LM2575 (18)
TIThe LM2575 is available from TI at Xecor. Designed for step-down (buck) switching regulation, the LM2575 offers high efficiency, adjustable output voltage (1.23 V to 37 V), and a guaranteed 1.0 A output current. Available in multiple configurations, including fixed-output versions (3.3 V, 5.0 V, 12 V, 15 V) and an adjustable version, it is ideal for applications such as on-card switching regulators, battery chargers, and positive-to-negative converters. Whether used in power supplies, telecommunications, or automotive systems, this series ensures reliable performance, thermal protection, and cycle-by-cycle current limiting for demanding applications. Xecor is an authorized distributor for TI. Please view our extensive selection of the LM2575 series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LM2575S-12 | Fast switching frequency | TO-263-5 | 6,882 | |
| LM2575S-ADJ | LM2575S-ADJ is a step-down DC-DC converter designed to convert input voltages ranging from 4V to 40V into adjustable output voltages between 1 | TO-263 (KTT)-5 | 6,383 | |
| LM2575T-ADJ | Conv DC-DC 4.75V to 40V Step Down Single-Out 1.23V to 37V 1A 5-Pin(5+Tab) TO-220 Tube | TO220-5 | 4,285 | |
| LM2575T-12 | LM2575T-12 Switched-Mode Power Supply Controller | TO-220 (KC)-5 | 5,463 | |
| LM2575D2T-5G | LM2575D2T-5G is a compact SMT regulator capable of delivering 1A output current | D2PAK-5 | 9,490 | |
| LM2575N-ADJ | LM2575N-ADJ is a voltage regulator with a switching frequency of up to 63kHz | PDIP-16 | 5,222 | |
| LM2575T-5G | Power supply module | TO220-5 | 9,031 | |
| LM2575HVS-12 | Conv DC-DC 4V to 60V Step Down Single-Out 12V 1A 6-Pin(5+Tab) DDPAK Tube | TO263-5 | 6,382 | |
| LM2575HVS-ADJ | Step-down DC-DC converter for voltage regulation | TO263-5 | 2,360 | |
| LM2575HVS-ADJ/NOPB | Step-down voltage regulator with adjustable output | TO-263 (KTT)-5 | 7,187 | |
| LM2575SX-ADJ | Adjustable DC-DC Converter | TO-263 (KTT)-5 | 6,787 | |
| LM2575T-12/NOPB | 220 Package Configuration | TO220-5 | 7,922 | |
| LM2575T-15 | Conv DC-DC 4.75V to 40V Step Down Single-Out 15V 1A 5-Pin(5+Tab) TO-220 Tube | TO220-5 | 6,194 | |
| LM2575T-ADJG | Conv DC-DC 4.75V to 40V Step Down Single-Out 1.23V to 37V 1A 5-Pin(5+Tab) TO-220 Tube | TO-220-5 | 7,266 | |
| LM2575S-15 | Voltage Regulator | TO-263-5 | 7,870 | |
| LM2575D2T-5R4G | Conv DC-DC 4.75V to 40V Step Down Single-Out 5V 1A 6-Pin(5+Tab) D2PAK T/R | D2PAK-5 | 7,341 | |
| LM2575BT | Step-Down DC to DC switching regulator | TO-220-5 | 7,635 | |
| LM2575HVS-15 | Small footprint, high performance | TO-263-5 | 3,804 |
Key Featrues
Adjustable Output Voltage (1.23 V to 37 V): The LM2575 offers an adjustable output voltage range, providing flexibility for various applications. This feature ensures precise voltage regulation (±4%) across different line, load, and temperature conditions, enhancing performance and adaptability in diverse use cases.
High Efficiency (Up to 88%): With its high efficiency, the LM2575 significantly reduces power dissipation compared to linear regulators. This minimizes the need for heat sinks, lowers thermal stress, and improves energy efficiency, making it ideal for power-sensitive applications.
Wide Input Voltage Range (4.75 V to 40 V): The device supports a broad input voltage range, enabling it to operate in various power supply scenarios. This versatility makes it suitable for applications ranging from battery-powered systems to industrial power supplies.
Integrated Protection Features: The LM2575 includes thermal shutdown and cycle-by-cycle current limiting, ensuring robust protection under fault conditions. These features enhance reliability and safety, preventing damage to the device and connected components.
Minimal External Components (Only 4 Required): The LM2575 simplifies power supply design by requiring only four external components. This reduces design complexity, lowers costs, and speeds up development, making it an efficient choice for engineers and designers.
High Efficiency (Up to 88%): With its high efficiency, the LM2575 significantly reduces power dissipation compared to linear regulators. This minimizes the need for heat sinks, lowers thermal stress, and improves energy efficiency, making it ideal for power-sensitive applications.
Wide Input Voltage Range (4.75 V to 40 V): The device supports a broad input voltage range, enabling it to operate in various power supply scenarios. This versatility makes it suitable for applications ranging from battery-powered systems to industrial power supplies.
Integrated Protection Features: The LM2575 includes thermal shutdown and cycle-by-cycle current limiting, ensuring robust protection under fault conditions. These features enhance reliability and safety, preventing damage to the device and connected components.
Minimal External Components (Only 4 Required): The LM2575 simplifies power supply design by requiring only four external components. This reduces design complexity, lowers costs, and speeds up development, making it an efficient choice for engineers and designers.
Applications
Simple and High-Efficiency Step-Down (Buck) Regulators: The LM2575 is ideal for designing high-efficiency step-down (buck) regulators, providing a compact and reliable solution for converting higher input voltages to lower output voltages. Its integrated switch and minimal external component requirements make it suitable for applications in portable devices, automotive systems, and industrial equipment where space and efficiency are critical.
Efficient Pre-Regulator for Linear Regulators: The LM2575 serves as an efficient pre-regulator for linear regulators, reducing power dissipation and improving overall system efficiency. By stepping down the input voltage to a level closer to the desired output, it minimizes the voltage drop across the linear regulator, making it ideal for powering sensitive analog circuits and low-noise applications.
On-Card Switching Regulators: The LM2575 is well-suited for on-card switching regulators, providing localized power conversion directly on PCBs. Its compact design and high efficiency make it ideal for applications in telecommunications, networking equipment, and embedded systems, where space and thermal management are key considerations.
Power Supply for Battery Chargers: The LM2575 is an excellent choice for powering battery chargers, offering adjustable output voltage and high efficiency to optimize charging performance. Its ability to handle a wide input voltage range and deliver a stable output makes it suitable for charging applications in consumer electronics, electric vehicles, and renewable energy systems.
Efficient Pre-Regulator for Linear Regulators: The LM2575 serves as an efficient pre-regulator for linear regulators, reducing power dissipation and improving overall system efficiency. By stepping down the input voltage to a level closer to the desired output, it minimizes the voltage drop across the linear regulator, making it ideal for powering sensitive analog circuits and low-noise applications.
On-Card Switching Regulators: The LM2575 is well-suited for on-card switching regulators, providing localized power conversion directly on PCBs. Its compact design and high efficiency make it ideal for applications in telecommunications, networking equipment, and embedded systems, where space and thermal management are key considerations.
Power Supply for Battery Chargers: The LM2575 is an excellent choice for powering battery chargers, offering adjustable output voltage and high efficiency to optimize charging performance. Its ability to handle a wide input voltage range and deliver a stable output makes it suitable for charging applications in consumer electronics, electric vehicles, and renewable energy systems.
Popular LM2575 Products comparison
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