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LM5118MHX
+StücklisteSwitching Controllers
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HerstellerTexas Instruments
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Herstellerteil #LM5118MHX
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Auf Lager19426
365 Tage Qualitätsgarantie
7*24 Stunden-Servicegarantie
90-Tage Kundendienstgarantie
Originalproduktgarantie
Spezifikationen
| Attribut | Wert |
Übersicht
Description
Key features include a wide input voltage range from 3 V to 75 V, a programmable switching frequency up to 500 kHz, and high efficiency through the use of a low-resistance internal switch and low-loss external components. The device also includes built-in protection features such as cycle-by-cycle current limiting, thermal shutdown, and adjustable soft start to ensure robust operation under various conditions.
The LM5118MHX is housed in a thermally enhanced HTSSOP-20 package, facilitating efficient heat dissipation. This makes it ideal for applications requiring high reliability and performance in compact designs.
Equivalent
Features
1. Wide Input Voltage Range: It operates from 3V to 75V, making it suitable for a variety of applications, including automotive and industrial systems.
2. Buck-Boost Operation: It seamlessly transitions between buck (step-down) and boost (step-up) modes, accommodating input voltages both above and below the output voltage.
3. High Efficiency: The controller is designed to optimize efficiency across the entire operating range.
4. Adjustable Switching Frequency: Offers flexibility with an adjustable switching frequency between 50 kHz and 500 kHz.
5. Integrated High-Side and Low-Side Drivers: Simplifies design and reduces component count.
6. Programmable Soft-Start: Allows controlled startup to prevent inrush current.
7. Cycle-by-Cycle Current Limit: Protects against overcurrent conditions by limiting the peak current.
8. Thermal Shutdown Protection: Ensures device safety by shutting down the IC at high temperatures.
9. Synchronization Capability: Can be synchronized to an external clock for noise-sensitive applications.
These features make the LM5118MHX versatile and robust for varied power management applications.
Pinout
Key functions of the LM5118 include:
1. Buck-Boost Operation: It combines buck and boost topologies, allowing for step-up or step-down voltage conversion as needed.
2. Wide Input Voltage Range: Supports a broad input range, making it versatile for various power supply applications.
3. High Efficiency: Designed for efficient power conversion, reducing energy loss and thermal issues.
4. Programmable Features: Includes features like programmable switching frequency and current limit settings for tailored applications.
5. Protection Mechanisms: Incorporates over-voltage, under-voltage, and thermal shutdown protection to enhance reliability.
This device is often used in automotive, industrial, and communications applications where efficient and reliable power management is crucial.
Manufacturer
Application
1. Automotive Systems: For managing power from vehicle batteries, accommodating varying voltage levels.
2. Industrial Equipment: For stabilizing power supplies in harsh environments.
3. Telecommunications: To provide reliable power in network equipment.
4. Consumer Electronics: For devices requiring efficient power conversion.
5. Battery-Powered Systems: For extending battery life by efficiently managing charge and discharge cycles.
6. Renewable Energy Systems: In applications such as solar power converters.
Its adaptability makes it ideal for scenarios needing seamless transition between buck and boost modes.