Texas Instruments

LM5122MHE/NOPB  

DC DC Switching Controllers

The LM5122MHE/NOPB is a high-efficiency, step-down (buck) switching regulator from Texas Instruments. It is designed to provide a stable and efficient power supply for a wide range of applications. Here is a description of the model, its features, and potential applications:

Description:

The LM5122MHE/NOPB is a monolithic step-down switching regulator that integrates a high-side power MOSFET and a low-side power MOSFET. It offers a high level of integration, which reduces the number of external components required, making it suitable for compact and efficient power supply designs.

Features:

1. High Efficiency: The LM5122MHE/NOPB is designed for high efficiency, which can be crucial in battery-powered applications to extend battery life.

2. Wide Input Voltage Range: It can operate with a wide range of input voltages, making it versatile for different power supply sources.

3. High Output Current: The device is capable of delivering high output currents, suitable for powering demanding loads.

4. Integrated MOSFETs: The high-side and low-side power MOSFETs are integrated, reducing the need for external components and simplifying the design.

5. Synchronization Capability: It can operate in synchronous mode, which can improve efficiency at light loads.

6. Soft Start: The device features a soft-start function to minimize inrush current and reduce EMI.

7. Protection Features: It includes over-current protection, over-temperature protection, and under-voltage lockout to ensure safe operation.

8. Small Package: The LM5122MHE/NOPB comes in a compact package, which is beneficial for space-constrained applications.

Applications:

1. Portable Electronics: Due to its high efficiency and wide input voltage range, it is ideal for powering portable devices like smartphones, tablets, and laptops.

2. Power Adapters: It can be used in power adapters for a variety of electronic devices, providing a regulated output voltage.

3. Industrial Equipment: The robust protection features make it suitable for industrial applications where reliability and safety are paramount.

4. Medical Devices: The LM5122MHE/NOPB can be used in medical equipment that requires a stable and efficient power supply.

5. Telecommunications: It can provide a stable power supply for base stations and other telecommunications equipment.

6. LED Lighting: The device can be used in LED lighting applications to provide efficient power conversion and control.

7. Automotive Applications: It can be used in automotive systems where a regulated power supply is required.

The LM5122MHE/NOPB is a versatile and efficient switching regulator that can be used in a wide range of applications where a stable and efficient power supply is needed. Its high integration and protection features make it a reliable choice for designers looking to create compact and efficient power supply solutions.

LM5122MHE/NOPB Documents

Download datasheets and manufacturer documentation for LM5122MHE/NOPB

PCN Assembly/Origin :

LM5122MHyy Assembly 07/Dec/2023      

Datasheets :

LM5122(-Q1) Datasheet      

Design Resources :

LM5122 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM5122(-Q1) Datasheet      

PCN Design/Specification :

LM5122 17/Jul/2017       Cu Wire 21/Mar/2017