Texas Instruments

LM5021MM-2/NOPB  

AC DC Converters, Offline Switches

The Texas Instruments LM5021MM-2/NOPB is a highly integrated, step-down (buck) converter with a wide input voltage range of 4.5V to 28V. It is designed for applications that require high efficiency and a compact solution.

Description:

The LM5021MM-2/NOPB is a synchronous, step-down (buck) converter that uses a constant on-time control scheme to regulate the output voltage. It features a wide input voltage range, making it suitable for a variety of applications. The device is available in a small, 20-pin, 3mm x 4mm QFN package, making it ideal for space-constrained applications.

Features:

1. Wide input voltage range: 4.5V to 28V
2. High efficiency: up to 96%
3. Constant on-time control scheme for fast transient response and low output ripple
4. Integrated high-side and low-side MOSFET drivers
5. Programmable soft-start
6. Over-current protection
7. Thermal shutdown
8. Small, 20-pin, 3mm x 4mm QFN package

Applications:

The LM5021MM-2/NOPB is suitable for a wide range of applications that require a highly efficient, compact step-down converter. Some potential applications include:

1. Industrial and automotive systems
2. Portable electronics, such as smartphones, tablets, and laptops
3. Power supplies for IoT devices and wearables
4. LED lighting systems
5. Medical equipment
6. Telecom and networking equipment

The LM5021MM-2/NOPB's combination of high efficiency, wide input voltage range, and small form factor make it an ideal choice for designers looking to create compact, energy-efficient power solutions for a variety of applications.

LM5021MM-2/NOPB Documents

Download datasheets and manufacturer documentation for LM5021MM-2/NOPB

Datasheets :

LM5021MMX-2      

Reference Design Library :

RD-166: 2.5W, 5V @ 500mA, 100 ~ 240VAC      

Design Resources :

Load Detecting Pwr Supply RD-166      

PCN Obsolescence/ EOL :

EOL 27/Oct/2023      

PCN Design/Specification :

Copper Wire Revision A 19/Jan/2015       Copper Wire Base Metal 29/Sep/2014