LM2574MX-ADJ
- Mfr.Part #
- LM2574MX-ADJ
- Manufacturer
- National Semiconductor
- Package / Case
- 14-SOIC (0.295, 7.50mm Width)
- Datasheet
- Download
- Description
- SWITCHING REG, VOLTAGE-MODE, 1.8
- Stock
- 1,175
- In Stock :
- 1,175
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- Manufacturer :
- National Semiconductor
- Product Category :
- Voltage Regulators - DC DC Switching Regulators
- Frequency - Switching :
- 52kHz
- Current - Output :
- 500mA
- Series :
- SIMPLE SWITCHER®
- Output Type :
- Adjustable
- Function :
- Step-Down
- Length :
- 9mm
- Width :
- 7.5mm
- Peak Reflow Temperature (Cel) :
- 260
- Topology :
- Buck
- Control Mode :
- VOLTAGE-MODE
- Voltage - Output (Min/Fixed) :
- 1.23V
- JESD-609 Code :
- e3
- Package / Case :
- 14-SOIC (0.295, 7.50mm Width)
- Time@Peak Reflow Temperature-Max (s) :
- 40
- Synchronous Rectifier :
- No
- RoHS Status :
- Non-RoHS Compliant
- Height Seated (Max) :
- 2.65mm
- Mounting Type :
- Surface Mount
- Packaging :
- Tape and Reel (TR)
- Voltage - Output (Max) :
- 37V
- Terminal Finish :
- Tin
- Output Configuration :
- Positive
- Pbfree Code :
- yes
- Moisture Sensitivity Level (MSL) :
- 2A (4 Weeks)
- Terminal Position :
- Dual
- Surface Mount :
- yes
- Output Voltage :
- 1.23V
- Terminal Form :
- Gull wing
- Number of Outputs :
- 1
- Control Technique :
- PULSE WIDTH MODULATION
- Voltage - Input (Max) :
- 40V
- Operating Temperature :
- -40°C~125°C TJ
- Analog IC - Other Type :
- SWITCHING REGULATOR
- Voltage - Input (Min) :
- 4V
- Input Voltage-Nom :
- 12V
- Number of Terminations :
- 14
- Datasheets
- LM2574MX-ADJ
LM2574MX-ADJ Documents

Voltage Regulators - DC DC Switching Regulators National Semiconductor LM2574MX-ADJ Overview
The LM2574MX-ADJ from National Semiconductor is a highly versatile switching regulator, ideal for a myriad of applications that require efficient voltage regulation. This component is designed to deliver precision performance in voltage mode operation, allowing for adjustable output from 1.23V to 37V. With a capability to handle up to 0.5A load with excellent power efficiency, the LM2574MX-ADJ ensures that your circuits operate reliably under varying load conditions and power sources. This regulator's integration features, including a fixed oscillator, feedback voltage reference, and error amplifier, make it an exceptional choice for both new designs and upgrades to existing systems. The Voltage Regulators - DC DC Switching Regulators National Semiconductor LM2574MX-ADJ provides a compact solution for managing power in densely packed PCB layouts, enhancing system reliability and performance.
LM2574MX-ADJ Features
This switching regulator boasts several key features that make it a preferred option for power supply design:
- Adjustable Output Voltage: Provides the flexibility to produce a voltage from 1.23V to 37V, ensuring compatibility with a wide range of devices.
- High Efficiency: Designed to optimize power usage, minimizing heat generation and improving system reliability.
- Simple Design: Requires minimal external components, facilitating easier and quicker circuit design and layout.
- Thermal Shutdown and Current Limit: Protects against overheating and overcurrent, enhancing the durability and lifespan of the regulator.
- Standard Packaging: Available in a convenient SOP-8 package, making it easy to integrate into various circuit designs without special handling.
LM2574MX-ADJ Applications
- Battery-Powered Devices: Optimizes battery life by providing efficient power conversion, essential for portable consumer electronics such as cameras and wireless headphones.
- Embedded Systems: Delivers stable and reliable power for microcontrollers and digital systems, crucial for maintaining system stability and performance.
- Office Automation Equipment: Powers office devices such as printers and fax machines, ensuring efficient operation with minimal energy waste.
- Telecommunications: Used in telecom infrastructures to provide stable power supply, crucial for maintaining communication reliability and quality.
- Automotive Applications: Supports automotive electronics, including sensors and control systems, with reliable power, adapting to fluctuating inputs from the vehicle’s electrical system.
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