Texas Instruments

LM5019MRX/NOPB

The Texas Instruments LM5019MRX/NOPB is a highly integrated, step-down (buck) switching regulator with a wide input voltage range and high efficiency. It is designed to provide a stable output voltage for a variety of applications.

Description:

The LM5019MRX/NOPB is a highly integrated step-down switching regulator that uses a constant on-time control scheme to regulate the output voltage. It has a wide input voltage range of 4.5V to 22V and can deliver up to 3A of continuous output current. The device is available in a compact 20-pin 3mm x 4mm WQFN package.

Features:

1. Wide input voltage range: 4.5V to 22V
2. High efficiency: up to 96% efficiency
3. Up to 3A continuous output current
4. Low quiescent current: 35µA in burst mode
5. Constant on-time control scheme for fast transient response
6. Programmable soft-start
7. Over-current protection
8. Over-temperature protection
9. Output under-voltage lockout
10. 20-pin 3mm x 4mm WQFN package

Applications:

The LM5019MRX/NOPB is suitable for a wide range of applications that require a stable output voltage with high efficiency and low quiescent current. Some of the key applications include:

1. Portable devices: smartphones, tablets, and wearables
2. Power banks and USB chargers
3. Industrial and automotive systems
4. LED lighting and drivers
5. Medical equipment
6. IoT devices and smart home applications
7. Telecom and networking equipment

In summary, the Texas Instruments LM5019MRX/NOPB is a highly efficient and versatile step-down switching regulator that can be used in a wide range of applications requiring a stable output voltage and high efficiency. Its compact form factor and low quiescent current make it an ideal choice for portable and battery-powered devices.