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The NCP4202 is a synchronous buck controller manufactured by ON Semiconductor.

Specifications:

• Input Voltage Range: 4.5V to 13.2V
• Output Voltage Range: Adjustable down to 0.6V
• Switching Frequency: Adjustable (300kHz to 1MHz)
• Output Current: Supports high-current applications (external MOSFETs required)
• Efficiency: High efficiency with adaptive dead-time control
• Control Method: Voltage-mode control with feed-forward compensation
• Protection Features:
• Overcurrent protection (OCP)
• Overvoltage protection (OVP)
• Undervoltage lockout (UVLO)
• Thermal shutdown
• Package: 16-pin QFN

Descriptions:

The NCP4202 is a high-performance, synchronous buck controller designed for high-current DC-DC applications. It integrates advanced control features to optimize efficiency and transient response. The device supports external MOSFETs for flexible power stage design.

Features:

• Adaptive Dead-Time Control: Minimizes body diode conduction losses
• Programmable Soft-Start: Reduces inrush current
• Power-Good Indicator: Monitors output voltage status
• External Synchronization Capability: Allows frequency synchronization with an external clock
• Pre-Biased Startup Support: Prevents negative current during startup

This controller is commonly used in servers, networking equipment, and high-performance computing systems.

(Note: Always refer to the official datasheet for detailed specifications and application guidelines.)