The MIC68200-2.5YML is a high-efficiency, synchronous step-down regulator manufactured by Micrel (now Microchip Technology). It is designed for point-of-load (POL) applications requiring a stable and accurate 2.5V output voltage from a wide input voltage range. This regulator integrates power MOSFETs and compensation circuitry to simplify design and minimize external components.

Applications:

• Point-of-Load Regulation: Powering microprocessors, FPGAs, and other digital ICs.
• Industrial Control Systems: Powering sensors, actuators, and other industrial components.
• Telecommunications Equipment: Powering telecom modules and subsystems.
• Networking Equipment: Powering network processors and ASICs.

Features:

• Output Voltage: Fixed 2.5V output voltage.
• Input Voltage Range: Wide input voltage range, typically 4.5V to 26V.
• Output Current: Up to 2A continuous output current.
• Integrated MOSFETs: Internal high-side and low-side power MOSFETs.
• Synchronous Rectification: Improves efficiency by replacing the diode with a MOSFET.
• Internal Compensation: Simplifies design and reduces external component count.
• Over-Current Protection: Protects the regulator and load from over-current conditions.
• Over-Temperature Protection: Protects the regulator from overheating.

Benefits:

• High Efficiency: Synchronous rectification and integrated MOSFETs contribute to high efficiency.
• Simplified Design: Internal compensation simplifies the design process and reduces component count.
• Compact Solution: Integrated solution minimizes board space requirements.
• Reliable Operation: Over-current and over-temperature protection ensure reliable operation.
• Accurate Output Voltage: Provides a stable and accurate 2.5V output voltage.

Additional Details:

The MIC68200-2.5YML is typically available in a small surface-mount package such as a MLF or QFN. The switching frequency is typically in the hundreds of kHz range, which allows for the use of smaller external components. The regulator includes enable and soft-start features. The operating temperature range is typically -40°C to +125°C. Detailed specifications, including the switching frequency and efficiency curves, are available in the manufacturer's datasheet. Proper thermal management is important to ensure reliable operation, especially at higher output currents.