LM2574M-ADJ/NOPBIn StockTexas Instruments
LM2574M-ADJ/NOPB is a Texas Instruments adjustable-output step-down switching regulator IC supporting 4V–40V input, 500mA output current, and PWM voltage-mode control. From $1.62, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- LM2574M-ADJ/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $1.6175(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
- Adjustable output voltage via external resistors for flexible power supply design
- Wide input voltage range of 4V to 40V supports diverse power architectures
- 500mA continuous output current with built-in PWM voltage-mode control
- Low quiescent current and high efficiency reduce heat and extend battery life
- Available in SO-14 small outline package for compact PCB layouts
Applications
The LM2574M-ADJ/NOPB is widely used in battery-powered devices, industrial control systems, and telecommunications equipment requiring efficient DC-DC step-down conversion. Its adjustable output makes it ideal for powering microcontrollers, FPGAs, and analog circuits from higher-voltage rails. It is also commonly deployed in consumer electronics, point-of-load regulators, and embedded system power management designs.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING REGULATOR |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 40V |
| Input Voltage-Min | 4V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G14 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Number of Outputs | 1 |
| Output Current-Max | 0.5A |
| Output Voltage-Max | 37V |
| Output Voltage-Min | 3.3V |
| Output Voltage-Nom | 1.23V |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Surface Mount | YES |
| Switcher Configuration | BUCK |
| Switching Frequency-Max | 52kHz |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
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 LM2574M-ADJ/NOPB?
The LM2574M-ADJ/NOPB operates with an input voltage range of 4V to 40V, with a nominal input of 12V. This wide range makes it suitable for a variety of industrial and consumer power supply applications.
How do I set the output voltage on the LM2574M-ADJ/NOPB?
The output voltage is set using two external resistors connected to the feedback pin. By selecting the appropriate resistor ratio, users can program any output voltage within the regulator's supported range, providing full design flexibility for custom power rails.
What package is the LM2574M-ADJ/NOPB available in?
The LM2574M-ADJ/NOPB comes in a 14-lead Small Outline (SO-14 / R-PDSO-G14) package, which is lead-free (Pb-free) and RoHS compliant, making it suitable for modern eco-conscious PCB designs.
What are common applications for the LM2574M-ADJ/NOPB?
This IC is commonly used in DC-DC step-down (buck) converter designs for microcontroller power supplies, embedded systems, battery-operated devices, industrial automation, and telecommunications equipment where efficient voltage regulation from a higher rail is needed.
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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.
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