Manufacturer Part Number
LM2575S-12
Manufacturer
Texas Instruments
Introduction
LM2575S-12 is a monolithic integrated circuit for voltage step-down (buck) regulation
Product Features and Performance
Simple high-efficiency step-down (buck) regulator
Fixed 12V output voltage
Output current capability of 1A
Wide input voltage range from 4V to 40V
52kHz fixed frequency internal oscillator
Thermal shutdown and current limit protection
Product Advantages
High-efficiency, thereby reducing energy consumption
Requires minimal external components for easy design and space savings
Thermal protection enhances safety and reliability
Suitable for battery-operated devices due to wide input range
Key Technical Parameters
Input Voltage (Min): 4V
Input Voltage (Max): 40V
Output Voltage (Fixed): 12V
Current - Output: 1A
Switching Frequency: 52kHz
Topology: Buck
Operating Temperature Range: -40°C to 125°C
Quality and Safety Features
Built-in thermal shutdown
Current limit protection
Over-temperature protection
Compatibility
Compatible with a variety of capacitors and inductors to tailor performance
Application Areas
Power supplies for consumer electronics
Step-down modules for embedded systems
Battery chargers
Automotive electronics
Product Lifecycle
Obsolete - consult Texas Instruments for replacement or alternative products
Several Key Reasons to Choose This Product
Simplified design process due to SIMPLE SWITCHER® technology
High integration level reduces external part count, saving space and cost
Broad industry acceptance and proven reliability
Extended operating temperature range suitable for industrial applications
Direct replacement for other LM2575 series devices for easy upgrade or redesign