Texas Instruments

LM7321QMF/NOPB  

OP Amps, Buffer Amps ICs

The LM7321QMF/NOPB is a high-performance, low-power, step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and stable power conversion for a wide range of applications. Here's a brief description of the model, its features, and potential applications:

Model: LM7321QMF/NOPB

Description:

The LM7321QMF/NOPB is a synchronous buck regulator that can operate with an input voltage range of 4.5V to 22V and provide an adjustable output voltage as low as 0.9V. It is available in a compact QFN package, making it suitable for space-constrained applications.

Features:

1. High Efficiency: The LM7321QMF/NOPB offers high efficiency of up to 95%, which is crucial for battery-powered devices to extend their operational time.
2. Wide Input Voltage Range: It can handle input voltages from 4.5V to 22V, making it versatile for various power supply scenarios.
3. Adjustable Output Voltage: The output voltage can be set as low as 0.9V, providing flexibility for different output requirements.
4. Low Quiescent Current: The device has a low quiescent current, which is beneficial for applications where power consumption needs to be minimized.
5. Synchronous Rectification: It uses synchronous rectification to improve efficiency, especially at light loads.
6. Short Circuit Protection: The regulator has built-in protection against short circuits, which can help prevent damage to the device or the load.
7. Thermal Protection: It includes thermal shutdown protection to prevent damage due to overheating.
8. Small Form Factor: The QFN package allows for easy integration into compact designs.

Applications:

1. Portable Electronics: Due to its high efficiency and low quiescent current, the LM7321QMF/NOPB is ideal for powering portable devices like smartphones, tablets, and wearables.
2. IoT Devices: Its compact size and adjustable output make it suitable for powering Internet of Things (IoT) devices, where space and power efficiency are critical.
3. Medical Devices: The regulator can be used in battery-operated medical devices that require stable and efficient power conversion.
4. Industrial Equipment: It can be used in industrial applications where a stable and efficient power supply is needed, such as in sensors or control systems.
5. Automotive Applications: The LM7321QMF/NOPB can be used in automotive electronics for power management, such as infotainment systems or advanced driver-assistance systems (ADAS).

When using the LM7321QMF/NOPB, it's important to consult the datasheet for detailed information on its electrical characteristics, operating conditions, and specific application guidelines to ensure proper operation and reliability.

LM7321QMF/NOPB Documents

Download datasheets and manufacturer documentation for LM7321QMF/NOPB

PCN Assembly/Origin :

LM732YYY 26/Mar/2018      

Datasheets :

Automotive OP Amp Brochure       LM7321,322(Q)      

PCN Packaging :

Pin One Dot 07/Jan/2019      

PCN Obsolescence/ EOL :

New Replacement Products 06/Jun/2023       EOL 22/May/2023