Texas Instruments

LM21212MHX-2/NOPB  

DC Switching Voltage Regulators

The LM21212MHX-2/NOPB is a high-efficiency synchronous step-down (buck) regulator from Texas Instruments. It is designed to provide a regulated output voltage from a higher input voltage source. Here is a description of the model, its features, and applications:

Description:

The LM21212MHX-2/NOPB is a member of the Simple Switcher family of power management devices. It is a monolithic, high-frequency, step-down switch regulator that requires a minimal number of external components. This device is available in a small, thermally enhanced, 10-pin 1.4mm pitch WQFN (Welded Quad Flat, No-Leads) package.

Features:

1. High Efficiency: The LM21212MHX-2/NOPB offers high efficiency, which can be crucial for battery-powered applications to extend battery life.
2. Synchronous Rectification: It uses synchronous rectification, which allows the regulator to operate with low quiescent current and high efficiency over a wide load range.
3. Wide Input Voltage Range: It can handle a wide range of input voltages, making it suitable for various power supply scenarios.
4. Output Voltage Regulation: The device provides a stable and regulated output voltage, which is essential for the reliable operation of sensitive electronic equipment.
5. Thermal Protection: It includes thermal shutdown and over-temperature warning features to protect against overheating.
6. Small Form Factor: The compact package size makes it suitable for applications where space is at a premium.
7. High Frequency Operation: Operating at high frequencies allows for the use of smaller external components, further reducing the overall size of the power supply.

Applications:

1. Portable Electronics: Due to its high efficiency and small size, the LM21212MHX-2/NOPB is ideal for powering portable electronic devices such as smartphones, tablets, and wearables.
2. Power Banks: It can be used in power banks to efficiently step down voltage from a battery to charge or power devices.
3. Medical Devices: For medical equipment that requires a stable and regulated power supply, this device can ensure reliable operation.
4. Industrial Equipment: In industrial settings, where reliability and efficiency are paramount, the LM21212MHX-2/NOPB can be used to power various electronic components.
5. Telecommunications: For base stations and other telecommunications equipment, this regulator can provide a stable power supply.

When using the LM21212MHX-2/NOPB, it is important to follow the manufacturer's guidelines and design considerations to ensure the device operates within its specified parameters and to achieve the desired performance.

LM21212MHX-2/NOPB Documents

Download datasheets and manufacturer documentation for LM21212MHX-2/NOPB

Datasheets :

LM21212-2      

Design Resources :

LM21212-2 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM21212-2