Texas Instruments

LM27313XQMFX/NOPB

The LM27313XQMFX/NOPB is a high-performance, low-power, dual-input, step-down (buck) converter from Texas Instruments. It is designed to provide efficient power conversion for a wide range of applications, including automotive, industrial, and consumer electronics.

Description:

The LM27313 is a highly integrated, dual-input, step-down converter that can operate from a wide range of input voltages. It features a high-efficiency, synchronous-buck topology and is available in a compact, thermally-optimized, 20-pin QFN package.

Features:

1. Dual-input architecture: The LM27313 can accept two different input voltage sources, making it suitable for systems with multiple power supplies or backup power requirements.
2. Wide input voltage range: The device can operate from input voltages as low as 2.5V and as high as 60V, making it suitable for a wide range of applications.
3. High efficiency: The LM27313 features a high-efficiency synchronous-buck topology, with peak efficiencies of up to 95%.
4. Low quiescent current: The device has a low quiescent current of typically 3.5µA in normal operation and 1µA in shutdown mode, making it ideal for battery-powered applications.
5. High output current: The LM27313 can deliver output currents of up to 3A, making it suitable for powering high-current loads.
6. Programmable output voltage: The output voltage can be programmed using an external resistor divider, allowing for flexible output voltage settings.
7. Protection features: The device includes over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.

Applications:

1. Automotive applications: The LM27313 is suitable for automotive applications, such as infotainment systems, instrument clusters, and headlamps.
2. Industrial applications: The device can be used in industrial systems, such as motor drives, sensor power supplies, and programmable logic controllers.
3. Consumer electronics: The LM27313 is suitable for powering portable devices, such as smartphones, tablets, and laptops, as well as home appliances and smart home devices.
4. Medical equipment: The device can be used in medical equipment, such as portable medical instruments and wearable devices, where low power consumption and high efficiency are critical.
5. Backup power systems: The dual-input architecture makes the LM27313 suitable for backup power systems, where a secondary power source is required in case of a primary power failure.

In summary, the LM27313XQMFX/NOPB is a versatile, high-performance step-down converter from Texas Instruments that offers a wide input voltage range, high efficiency, and low quiescent current. Its dual-input architecture and programmable output voltage make it suitable for a wide range of applications, including automotive, industrial, consumer electronics, medical equipment, and backup power systems.