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LM2576S-12 The Texas Instruments LM2576S-12 is a 3A step-down (buck) switching voltage regulator. It features a fixed 12V output and operates with an input voltage range of 4V to 40V.
Mfr Part #:

LM2576S-12

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2576S-12 is a 3A step-down (buck) switching voltage regulator. It features a fixed 12V output and operates with an input voltage range of 4V to 40V.
✓ Total Stock: 969 pcs
$ Price Range: $0.16

LM2576S-12 Available from 2 distributors

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Xingangxin ✓
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964 pcs
On Request
964 pcs On Request 1 On Request On Request On Request On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
5 pcs
On Request
5 pcs On Request 1 On Request On Request 07+G/ On Request On Request
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LM2576S-12 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 Current
Output Type
Output Voltage
Quiescent Current
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LM2576S-12 Description

Short technical summary and product information.

The Texas Instruments LM2576S-12 is an integrated circuit designed for step-down (buck) DC-DC conversion. It provides a fixed 12V output voltage and can deliver up to 3A of current. The device operates with a wide input voltage range, from a minimum of 4V up to a maximum of 40V.

 

This regulator utilizes a voltage mode control and operates at a fixed switching frequency of 52kHz. It includes features such as Enable and Over Current Protection. The typical quiescent current is 0.005A, with a maximum duty cycle of 98%.

 

The LM2576S-12 is available in a surface mount DDPAK/TO-263-5 package, suitable for applications requiring efficient power conversion. The operating temperature range is -40°C to 125°C (TJ). This component is part of the SIMPLE SWITCHER family, known for its low component count and ease of use in power supply designs.

LM2576S-12 Quick Information

Product Type: DC DC Switching Regulator
Series: LM2576
Canonical Name: Texas Instruments LM2576S-12 Step-Down Voltage Regulator
Subcategory: Voltage Regulators

LM2576S-12 Compliance

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

LM2576S-12 Estimated Pricing

Qty Low High
1+ $0.16 $0.16

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

LM2576S-12 Features

  • 3A output current capability.
  • Fixed 12V output voltage.
  • Wide 4V to 40V input voltage range.
  • 52kHz fixed switching frequency.
  • Surface mount TO-263-5 package.

LM2576S-12 Applications

  • Step-down power conversion.
  • On-board voltage regulation.
  • Power supply designs.
  • Low component count circuits.

LM2576S-12 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the output voltage of the LM2576S-12?

The output voltage is fixed at 12V.

What is the input voltage range of the LM2576S-12?

The input voltage range is 4V to 40V.

What is the maximum output current of the LM2576S-12?

The maximum output current is 3A.

What is the switching frequency of the LM2576S-12?

The switching frequency is 52kHz.

What is the operating temperature range of the LM2576S-12?

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

What package does the LM2576S-12 come in?

It is available in TO-263-6, D²Pak (5 Leads + Tab), and TO-263BA packages.

What control mode does the LM2576S-12 use?

It uses voltage mode control.

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