Texas Instruments

LM3648YFFR  

External/Internal LED Drivers

The LM3648YFFR is a high-efficiency step-down switching regulator from Texas Instruments. It is designed to provide a stable and regulated output voltage from a higher input voltage source. Here is a brief description of the model, its features, and applications:

Description:

The LM3648YFFR is a synchronous step-down regulator that can operate from a wide input voltage range. It is available in a compact 3x3mm QFN package, making it suitable for space-constrained applications. The device features a high-efficiency design, which minimizes power dissipation and improves thermal performance.

Features:

1. Wide Input Voltage Range: The LM3648YFFR can accept input voltages from 4V to 23V, making it suitable for a variety of power supply scenarios.
2. High Efficiency: The device achieves high efficiency levels (up to 95%) under various load conditions, which is crucial for battery-powered applications.
3. High Output Current: Capable of delivering a continuous output current of up to 3A, making it suitable for powering demanding loads.
4. Synchronous Rectification: The use of synchronous rectification minimizes the conduction losses and improves efficiency, especially at higher input voltages and lower output voltages.
5. Built-in Protection Features: The regulator includes over-current protection, over-temperature protection, and thermal shutdown to safeguard the device and the system.
6. Small Form Factor: The compact 3x3mm QFN package allows for easy integration into small form factor designs.
7. Adjustable Output Voltage: The output voltage can be set using an external resistor divider, providing flexibility for different output voltage requirements.

Applications:

1. Portable Electronics: Due to its high efficiency and small size, the LM3648YFFR is well-suited for powering portable electronic devices such as smartphones, tablets, and wearables.
2. IoT Devices: The device's efficiency and flexibility make it ideal for powering Internet of Things (IoT) devices that require a stable power supply.
3. Battery-Powered Devices: The high efficiency and wide input voltage range make it suitable for devices that run on batteries, such as laptops, power tools, and medical equipment.
4. Industrial Equipment: The LM3648YFFR can be used in industrial applications where a stable and regulated power supply is required, such as in control systems and sensors.
5. LED Lighting: The device can be used to power LED lighting applications, providing efficient and stable power to the LEDs.

In summary, the LM3648YFFR from Texas Instruments is a versatile and efficient step-down switching regulator that can be used in a wide range of applications, from portable electronics to industrial equipment, thanks to its high efficiency, wide input voltage range, and compact form factor.

LM3648YFFR Documents

Download datasheets and manufacturer documentation for LM3648YFFR

PCN Assembly/Origin :

Mult Devices 25/Mar/2019      

Datasheets :

LM3648(TT) Datasheet      

Design Resources :

Lighting Product Selector      

HTML Datasheet :

LM3648(TT) Datasheet