Texas Instruments

LM4990MM/NOPB

The LM4990MM/NOPB is a high-efficiency, synchronous, step-down switching regulator from Texas Instruments. It is designed to provide a stable output voltage to a wide range of applications, including automotive, industrial, and consumer electronics.

Description:

The LM4990MM/NOPB is a highly integrated, high-efficiency step-down converter that can operate from input voltages ranging from 4.5V to 28V. It features a wide output voltage range of 0.6V to 10V and can deliver output currents up to 3A. The device is available in a 24-pin, 4mm x 5mm QFN package.

Features:

1. High Efficiency: The LM4990MM/NOPB offers high efficiency up to 98%, making it ideal for power-sensitive applications.
2. Wide Input Voltage Range: The device can operate from input voltages ranging from 4.5V to 28V, making it suitable for a wide range of applications.
3. Synchronous Rectification: The LM4990MM/NOPB uses synchronous rectification to minimize power losses and improve efficiency.
4. Programmable Soft Start: The device features a programmable soft-start function that helps reduce inrush current and minimize output voltage overshoot during startup.
5. Protection Features: The LM4990MM/NOPB includes over-current protection, over-temperature protection, and output short-circuit protection to ensure reliable operation.
6. Small Form Factor: The device is available in a compact 24-pin, 4mm x 5mm QFN package, making it suitable for space-constrained applications.

Applications:

1. Automotive Applications: The LM4990MM/NOPB can be used in automotive applications such as infotainment systems, instrument clusters, and lighting systems.
2. Industrial Applications: The device can be used in industrial applications such as motor drives, power supplies, and control systems.
3. Consumer Electronics: The LM4990MM/NOPB can be used in consumer electronics such as smartphones, tablets, and laptops to provide a stable output voltage to sensitive components.
4. Medical Devices: The device can be used in medical devices such as portable medical instruments and wearable devices to provide a stable power supply.
5. Telecommunications: The LM4990MM/NOPB can be used in telecommunications equipment such as base stations and routers to provide a stable power supply.

In summary, the LM4990MM/NOPB is a high-efficiency, synchronous, step-down switching regulator from Texas Instruments that offers a wide range of features and is suitable for a variety of applications, including automotive, industrial, and consumer electronics.