LM25011MY

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Switching Voltage Regulators 6-42V Wide Vin, 2A Constant-On Time Buck Regulator with Adjustable Current Limit 10-HVSSOP

  • FabricanteTexas Instruments

  • Peça do Fabricante #LM25011MY

  • Em Estoque15284

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Description

The LM25011MY is a buck switching regulator designed by Texas Instruments. It is part of the SIMPLE SWITCHER® family, known for providing easy-to-use power management solutions. The device is commonly used for converting higher input voltages to lower output voltages in electronic devices, making it suitable for various industrial and consumer applications.
Key Features:
- Wide input voltage range: The LM25011MY can handle input voltages from approximately 6V to 48V, making it versatile for different power supply scenarios.
- Adjustable output: It offers a flexible output voltage which can be set using external resistors, accommodating various application needs.
- High efficiency: The regulator is designed to operate with high efficiency, reducing power loss and heat generation.
- Integrated MOSFETs: It incorporates built-in MOSFETs, simplifying the design and reducing the need for additional external components.
- Protection features: The device includes built-in protection mechanisms such as thermal shutdown, current limiting, and under-voltage lockout to enhance reliability and safety.
The LM25011MY is ideal for applications that require efficient and compact power regulation solutions.

Equivalent

The LM25011MY is a synchronous buck regulator from Texas Instruments. Equivalent products from other manufacturers might include:
1. MAX15062 from Maxim Integrated - Similar voltage and current specifications.
2. LT8609 from Analog Devices - Comparable buck regulator for similar applications.
3. MIC28512 from Microchip Technology - Near equivalent functionality and performance.
Ensure compatibility by checking detailed specifications like voltage range, current output, switching frequency, and package type.

Features

The LM25011MY is a high-voltage, step-down voltage regulator from Texas Instruments. Key features include:
1. Wide Input Voltage Range: The device supports an input voltage range from 6V to 42V, making it suitable for various applications.
2. Current-Mode Control: It uses a current-mode control architecture, which provides fast transient response and easy loop compensation.
3. Integrated High-Side MOSFET: This feature simplifies design and reduces the overall component count.
4. Adjustable Switching Frequency: The switching frequency is adjustable from 50 kHz to 1 MHz, allowing for design flexibility and optimization for efficiency or size.
5. Low Shutdown Current: The device has a low shutdown current of less than 10 µA, conserving power when the device is not in use.
6. Protection Features: It includes various protection mechanisms such as cycle-by-cycle current limiting, thermal shutdown, and an output voltage power-good flag.
7. Soft-Start Capability: The LM25011MY features an internal soft-start function to prevent inrush current during startup.
These features make the LM25011MY suitable for automotive, industrial, and other high-voltage applications.

Pinout

The LM25011MY is a buck switching regulator from Texas Instruments, designed for step-down power conversion. It typically comes in an 8-pin VSSOP (Very Thin Shrink Small Outline Package). Here’s a brief overview of the pin functions:
1. SW (Switching Node): Connects to the inductor and is the switching node for the buck converter.
2. BST (Bootstrap Capacitor): Connects to an external capacitor to power the high-side switch driver.
3. EN (Enable): A logic input that enables or disables the regulator.
4. VIN (Input Voltage): The supply voltage pin for the regulator.
5. GND (Ground): Ground reference for the device.
6. FB (Feedback): Receives the output voltage feedback to regulate the output.
7. RT (Timing Resistor): Connects to a resistor that sets the switching frequency.
8. SS (Soft Start): Connects to a capacitor to control the soft-start timing and reduce inrush current.
These pin functions determine how the LM25011MY operates within a circuit to efficiently convert a higher input voltage to a regulated lower output voltage.

Manufacturer

The LM25011MY is manufactured by Texas Instruments (TI), a company renowned for its development and production of semiconductors and integrated circuits. TI is a global leader in the electronics industry, providing a wide range of products that are crucial in various applications, including consumer electronics, automotive, industrial machinery, and communications equipment. The company is well-known for its innovation and advancements in analog and embedded processing technologies.

Application

The LM25011MY is a step-down DC-DC converter commonly used in applications requiring efficient power regulation. It is suitable for use in automotive systems, industrial power supplies, and telecommunications equipment where stable voltage conversion is crucial. It can be employed in battery-powered devices, offering high efficiency and low standby power consumption, making it ideal for portable electronics. Additionally, the LM25011MY is used in distributed power systems for its reliability and performance in handling varying input voltages and delivering consistent output. Its compact size and thermal performance make it suitable for space-constrained environments.

Package

The LM25011MY is a step-down voltage regulator and is typically available in a 10-pin MSOP-PowerPAD package. This package type is designed to enhance thermal performance and allows for efficient heat dissipation, which is crucial for maintaining the regulator's functionality and reliability in various applications.

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