The XC9216A16CMRN is a synchronous step-down DC-DC converter from Torex Semiconductor Ltd. It's designed for applications demanding high efficiency and a compact footprint. This converter integrates both a control IC and an inductor within a single package, streamlining circuit design and minimizing the number of external components required.

Applications

• Powering portable devices
• Smartphones and tablets
• Wearable technology
• IoT (Internet of Things) devices
• Wireless modules and sensors

Features

• Integrated Inductor: Reduces external component count and simplifies board layout.
• Synchronous Rectification: Improves efficiency by using MOSFETs for rectification instead of diodes.
• High Efficiency: Maximizes power conversion efficiency, reducing energy loss and heat generation.
• Low Quiescent Current: Minimizes power consumption when the device is in standby or light load conditions.
• Compact Package: Enables use in space-constrained applications.
• Soft-Start Function: Limits inrush current during startup, ensuring stable operation and preventing voltage drops.
• Overcurrent Protection (OCP): Protects the converter and the load from damage due to excessive current.
• Thermal Shutdown Protection (TSD): Prevents the converter from overheating.

Benefits

• Reduced PCB Area: The integrated inductor minimizes the required board space, allowing for smaller and more compact designs.
• Longer Battery Life: High efficiency and low quiescent current contribute to extended battery life in portable devices.
• Simplified Design: Integration of the inductor simplifies the design process and reduces component count.
• Enhanced Reliability: Overcurrent and thermal shutdown protection features ensure robust and reliable operation.
• Stable Operation: The soft-start function ensures a smooth and controlled startup, preventing voltage drops and system instability.

Additional Details

The XC9216A16CMRN operates with an input voltage range of typically 2.5V to 5.5V, providing a fixed output voltage of 1.6V. It uses a PWM control scheme. Important specifications include switching frequency (around 3MHz), operating temperature range, and package dimensions. The 'N' suffix likely indicates a specific packaging or lead finish option. The device is RoHS compliant.