Texas Instruments

LM5161QPWPRQ1

The LM5161QPWPRQ1 is a high-efficiency, step-down (buck) switching regulator from Texas Instruments. It is designed to provide a stable output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Description:

The LM5161 is a monolithic step-down switching regulator that features a wide input voltage range, high efficiency, and a low quiescent current. It is available in a small QFN package, making it ideal for space-constrained applications.

Features:

1. Wide input voltage range: The LM5161 can operate from input voltages as low as 2.5V and as high as 38V, making it suitable for a wide range of applications.
2. High efficiency: The LM5161 is designed for high efficiency, with a typical efficiency of up to 96%.
3. Low quiescent current: The LM5161 has a low quiescent current of 3.5μA in burst mode, which helps to minimize power consumption in battery-powered applications.
4. Small package size: The LM5161 is available in a compact 10-pin 2mm x 2mm QFN package, making it ideal for space-constrained applications.
5. Programmable output voltage: The output voltage can be programmed using an external resistor divider, allowing for flexibility in output voltage selection.
6. Protection features: The LM5161 includes over-current protection, over-temperature protection, and under-voltage lockout to protect the device and the system it is powering.

Applications:

The LM5161 is suitable for a wide range of applications, including:

1. Portable devices: Due to its low quiescent current and small package size, the LM5161 is ideal for use in battery-powered portable devices such as smartphones, tablets, and wearables.
2. Power supplies: The LM5161 can be used as a high-efficiency power supply for a variety of applications, including industrial equipment, medical devices, and consumer electronics.
3. LED lighting: The LM5161 can be used to drive LED lighting applications, providing efficient power conversion and dimming control.
4. Telecom equipment: The LM5161 can be used in telecom equipment to provide a stable output voltage from a wide range of input voltages.

Overall, the LM5161QPWPRQ1 is a versatile and efficient step-down switching regulator that is suitable for a wide range of applications. Its small package size, high efficiency, and programmable output voltage make it an ideal choice for space-constrained and power-sensitive applications.