Voltage Regulators
A voltage regulator is an electronic device that maintains a constant output voltage level, regardless of changes in the input voltage or load conditions. These devices are commonly used to provide a stable power supply to electronic circuits, as well as to protect them from voltage spikes and surges. There are several types of voltage regulators, including linear, switching, and pulse width modulation (PWM) regulators, each with its own set of characteristics and applications. Linear regulators, for example, are simple and efficient, but have a relatively low switching speed and can only provide a limited output current. Switching regulators, on the other hand, have higher switching speeds and can provide a higher output current, but are more complex and require additional components. In addition to their use in power supplies and voltage protection, voltage regulators are also used in a wide range of other applications, including motor control, battery charging, and instrumentation. Flux.ai has the world's largest community-driven public library of voltage regulators, with footprints, symbols, datasheets, and simulation models for a wide range of devices. Whether you're a designer, engineer, or hobbyist, you can find the resources you need to get your project up and running quickly and efficiently.
LM5148RGYR
Buck Regulator Positive Output Step-Down DC-DC Controller IC 24-VQFN (3.5x5.5) The LM5148RGYR specification defines the engineering requirements for a synchronous buck controller integrated circuit designed for high-efficiency DC-DC power conversion applications. This specification establishes the functional, electrical, mechanical, thermal, environmental, and quality requirements necessary to ensure reliable voltage regulation, efficient power management, and long-term operational stability in industrial, automotive, telecommunications, and embedded electronic systems. The device is intended for use in high-performance power supply designs requiring wide input voltage capability, precise output voltage regulation, and high-current conversion efficiency. It controls external power MOSFETs to implement synchronous buck converter topologies suitable for distributed power architectures, industrial automation equipment, networking infrastructure, battery-powered systems, and embedded control applications. Engineering Requirements The controller shall be manufactured using qualified semiconductor fabrication processes and high-quality materials to ensure stable switching performance, low power consumption, and reliable long-term operation. The device shall maintain consistent functionality under specified operating voltage, temperature, and environmental conditions. Electrical characteristics shall provide accurate pulse-width modulation control, stable output voltage regulation, fast transient response, and reliable gate drive capability for external synchronous power MOSFETs. The controller shall maintain predictable switching performance during startup, shutdown, overload, and dynamic load conditions while supporting efficient power conversion. The integrated control architecture shall provide robust regulation, protection features, and compensation capability to ensure stable converter operation across varying input voltages and output load conditions. The device shall maintain operational integrity during power sequencing and fault recovery without compromising system reliability. Thermal performance shall support continuous operation within the specified junction temperature range while maintaining electrical performance and reliability. The package shall be suitable for automated surface-mount assembly and compatible with standard solder reflow manufacturing processes. Mechanical construction shall withstand thermal cycling, vibration, mechanical handling, and environmental exposure without degradation of functionality. Workmanship shall be free from defects including contamination, package cracking, bond failures, lead deformation, or structural inconsistencies that could adversely affect electrical or mechanical performance. Inspection, validation, and testing shall be performed using calibrated equipment and controlled quality procedures to verify compliance with engineering and manufacturing requirements. Any deviation from this specification shall require formal engineering evaluation, documented technical justification, and approval through the established engineering change control process before implementation. Documentation Supporting documentation shall include engineering drawings, electrical performance specifications, application guidelines, thermal characterization reports, qualification records, inspection reports, material declarations, reliability data, and revision-controlled manufacturing documentation. All documentation shall be maintained under formal configuration management and quality assurance systems to ensure complete product traceability. Revision Control Any modification to this specification shall be managed through the formal engineering change management process. All revisions shall undergo technical review, validation, and approval before release to ensure continued compliance with design intent and applicable engineering standards. #EngineeringSpecification #BuckController #DCDCConverter #PowerManagement #SynchronousBuck #PowerElectronics #EmbeddedSystems #IndustrialElectronics #QualityAssurance #EngineeringDocumentation
12 Uses0 StarsXFL4020-152MEC
1.5µH Shielded Molded Inductor 9.1A 15.8mOhm Max 1616 (4040 Metric) The XFL4020-152MEC is a metal-composite core, shielded surface-mount power inductor with an inductance value of 1.5 µH and a current rating of 9.1 A. Its low DCR of 15.8 mΩ maximum helps reduce conduction losses, making it suitable for efficient power conversion designs. The component is rated for automotive-grade reliability (AEC-Q200) and operates over a wide temperature range of -40°C to +125°C. Key Features Inductance: 1.5 µH Tolerance: ±20% Maximum Current Rating: 9.1 A Saturation Current (Isat): Approximately 4.6 A Low DC Resistance (DCR): 15.8 mΩ max Shielded molded construction for reduced EMI radiation Metal composite core for high efficiency and compact size Surface-mount package: 1616 / 4040 metric Dimensions: approximately 4.0 mm × 4.0 mm × 2.1 mm Self-resonant frequency: 59 MHz AEC-Q200 qualified for automotive applications Operating temperature: -40°C to +125°C Typical Applications DC/DC switching converters Power supply filtering Voltage regulator modules (VRM) Battery-powered devices Automotive power electronics Embedded power management systems Hashtags #Coilcraft #XFL4020 #PowerInductor #ShieldedInductor #SMTInductor #DC_DCConverter #PowerElectronics #AutomotiveElectronics #AECQ200 #PCBDesign #ElectronicComponents #commonpartslibrary #inductor
46 Uses0 Stars
