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LM2576SX-3.3 The Texas Instruments LM2576SX-3.3 is a 3.3V fixed output voltage, 3A step-down DC DC switching regulator. It is designed for ease of use and requires minimal external components.
Mfr Part #:

LM2576SX-3.3

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2576SX-3.3 is a 3.3V fixed output voltage, 3A step-down DC DC switching regulator. It is designed for ease of use and requires minimal external components.
✓ Total Stock: 2,440 pcs
$ Price Range: $0.16

LM2576SX-3.3 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
Non-Authorised Inventory information
1,803 pcs
On Request
1803 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
637 pcs
On Request
637 pcs On Request 1 On Request On Request On Request On Request On Request
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LM2576SX-3.3 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Duty Cycle (Max)
Features
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Output Voltage
SVHC Present
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LM2576SX-3.3 Description

Short technical summary and product information.

The LM2576SX-3.3 from Texas Instruments is a versatile step-down (buck) switching regulator. It provides a fixed 3.3V output voltage with a maximum output current of 3A.

 

This regulator operates with an input voltage range up to 40V and features a fixed switching frequency of 52kHz. It includes essential features like over-current protection and an enable function, simplifying circuit design. The device is housed in a TO-263-5 (DDPAK/TO-263-5) surface-mount package, suitable for various electronic applications.

 

Designed for low component count, the LM2576SX-3.3 is an efficient solution for power management in a wide array of electronic systems. Its robust design and fixed output voltage make it a reliable choice for applications requiring stable power conversion.

LM2576SX-3.3 Quick Information

Product Type: DC DC Switching Regulator
Canonical Name: LM2576SX-3.3 Step-Down Voltage Regulator
Subcategory: Step-Down Voltage Regulator

LM2576SX-3.3 Compliance

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

LM2576SX-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.

LM2576SX-3.3 Features

  • Fixed 3.3V output voltage.
  • Maximum output current of 3A.
  • Wide input voltage range up to 40V.
  • Surface mount TO-263-5 package.
  • Fixed 52kHz switching frequency.

LM2576SX-3.3 Applications

  • Powering electronic systems.
  • Voltage regulation circuits.
  • DC to DC power conversion.
  • Embedded system power supplies.

LM2576SX-3.3 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM2576SX-3.3?

The LM2576SX-3.3 provides a fixed output voltage of 3.3V.

What is the maximum output current for the LM2576SX-3.3?

The LM2576SX-3.3 can deliver a maximum output current of 3A.

What is the input voltage range for the LM2576SX-3.3?

The input voltage range for the LM2576SX-3.3 is from 4V to 40V.

What is the operating temperature range of the LM2576SX-3.3?

The operating temperature range for the LM2576SX-3.3 is -40°C to 125°C (TJ).

What package type is the LM2576SX-3.3 available in?

The LM2576SX-3.3 is available in a TO-263-5 (DDPAK/TO-263-5) surface mount package.

What is the switching frequency of the LM2576SX-3.3?

The LM2576SX-3.3 has a fixed switching frequency of 52kHz.

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