onsemi

LM2575D2T-15R4G

LM2575D2T-15R4G Description

The LM2575D2T-15R4G from onsemi is a fixed-output 15V, 1A buck (step-down) switching voltage regulator in a D2PAK-5 surface-mount package. Designed for efficiency and reliability, it operates over a 4.75V to 40V input range, making it suitable for a wide variety of industrial, automotive, and consumer applications. With a 52kHz switching frequency, it balances performance and noise reduction while minimizing external component requirements. The device is ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance. Its non-synchronous rectification topology simplifies design while maintaining robust performance.

LM2575D2T-15R4G Features

• Fixed 15V Output: Eliminates the need for external feedback resistors, reducing BOM complexity.
• Wide Input Range (4.75V–40V): Supports diverse power sources, including unregulated DC supplies.
• 1A Output Current: Delivers sufficient power for medium-load applications.
• 52kHz Switching Frequency: Optimizes efficiency while minimizing EMI and inductor size.
• Thermal Shutdown & Current Limiting: Protects against overload and overheating.
• D2PAK-5 Package: Offers superior thermal performance for high-power dissipation.
• Non-Synchronous Buck Topology: Simplifies design with fewer external components.
• MSL 1 (Unlimited): Suitable for extended storage and handling without moisture sensitivity concerns.

LM2575D2T-15R4G Applications

• Industrial Power Supplies: Ideal for converting 24V industrial rails to 15V for control systems.
• Automotive Electronics: Efficiently steps down battery voltage (12V/24V) to power infotainment or sensors.
• Consumer Electronics: Used in set-top boxes, routers, and displays requiring stable 15V rails.
• Embedded Systems: Provides reliable power for microcontrollers, FPGAs, and peripherals.
• LED Drivers: Supports constant-voltage LED applications with minimal external circuitry.

Conclusion of LM2575D2T-15R4G

The LM2575D2T-15R4G is a robust, cost-effective buck regulator offering high efficiency, wide input range, and simplified design. Its fixed 15V output reduces component count, while the D2PAK-5 package ensures thermal reliability. Suitable for industrial, automotive, and consumer applications, it stands out for its balance of performance, durability, and ease of integration. Engineers can leverage its built-in protections and 52kHz switching to create compact, reliable power solutions with minimal design overhead.