Manufacturer Part Number
LM2678S-12
Manufacturer
Texas Instruments
Introduction
The LM2678S-12 is part of Texas Instruments' SIMPLE SWITCHER® series, designed as a step-down (buck) regulator for converting higher voltage to lower voltage with high efficiency.
Product Features and Performance
Step-down voltage regulator
Positive output configuration
Buck topology for efficient power conversion
Fixed output voltage of 12V
Capable of delivering 5A output current
Operates at a switching frequency of 260kHz
Non-synchronous rectifier design
Operational over a wide temperature range from -40°C to 125°C
Product Advantages
High efficiency reduces thermal footprint
Designed for simplicity and ease of use
Supports a wide input voltage range (15V to 40V) suitable for various applications
High current output capacity of 5A meets the demands of numerous high-power applications
Robust thermal performance ensures reliability over a wide operating temperature range
Key Technical Parameters
Voltage Input (Min): 15V
Voltage Input (Max): 40V
Voltage Output (Min/Fixed): 12V
Current Output: 5A
Frequency Switching: 260kHz
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Built to Texas Instruments' rigorous quality specifications
Operates reliably across a wide temperature range, ensuring operational integrity in demanding conditions
Compatibility
Surface mount package (TO-263-8, D2PAK) ensures compatibility with a wide range of PCB designs
Application Areas
Ideal for high-efficiency power supply designs
Suitable for industrial, automotive, and telecommunications equipment
Can be used in battery-powered devices requiring efficient power conversion
Product Lifecycle
Marked as Last Time Buy indicating that it is nearing discontinuation
Users are advised to consider securing sufficient stock or exploring replacements or upgrades
Several Key Reasons to Choose This Product
High-efficiency step-down regulation to meet stringent power requirements
Support for a wide input voltage range offers flexibility in design
High current output capability is ideal for demanding applications
Texas Instruments' reputation for reliability and quality
Comprehensive operation range making it suitable for a variety of under-hood and on-board automotive applications
Last Time Buy status makes it essential for legacy system maintenance
LM2678S-3.3/NOPBTexas Instruments
LM2678S-ADJ MOSNS