LM2575T-12/NOPBIn StockTexas Instruments

LM2575T-12/NOPB is a 1A step-down (buck) switching voltage regulator from Texas Instruments, delivering a fixed 12V output with up to 40V input range and pulse-width modulation control. From $2.22, in stock worldwide shipping.

ACTIVEIntegrated CircuitVerified Apr 2026
Package / Visual Reference
LM2575T-12/NOPBOther
Quick Facts
Manufacturer
Texas Instruments
Package
Other
Pin Count
3
Lifecycle
ACTIVE
Category
Integrated Circuit
Price
From $2.2200(MOQ 1)
Temp Range
-40.0°C to 125.0°C
RoHS
Compliant
Lead Time
3–7 business days
Shipping
DHL Express · Worldwide

Key Features

  • Fixed 12V output with ±4% accuracy across line, load, and temperature variations
  • Wide input voltage range from 4V to 40V suits diverse power supply designs
  • 1A output current with only 5-pin TO-220 package for easy through-hole mounting
  • Voltage-mode PWM control with buck-boost switcher configuration support
  • Pb-free (NOPB) RoHS-compliant packaging for green design requirements

Applications

The LM2575T-12/NOPB is ideal for industrial power supplies, automotive electronics, and embedded systems requiring a stable 12V rail from higher-voltage sources. It suits battery-powered equipment, LED driver circuits, and telecom equipment where efficient step-down conversion is critical. Its simple external component requirements also make it popular in consumer electronics and DIY power supply designs.

Specifications

Pbfree CodeYes
YTEOL15
Additional FeatureALSO OPERATES IN BUCK BOOST SWITCHER CONFIGURATION
Analog IC - Other TypeSWITCHING REGULATOR
Control ModeVOLTAGE-MODE
Control TechniquePULSE WIDTH MODULATION
Input Voltage-Max40V
Input Voltage-Min4V
Input Voltage-Nom25V
JESD-30 CodeR-PSFM-T5
JESD-609 Codee3
Number of Functions1
Number of Outputs1
Output Current-Max1A
Output Voltage-Max37V
Output Voltage-Min3.3V
Output Voltage-Nom12V
Package Body MaterialPLASTIC/EPOXY
Package ShapeRECTANGULAR
Package StyleFLANGE MOUNT
Surface MountNO
Switcher ConfigurationBUCK
Switching Frequency-Max63kHz
Temperature GradeAUTOMOTIVE
Terminal FinishMatte Tin (Sn)
Terminal FormTHROUGH-HOLE
Terminal Pitch1.7mm
Terminal PositionSINGLE
## LM2575T-12/NOPB Alternates Showing resultsImage
PackageOther

Compliance & Regulatory

RoHS StatusCompliant
Lead-FreeYes (Pb-Free)
Moisture Sensitivity LevelMSL 1
ECCNEAR99
HTS Code8542.39.00.90

Datasheet

LM2575T-12/NOPB Datasheet Download

Official datasheet from Texas Instruments

Alternate & Equivalent Parts

No known alternates. Submit an RFQ and our team can suggest alternatives.

Frequently Asked Questions

What is the input voltage range of the LM2575T-12/NOPB?

The LM2575T-12/NOPB accepts an input voltage range of 4V to 40V (nominal 25V), making it suitable for a wide variety of power supply applications including automotive and industrial systems that operate above 12V.

What output current and voltage does the LM2575T-12/NOPB provide?

This device provides a fixed 12V regulated output at up to 1A continuous output current. It uses voltage-mode PWM control to maintain tight output regulation of ±4% across line, load, and temperature conditions.

What package does the LM2575T-12/NOPB come in and is it RoHS compliant?

The LM2575T-12/NOPB comes in a 5-pin TO-220 through-hole package, which simplifies PCB assembly and heat sinking. It carries the NOPB (No Lead) designation, confirming Pb-free, RoHS-compliant construction.

Can the LM2575T-12/NOPB be used in a buck-boost configuration?

Yes, the LM2575T-12/NOPB also supports buck-boost switcher configurations in addition to its standard step-down (buck) operation, providing design flexibility for applications where the input voltage may vary around the output voltage level.

What are common applications for the LM2575T-12/NOPB?

Typical applications include industrial power supplies, automotive 12V rails, LED driver modules, battery chargers, and embedded system power stages. Its simple external component requirement—just an inductor, diode, and capacitor—makes it easy to integrate into compact designs.

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About Texas Instruments

Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.

AvailabilityIn Stock
Reference Price (USD)
From $2.2200
Buy from 1pc · Factory-direct pricing
Qty.Unit PriceExt. Price
1+$3.8500$3.85
4+$2.6560$10.62
10+$2.6200$26.20
25+$2.3500$58.75
45+$2.3100$103.95
90+$2.2200$199.80
pcs
Unit price: $3.8500 · Total: $3.85

In Stock · 24h Response · Worldwide Shipping

Lead Time3-7 business days
MOQFrom 1 piece
ShippingDHL / FedEx / UPS
OriginChina (Authorized)

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