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LM2574N-ADJ
Step-down voltage regulator
LM2574N-ADJ
Step-down voltage regulator
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Shipping & Payment
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
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LM2574N-ADJ DataSheet
Pricing (USD)
| Quantity | Unit Price | Ext. Price |
|---|---|---|
| 1 | $2.649 | $2.65 |
| 200 | $1.025 | $205.00 |
| 500 | $0.989 | $494.50 |
| 1000 | $0.971 | $971.00 |
These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.
Details
In addition to its impressive functionality, the LM2574N-ADJ also includes built-in thermal shutdown and overload protection features, guaranteeing safe operation under all conditions. Whether used in automotive, industrial, or consumer electronics applications, this IC delivers efficiency and reliability in generating regulated power supplies
Key Features
- Adjustable output voltage
- Efficiency up to 83%
- Input voltage range of 4.75V to 40V
- Output voltage adjustable from 1.23V to 37V
- Current limit protection
- Thermal shutdown protection
Application
- DC-DC buck converter
- Power supplies
- Battery chargers
- LED drivers
- Solar powered systems
- Industrial control systems
- Automotive systems
- Telecommunications equipment
- Instrumentation
- Consumer electronics
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Rohs Code | No | Part Life Cycle Code | Obsolete |
| Part Package Code | DIP | Pin Count ! | 8 |
| Reach Compliance Code | not_compliant | ECCN Code | EAR99 |
| HTS Code ! | 8542.39.00.01 | Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE | Input Voltage-Max | 40 V |
| Input Voltage-Min | 7 V | Input Voltage-Nom | 12 V |
| JESD-30 Code | R-PDIP-T8 | JESD-609 Code | e0 |
| Length | 9.78 mm | Number of Functions | 1 |
| Number of Terminals | 8 | Operating Temperature-Max | 125 °C |
| Operating Temperature-Min | -40 °C | Output Current-Max | 1.8 A |
| Package Body Material | PLASTIC/EPOXY | Package Code | DIP |
| Package Equivalence Code | DIP8,.3 | Package Shape | RECTANGULAR |
| Package Style | IN-LINE | Peak Reflow Temperature (Cel) | 235 |
| Qualification Status ! | Not Qualified | Seated Height-Max | 4.45 mm |
| Surface Mount ! | NO | Switcher Configuration | BUCK |
| Switching Frequency-Max | 63 kHz | Technology | BIPOLAR |
| Temperature Grade ! | AUTOMOTIVE | Terminal Finish | TIN LEAD |
| Terminal Form ! | THROUGH-HOLE | Terminal Pitch ! | 2.54 mm |
| Terminal Position | DUAL | Width | 7.62 mm |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM2574N-ADJ?
The LM2574N-ADJ is a step-down (buck) voltage regulator integrated circuit (IC) manufactured by Texas Instruments. It is designed to efficiently convert a higher input voltage to a lower output voltage, making it suitable for various power management applications in electronics and electrical systems.
How Does LM2574N-ADJ Work?
The LM2574N-ADJ works by using a switching regulator topology to step down the input voltage to a lower, regulated output voltage. It employs a pulse-width modulation (PWM) control scheme to achieve high efficiency and precise output voltage regulation. The adjustable version of the LM2574N allows for flexibility in setting the desired output voltage.
How Many Pins does LM2574N-ADJ have and What are the Functions of the Pinout Configuration?
The LM2574N-ADJ is housed in a 5-lead TO-220 package. The pinout configuration includes:
- VIN: Input voltage pin.
- GND: Ground pin.
- FB: Feedback pin for setting the output voltage.
- ON/OFF: On/Off control pin.
- VOUT: Regulated output voltage pin.
What are the Pros and Cons of LM2574N-ADJ?
Pros:
- High Efficiency: Switching regulator design offers high efficiency compared to linear regulators.
- Wide Input Voltage Range: Can accept a wide range of input voltages for versatile applications.
- Adjustable Output: The LM2574N-ADJ version allows for adjustable output voltage settings.
- Thermal Shutdown: Includes thermal shutdown protection for overtemperature conditions.
- Simple External Components: Requires minimal external components for basic operation.
Cons:
- Switching Noise: May need additional filtering for sensitive analog circuits.
- Complexity: Switching regulators may require more careful consideration of layout and noise compared to linear regulators.
Are There Any Equivalents/Alternatives to LM2574N-ADJ for Recommendation?
- Similar products to the LM2574N-ADJ include the LM2575 and LM2596 series from Texas Instruments.
- Alternatives to the LM2574N-ADJ include the MC34063 from ON Semiconductor and the MP2307 from Monolithic Power Systems.
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