Texas Instruments

LM3478MMX/NOPB  

DC DC Switching Controllers

The LM3478MMX/NOPB is a highly integrated step-down (buck) converter from Texas Instruments. It is designed to provide efficient and precise voltage regulation for a wide range of applications.

Description:

The LM3478MMX/NOPB is a synchronous, step-down (buck) converter with a wide input voltage range of 4.5V to 38V. It is available in a compact 20-lead, 4mm x 5mm QFN package. The device features a high-efficiency, high-precision, and low-noise design, making it suitable for a variety of applications.

Features:

1. Wide input voltage range: 4.5V to 38V
2. High efficiency: up to 95% depending on the input voltage and output current
3. High precision: output voltage accuracy of ±1%
4. Low-noise operation: low ripple and noise levels
5. Synchronous rectification: improves efficiency, especially at light loads
6. Programmable soft-start: reduces inrush current during startup
7. Protection features: over-current protection, over-temperature protection, and thermal shutdown
8. Small form factor: 20-lead, 4mm x 5mm QFN package

Applications:

1. Portable devices: smartphones, tablets, and laptops
2. Industrial equipment: motor controllers, sensors, and control systems
3. Automotive electronics: infotainment systems, instrument clusters, and lighting
4. Medical devices: portable medical equipment, patient monitoring systems
5. Lighting: LED drivers for general lighting, streetlights, and automotive lighting
6. Telecommunications: base stations, routers, and network equipment
7. Consumer electronics: TVs, gaming consoles, and home appliances

The LM3478MMX/NOPB is a versatile and efficient step-down converter suitable for a wide range of applications, from portable devices to industrial equipment. Its high efficiency, precision, and low-noise operation make it an excellent choice for designers looking for a reliable and compact power solution.

LM3478MMX/NOPB Documents

Download datasheets and manufacturer documentation for LM3478MMX/NOPB

PCN Assembly/Origin :

Assembly Site 25/Sep/2020      

Datasheets :

LM3478      

UNKNOWN TYPE :

8-VSSOP      

PCN Other :

Multiple Changes 12/Feb/2015      

Design Resources :

LM3478 Design with WEBENCH® Power Designer      

PCN Design/Specification :

LM3478 08/Feb/2018       Wire Chg 19/Mar/2016