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LM2575S-3.3 The Texas Instruments LM2575S-3.3 is a 1A step-down voltage regulator. It operates with an input voltage range of 4V to 40V and provides a fixed 3.3V output.
Mfr Part #:

LM2575S-3.3

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2575S-3.3 is a 1A step-down voltage regulator. It operates with an input voltage range of 4V to 40V and provides a fixed 3.3V output.
✓ Total Stock: 34 pcs
$ Price Range: $0.16

LM2575S-3.3 Available from 2 distributors

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✓ Non-Authorised
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29 pcs
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5 pcs
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LM2575S-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle
Features
Frequency
Function
Input Voltage
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Current
Output Type
Output Voltage
Supplier Device Package
Synchronous Rectifier
Topology
Voltage
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LM2575S-3.3 Description

Short technical summary and product information.

The Texas Instruments LM2575S-3.3 is a 1A SIMPLE SWITCHER step-down voltage regulator. It is designed for a wide input voltage range, typically from 4V up to 40V, and provides a fixed output voltage of 3.3V. This device features overcurrent protection and thermal shutdown for enhanced reliability.

 

With a fixed switching frequency of 52 kHz, the LM2575S-3.3 requires only a few external components, simplifying circuit design. It offers high efficiency and is suitable for use with readily available standard inductors. The regulator is available in a surface mount DDPAK/TO-263-5 package, making it suitable for various electronic applications.

 

Key electrical characteristics include a maximum output current of 1A and a typical quiescent current of 0.01A. The operating temperature range is -40°C to 125°C (TJ). The device also includes TTL shutdown capability for low power standby mode.

LM2575S-3.3 Quick Information

Product Type: DC DC Switching Regulator
Series: LM2575
Canonical Name: LM2575S-3.3 Step-Down Voltage Regulator
Subcategory: Voltage Regulators

LM2575S-3.3 Compliance

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

LM2575S-3.3 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

LM2575S-3.3 Features

  • 1A maximum output current.
  • Fixed 3.3V output voltage.
  • Wide 4V to 40V input voltage range.
  • Surface mount TO-263 package.
  • Includes overcurrent protection.

LM2575S-3.3 Applications

  • Simple high-efficiency step-down regulator designs.
  • Power supplies for industrial and consumer electronics.
  • Battery-powered equipment requiring low standby power.
  • Post-regulation for linear regulators.

LM2575S-3.3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output current of the LM2575S-3.3?

The LM2575S-3.3 provides a maximum output current of 1A.

What is the input voltage range for the LM2575S-3.3?

The input voltage range is 4V to 40V, with a maximum of 60V.

What is the operating temperature range of the LM2575S-3.3?

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

What package is the LM2575S-3.3 available in?

The LM2575S-3.3 is available in a surface-mount TO-263-6 (DDPAK/TO-263-5) package.

Does the LM2575S-3.3 include overcurrent protection?

Yes, the LM2575S-3.3 includes overcurrent protection and current limit protection.

What is the switching frequency of the LM2575S-3.3?

The switching frequency is fixed at 52 kHz.

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