MCP16331 Asynchronous Buck Converter The MCP16331 is a highly integrated, high-efficiency, fixed frequency, step-down DC-DC converter in a popular 6-pin SOT-23 or 8-pin TDFN 2x3 package that operates from input voltage sources up to 50V. Integrated features include a high side switch, fixed frequency Peak Current Mode Control, internal compensation, peak current limit and overtemperature protection. Minimal external components are necessary to develop a complete step-down DC-DC converter power supply. Features

• Up to 96% Efficiency


• Input Voltage Range: 4.4V to 50V


• Output Voltage Range: 2.0V to 24V


• 2% Output Voltage Accuracy


• Minimum 500 mA Output Current


• 500 kHz Fixed Frequency


• Adjustable Output Voltage


• Low Device Shutdown Current: 6 uA


• Peak Current Mode Control


• Internal Compensation


• Internal Soft-Start


• Cycle-by-Cycle Peak Current Limit


• Undervoltage Lockout (UVLO): 4.1V to Start; 3.6V to Stop


• Overtemperature Protection


• Available Package: 6-Lead SOT-23, 8-Lead 2x3 TDFN