LM2575D2T-12R4G Features

  • Fixed 12V output voltage.
  • Guaranteed 1.0A output current.
  • Wide 4.75V to 40V input voltage range.
  • 52kHz fixed frequency oscillator.
  • TO-263-6 (D²Pak) surface mount package.

LM2575D2T-12R4G Applications

  • Easy to design step-down regulators.
  • High efficiency switch-mode power supplies.
  • Power management in various electronics.
  • On-card switching regulation.

LM2575D2T-12R4G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM2575D2T-12R4G?

The LM2575D2T-12R4G has a fixed output voltage of 12V.

What is the maximum output current?

The maximum output current is 1A.

What is the input voltage range?

The input voltage range is from 4.75V minimum to 40V maximum.

What is the operating temperature range?

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

What package does the LM2575D2T-12R4G come in?

It comes in a TO-263-6 (D²Pak) surface-mount package with 5 leads plus a tab, also known as D2PAK-5.

What is the switching frequency?

The switching frequency is 52kHz.

Is this a synchronous rectifier regulator?

No, this regulator does not use a synchronous rectifier.

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