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LM2576-5.0WU The Microchip Technology LM2576-5.0WU is a 5V fixed output, 3A buck switching regulator IC. It operates with an input voltage range of 4V to 40V and a switching frequency of 52kHz.
Mfr Part #:

LM2576-5.0WU

Available from 1 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology LM2576-5.0WU is a 5V fixed output, 3A buck switching regulator IC. It operates with an input voltage range of 4V to 40V and a switching frequency of 52kHz.
✓ Total Stock: 5,000 pcs
$ Price Range: $0.16

LM2576-5.0WU Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Risen Electronics ✓
Non-Authorised Inventory information
5,000 pcs
On Request
5000 pcs On Request 1 On Request On Request On Request On Request 2026-02-16 21:33:16
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LM2576-5.0WU 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 Current
Output Type
Output Voltage
SVHC Present
Supplier Device Package
Synchronous Rectifier
Tape & Reel
Topology
Voltage
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LM2576-5.0WU Description

Short technical summary and product information.

The LM2576-5.0WU from Microchip Technology is a monolithic integrated circuit designed for step-down (buck) switching regulator applications. This device provides a fixed 5V output voltage and can deliver up to 3A of load current. It features a wide input voltage range from 4V to 40V, making it suitable for various power supply designs.

 

The regulator operates at a fixed frequency of 52kHz, simplifying external component selection. It requires a minimal number of external components, including internal frequency compensation, which reduces design complexity. The LM2576 series is known for its high efficiency, offering a replacement for linear regulators and often eliminating the need for a heat sink.

 

This component is available in a TO-263-5 surface mount package, suitable for space-constrained applications. It includes essential protection features such as cycle-by-cycle current limiting and thermal shutdown for enhanced reliability under fault conditions. The LM2576-5.0WU is designed for applications requiring efficient power conversion and stable voltage regulation.

LM2576-5.0WU Quick Information

Product Type: Buck Switching Regulator IC
Canonical Name: LM2576-5.0WU Buck Switching Regulator IC
Subcategory: DC-DC Switching Regulator

LM2576-5.0WU Compliance

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

LM2576-5.0WU Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

LM2576-5.0WU Features

  • Fixed 5V output voltage.
  • Guaranteed 3A output current.
  • Wide 4V to 40V input voltage range.
  • 52kHz fixed internal oscillator.
  • TO-263-5 surface mount package.

LM2576-5.0WU Applications

  • Simple step-down voltage regulation.
  • Efficient pre-regulation for linear regulators.
  • On-card switching power supplies.
  • Power supplies for various electronic devices.

LM2576-5.0WU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM2576-5.0WU?

The output voltage is fixed at 5V.

What is the input voltage range?

The input voltage range is 4V to 40V.

What is the maximum output current?

The guaranteed output current is 3A.

What is the switching frequency?

The switching frequency is 52kHz.

What is the operating temperature range?

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

What package is the LM2576-5.0WU available in?

It is available in a TO-263-5 (D²Pak) surface mount package.

Is the LM2576-5.0WU a synchronous rectifier regulator?

No, it is a non-synchronous buck regulator.

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