Manufacturer Part Number
LM2597M-12
Manufacturer
Texas Instruments
Introduction
The LM2597M-12 is a fixed-frequency PWM step-down DC-DC converter, part of Texas Instruments' SIMPLE SWITCHER® series.
Product Features and Performance
Step-Down (Buck) Regulator Topology
Fixed 12V Output Voltage
Output Current Capability of 500mA
5V to 40V Input Voltage Range
150kHz Switching Frequency
Thermal Shutdown and Current Limit Protection
No Synchronous Rectification
Operational Temperature Range from -40°C to 125°C
Product Advantages
High Efficiency due to SIMPLE SWITCHER® Technology
Easy to Use with Minimal External Components
Stable Operation with a Wide Range of Input Voltages
Compact 8-SOIC Package Saves Board Space
Key Technical Parameters
Voltage - Input (Min): 4.5V
Voltage - Input (Max): 40V
Voltage - Output (Min/Fixed): 12V
Current - Output: 500mA
Frequency - Switching: 150kHz
Operating Temperature: -40°C to 125°C
Quality and Safety Features
Built-In Thermal Shutdown
Overcurrent Protection
Short Circuit Protection
Compatibility
Designed for Surface Mount Technology
Compatible with a Variety of Capacitors and Inductors for Output Filtering
Application Areas
Consumer Electronics
Networking
Telecommunications
Power Supply Modules
Industrial Applications
Product Lifecycle
Obsolete Status
Replacement or Upgrade Options May Be Available
Several Key Reasons to Choose This Product
Guaranteed Performance from a Trusted Manufacturer
Ease of Integration into Existing Designs
Reliability Under a Broad Range of Operating Conditions
Good Thermal Performance Enhancing System Longevity
Suitable for a Variety of Power Regulation Applications
LM2597M-1.2NS