The LM25085ASD is a high voltage N-Channel MOSFET buck regulator controller from Texas Instruments (formerly National Semiconductor). It's designed to regulate voltage in a wide range of applications, especially those involving high input voltages.

Applications

• Automotive Power Supplies
• Industrial Power Conversion
• Telecommunications Equipment
• Battery Chargers
• Distributed Power Systems

Features

• Wide Input Voltage Range: 4.5V to 42V
• N-Channel MOSFET Controller
• Adjustable Output Voltage
• High Efficiency Operation
• Over-Current Protection
• Thermal Shutdown Protection

Benefits

• Versatile for a wide range of input voltage applications.
• Efficient power conversion with external MOSFET.
• Easy to customize the output voltage.
• Robust protection features for reliable operation.
• Simplified design with minimal external components.

Additional Details

The LM25085ASD typically comes in an SOIC package. Key specifications include the maximum input voltage, switching frequency, and output current capability (dependent on the external MOSFET). The controller operates with an external N-Channel MOSFET and requires external components for current sensing, feedback, and compensation. Consult the datasheet for detailed electrical characteristics, application circuits, and component selection guidelines.