Texas Instruments

LM2853MHX-3.3

LM2853MHX-3.3 Description

The LM2853MHX-3.3 is a fixed-output, positive configuration, DC switching voltage regulator from Texas Instruments, part of the SIMPLE SWITCHER® series. With a 3.3V fixed output voltage and a maximum output current of 3A, this device is designed for applications requiring a stable and efficient power supply. The LM2853MHX-3.3 operates over a wide input voltage range of 3V to 5.5V and features a high switching frequency of 550kHz, enabling compact and efficient power conversion solutions.

LM2853MHX-3.3 Features

• Fixed 3.3V Output Voltage: Provides a stable and consistent power supply for sensitive electronic components.
• 3A Maximum Output Current: Capable of delivering sufficient power for a variety of applications.
• Wide Input Voltage Range (3V to 5.5V): Enhances flexibility in system design and compatibility with different power sources.
• High Switching Frequency (550kHz): Allows for smaller external components and improved efficiency.
• Synchronous Rectifier: Improves efficiency and reduces power loss during the rectification process.
• Surface Mount Packaging: Facilitates integration into compact and densely populated PCB designs.
• Positive Output Configuration: Suitable for applications requiring a single, positive output voltage.

LM2853MHX-3.3 Applications

The LM2853MHX-3.3 is ideal for applications where a stable 3.3V power supply is required, such as:

• Portable Electronics: Mobile devices, wearables, and other battery-powered electronics.
• Industrial Control Systems: Sensors, actuators, and control boards that require a reliable power source.
• Telecommunications Equipment: Base stations, routers, and other network devices that demand efficient power conversion.
• Automotive Electronics: Infotainment systems, sensors, and control modules that need a stable power supply.

Conclusion of LM2853MHX-3.3

The LM2853MHX-3.3 is a versatile and efficient DC switching voltage regulator, offering a fixed 3.3V output with a maximum 3A current capability. Its wide input voltage range, high switching frequency, and synchronous rectification make it suitable for a variety of applications, from portable electronics to industrial control systems. While the LM2853MHX-3.3 is now considered obsolete, its performance benefits and unique features make it a reliable choice for existing designs that require a stable and efficient power supply.