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LM3481MM
The LM3481MM is a high-frequency switching controller capable of handling up to 1A of current with a maximum switching frequency of 1000kHz
LM3481MM
The LM3481MM is a high-frequency switching controller capable of handling up to 1A of current with a maximum switching frequency of 1000kHz
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Manufacturer Part # : LM3481MM
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Package/Case: MSOP
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Brand: Texas Instruments
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Product Categories : Voltage Regulators - DC DC Switching Regulators
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Service & Packaging
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LM3481MM DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
With its adept operating range, the LM3481MM is adept at addressing the power supply needs of diverse industries, including automotive, industrial, and telecom sectors. Its wide input voltage span of 4.5V to 75V grants it the flexibility to cater to various applications, ensuring adaptability in different scenarios. By employing a fixed frequency peak current-mode control mechanism, the LM3481MM guarantees stable operation and swift responses in the face of load fluctuations, enhancing reliability and overall performance. The device's ability to deliver up to 2A of output current enables it to power a multitude of loads effectively, showcasing its versatility and utility across a wide range of projects. The integration of low-side and high-side MOSFETs within the LM3481MM design streamlines the circuitry layout, reducing the need for external components and simplifying the overall design implementation process
Key Features
- The LM34MM is a reliable and efficient DC-DC converter suitable for various applications
- This includes industrial automation, automotive, and consumer electronics
- It features programmable frequency up to 2MHz and adjustable soft-start protection
Application
- Powerful and versatile LM3481
- Efficient power management
- Ideal for LED lighting
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Switching Controllers | Number of Outputs | 1 Output |
| Output Current ! | 1 A | Minimum Operating Temperature | - 40 C |
| Maximum Operating Temperature ! | + 125 C | Mounting Style | SMD/SMT |
| Package / Case | MSOP | Brand | Texas Instruments |
| Product Type ! | Switching Controllers | Subcategory | PMIC - Power Management ICs |
| Type | Step Up |
Datasheet PDF
Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.
FAQs
What is LM3481MM?
The LM3481MM is a high efficiency, low-side N-channel controller for switching regulators designed by Texas Instruments. It is specifically designed for use in buck, boost, and inverting configurations. The device is suitable for a wide range of applications including industrial, automotive, and battery-powered systems.
How Does LM3481MM Work?
The LM3481MM operates as a controller for a switching regulator, providing the necessary control signals to drive an external N-channel MOSFET for efficient power conversion. It incorporates features such as slope compensation and programmable frequency to optimize the performance of the switching regulator. The device is designed to maximize power efficiency and reduce overall system power consumption.
How Many Pins does LM3481MM have and What are the Functions of the Pinout Configuration?
The LM3481MM is housed in a 10-pin MSOP (Mini Small Outline Package) package. The pinout configuration includes:
- VIN: Input voltage pin.
- PGND: Power ground pin.
- FB: Feedback pin for regulation control.
- COMP: Compensation pin for loop stability.
- SS/TR: Soft start/tracking pin.
- EN: Enable pin.
- ISEN: Current sense input pin.
- VCC: Controller supply voltage pin.
- SW: Switching node pin.
- PGOOD: Power good output pin.
What are the Pros and Cons of LM3481MM?
Pros:
- High Efficiency: Optimized for high-efficiency power conversion in various configurations.
- Wide Input Voltage Range: Supports a wide input voltage range, making it suitable for diverse applications.
- Programmable Frequency: Allows flexibility in configuring the switching frequency for different application requirements.
- Compact Package: The 10-pin MSOP package offers space-efficient design options.
- Power Good Output: Provides a power good signal for system monitoring and control.
Cons:
- External Components: May require additional external components such as inductors and capacitors for complete regulator implementation.
- Complexity: Switching regulators may require careful design considerations for optimal performance and EMI mitigation.
- Thermal Considerations: High efficiency operation may require attention to thermal management for certain applications.
Are There Any Equivalents/Alternatives to LM3481MM for Recommendation?
- The TPS40210 from Texas Instruments is a similar N-channel controller for switching regulators with additional features.
- Alternatives to the LM3481MM include the MAX15062 from Maxim Integrated and the LT1613 from Analog Devices.
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