Manufacturer Part Number
LM2678S-ADJ
Manufacturer
Texas Instruments
Introduction
The LM2678S-ADJ is a high-efficiency, SIMPLE SWITCHER® step-down (buck) voltage regulator with adjustable output, designed for a wide range of applications requiring a regulated power supply.
Product Features and Performance
Adjustable output voltage from 1.21V to 37V
Capable of delivering 5A output current
Input voltage range from 8V to 40V
260kHz switching frequency for efficient operation
SIMPLE SWITCHER® technology for easy design and stable operation
Buck topology for step-down voltage regulation
Operates at a junction temperature range of -40°C to 125°C
Product Advantages
High efficiency for power saving applications
Wide input voltage range suitable for diverse applications
Simple external circuitry reduces design complexity
High current capability supports a wide range of loads
Thermal shutdown and current limit for enhanced reliability
Key Technical Parameters
Voltage Input (Min): 8V
Voltage Input (Max): 40V
Voltage Output (Min/Fixed): 1.21V
Voltage Output (Max): 37V
Current Output: 5A
Frequency Switching: 260kHz
Operating Temperature: -40°C ~ 125°C (TJ)
Quality and Safety Features
Over-temperature protection
Current limit protection
Built-in thermal shutdown
Compatibility
Surface mount packaging for easy integration into various designs
Compatible with a wide range of input voltages and load conditions
Application Areas
Consumer Electronics
Networking equipment
Industrial applications
Telecommunications equipment
Product Lifecycle
Product status: Last Time Buy
Indication of nearing discontinuation with advice to seek replacements or planning for upgrades
Several Key Reasons to Choose This Product
High efficiency and performance ideal for power-intensive applications
Wide input voltage range accommodates fluctuating supply voltages
Configurable output voltage provides design flexibility
High current output supports a broad spectrum of applications
Built-in safety features ensure long-term reliability
Backed by Texas Instruments' quality and support