Texas Instruments

LMR62421XSDE/NOPB  

DC Switching Voltage Regulators

The LMR62421XSDE/NOPB is a highly integrated step-down switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a variety of applications.

Description:

The LMR62421XSDE/NOPB is a synchronous step-down regulator that can operate from an input voltage range of 4.75V to 22V. It is available in a 20-pin, 3mm x 4mm, RoHS-compliant, lead (Pb) frame package. The device features a wide output voltage range of 0.9V to 5.5V and can deliver a maximum output current of 2A.

Features:

1. High Efficiency: The LMR62421XSDE/NOPB offers high efficiency of up to 93%, which helps to minimize power dissipation and reduce the need for external heatsinks.
2. Wide Input Voltage Range: The device can operate from an input voltage range of 4.75V to 22V, making it suitable for a variety of power supply scenarios.
3. Programmable Output Voltage: The output voltage can be programmed using an external resistor network, providing flexibility for different output voltage requirements.
4. High-Accuracy Current Limit: The device features a high-accuracy current limit of ±2%, which helps to protect the system from overcurrent conditions.
5. Small Form Factor: The LMR62421XSDE/NOPB is available in a compact 20-pin package, making it suitable for space-constrained applications.
6. Protection Features: The device includes various protection features such as over-current protection, over-temperature protection, and output short-circuit protection.

Applications:

The LMR62421XSDE/NOPB is suitable for a wide range of applications that require efficient and stable power conversion. Some of the key applications include:

1. Portable Devices: The device can be used to provide power to portable devices such as smartphones, tablets, and wearables.
2. Industrial Equipment: The LMR62421XSDE/NOPB can be used in industrial equipment that requires a stable and efficient power supply.
3. Medical Devices: The device can be used in medical devices that require a regulated power supply with high accuracy and reliability.
4. Consumer Electronics: The LMR62421XSDE/NOPB can be used in consumer electronics such as laptops, TVs, and gaming consoles.
5. Telecom Equipment: The device can be used in telecom equipment that requires a stable and efficient power supply.

In summary, the LMR62421XSDE/NOPB is a highly integrated step-down switching regulator from Texas Instruments that offers high efficiency, a wide input voltage range, programmable output voltage, and various protection features. It is suitable for a variety of applications that require efficient and stable power conversion.

LMR62421XSDE/NOPB Documents

Download datasheets and manufacturer documentation for LMR62421XSDE/NOPB

Datasheets :

LMR62421 Datasheet      

Reference Design Library :

LMR62421XSDDEMO: 12V @ 500mA, 2.7 ~ 5.5V in      

Design Resources :

LMR62421X Design with WEBENCH® Power Designer      

HTML Datasheet :

LMR62421 Datasheet      

PCN Design/Specification :

Cu Wire 21/Mar/2017