Texas Instruments

LM3481MMX/NOPB  

DC DC Switching Controllers

The LM3481MMX/NOPB is a highly integrated step-down (buck) switching regulator from Texas Instruments. It is designed to provide efficient and precise voltage regulation for a wide range of applications. Here's a brief description, features, and applications of the LM3481MMX/NOPB:

Description:

The LM3481MMX/NOPB is a synchronous, step-down (buck) converter that can accept a wide input voltage range of 4.5V to 38V. It is available in a 10mm x 12mm 3x3 QFN package. The device is designed for high efficiency and offers a wide range of features to support various applications.

Features:

1. Input voltage range: 4.5V to 38V
2. Output voltage: Adjustable from 0.9V to 38V
3. High efficiency: Up to 97% efficiency under typical operating conditions
4. Synchronous rectification: Provides high efficiency and low quiescent current
5. Integrated power MOSFETs: Reduces the number of external components and saves space on the PCB
6. Wide range of switching frequencies: 100kHz to 1MHz programmable frequency
7. Precise output voltage regulation: ±1% accuracy
8. Low quiescent current: 35µA in run mode
9. Protection features: Over-current protection (OCP), over-temperature protection (OTP), and open-loop protection
10. Small form factor: 10mm x 12mm 3x3 QFN package

Applications:

1. Point-of-Load (POL) applications in computing and communication systems
2. Distributed power systems for industrial and automotive applications
3. Power management for battery-powered devices, such as smartphones, tablets, and laptops
4. Power conversion in LED lighting applications
5. Voltage regulation for FPGAs, DSPs, and other high-power integrated circuits
6. Power supply for IoT devices and wearable electronics
7. Medical equipment power management

The LM3481MMX/NOPB is a versatile and efficient step-down converter that can be used in various applications requiring precise voltage regulation and high efficiency. Its integrated features and small form factor make it suitable for space-constrained applications.

LM3481MMX/NOPB Documents

Download datasheets and manufacturer documentation for LM3481MMX/NOPB

PCN Assembly/Origin :

Assembly Site 25/Sep/2020      

Datasheets :

LM3481, LM3481-Q1 Datasheet      

PCN Other :

Multiple Changes 12/Feb/2015      

Design Resources :

LM3481 Design with WEBENCH® Power Designer      

HTML Datasheet :

LM3481, LM3481-Q1 Datasheet