Texas Instruments

LM5085QMYE/NOPB  

DC DC Switching Controllers

The LM5085QMYE/NOPB is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a stable output voltage from a higher input voltage. Here is a description of the model, its features, and applications:

Description:

The LM5085QMYE/NOPB is a monolithic step-down regulator that integrates a power MOSFET, a low resistance current sense resistor, and a precision voltage reference. It is available in a compact QFN package, which makes it suitable for space-constrained applications.

Features:

1. High Efficiency: The LM5085QMYE/NOPB offers high efficiency of up to 98%, which makes it ideal for power-sensitive applications.
2. Wide Input Voltage Range: It can handle input voltages from 4V to 40V, making it suitable for a wide range of power supply requirements.
3. Synchronous Rectification: The device uses synchronous rectification, which reduces the power dissipation and increases the efficiency, especially at higher input voltages.
4. Precision Voltage Reference: The integrated precision voltage reference ensures a stable and accurate output voltage.
5. Low Dropout Voltage: The LM5085QMYE/NOPB can operate with a low dropout voltage, which is beneficial when the input voltage is close to the desired output voltage.
6. Short Circuit Protection: The device has built-in short circuit protection to prevent damage in case of a short circuit.
7. Overcurrent Protection: It also features overcurrent protection to prevent damage due to excessive current draw.
8. Thermal Shutdown: The LM5085QMYE/NOPB has a thermal shutdown feature that protects the device from overheating.

Applications:

1. Portable Electronics: Due to its high efficiency and wide input voltage range, the LM5085QMYE/NOPB is well-suited for use in portable electronic devices such as smartphones, tablets, and laptops.
2. Power Supplies: It can be used in battery-powered systems where a stable output voltage is required.
3. Telecommunications: The device can be used in power supply systems for telecommunications equipment.
4. Industrial Equipment: The LM5085QMYE/NOPB can also be used in industrial equipment where a stable and efficient power supply is required.

In summary, the LM5085QMYE/NOPB is a versatile and efficient step-down regulator that can be used in a wide range of applications where a stable and efficient power supply is required. Its high efficiency, wide input voltage range, and built-in protection features make it a reliable choice for many power supply needs.

LM5085QMYE/NOPB Documents

Download datasheets and manufacturer documentation for LM5085QMYE/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