Microchip MCP16331T-E/CH Buck Step Down Regulator, 500mA, 500kHz, SOT-23-6

The Microchip MCP16331T-E/CH is a highly integrated, high-efficiency, fixed-frequency step-down DC-DC converter designed to operate from input voltage sources up to 50V. This compact solution integrates a high-side switch, fixed-frequency peak current-mode control, internal compensation, peak current limit, and over-temperature protection, ensuring reliable performance in a wide range of applications.

With a 0.5A output current capability, adjustable output voltage, and a 500kHz fixed switching frequency, the converter achieves up to 96% efficiency while minimizing the size of external filtering components. The device features a low 6μA shutdown current, internal soft-start, cycle-by-cycle peak current limit, and under-voltage lockout (UVLO) with 4.1V start and 3.6V stop thresholds.

Key Features

• Up to 96% efficiency
• ±2% output voltage accuracy
• 500kHz fixed frequency
• Adjustable output voltage
• 6μA low device shutdown current
• Peak current-mode control with internal compensation
• Internal soft-start
• Cycle-by-cycle peak current limit
• Over-temperature protection
• AEC-Q100 qualified for automotive applications

Applications

• Power management
• Industrial equipment
• Consumer electronics
• Automotive systems
• Metering devices
• Medical equipment

Important Note: This is an ESD-sensitive device. Proper handling precautions should be observed to prevent damage. Due to market demand, lead times may be extended, and delivery dates may fluctuate. This product is exempt from discounts.