Texas Instruments

LM5085QMYX/NOPB  

DC DC Switching Controllers

The LM5085QMYX/NOPB is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a higher input voltage source. Here is a brief description of the model, its features, and applications:

Description:

The LM5085QMYX/NOPB is a monolithic step-down switching regulator that offers high efficiency and a wide input voltage range. It is capable of delivering a continuous output current of up to 3A and features a wide output voltage range of 0.9V to 5.5V. The device is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The LM5085QMYX/NOPB offers high efficiency up to 96%, which helps in reducing power dissipation and improving overall system performance.
2. Wide Input Voltage Range: The device can operate with an input voltage range of 4V to 40V, making it suitable for a wide range of applications.
3. Programmable Output Voltage: The output voltage can be easily programmed using external resistors, providing flexibility for different applications.
4. Synchronous Rectification: The device uses synchronous rectification, which improves efficiency by reducing conduction losses in the output stage.
5. Low Quiescent Current: The LM5085QMYX/NOPB has a low quiescent current of 35µA in normal operation, which helps in reducing power consumption during light load conditions.
6. Protection Features: The device includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection.
7. Small Package Size: The regulator is available in a compact 20-pin 3x3mm QFN package, making it suitable for space-constrained applications.

Applications:

1. Portable Electronics: The LM5085QMYX/NOPB can be used in portable devices like smartphones, tablets, and wearable devices to provide a regulated output voltage for the battery.
2. Power Supplies: The device can be used in battery-powered systems as a step-down converter to provide a stable output voltage from a higher input voltage source.
3. Industrial Equipment: The LM5085QMYX/NOPB can be used in industrial equipment to provide a regulated power supply for sensitive components.
4. LED Lighting: The device can be used in LED lighting applications to provide a stable and efficient power supply for the LEDs.
5. Medical Devices: The LM5085QMYX/NOPB can be used in medical devices to provide a regulated power supply for sensitive electronic components.

In summary, the LM5085QMYX/NOPB is a high-efficiency synchronous step-down regulator from Texas Instruments that offers a wide input voltage range, programmable output voltage, and various protection features. It is suitable for a wide range of applications, including portable electronics, power supplies, industrial equipment, LED lighting, and medical devices.

LM5085QMYX/NOPB Documents

Download datasheets and manufacturer documentation for LM5085QMYX/NOPB

Datasheets :

LM5085      

Reference Design Library :

LM5085EVAL: 5V @ 4.5A, 5.5 ~ 55V in      

Design Resources :

LM5085-Q1 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM5085