The XC9216A25CMRN is a synchronous step-down DC-DC converter manufactured by Torex Semiconductor Ltd. It's designed for applications needing highly efficient power conversion within a small footprint. This device integrates the control IC and the inductor into a single package, minimizing external components and simplifying board layout.

Applications

• Power management in portable electronics
• Smartphones and tablets
• Wearable devices (smartwatches, fitness trackers)
• IoT (Internet of Things) devices
• Wireless communication modules

Features

• Integrated Inductor: Reduces the number of external components and simplifies circuit board layout.
• Synchronous Rectification: Improves efficiency by using a MOSFET for rectification instead of a diode.
• High Efficiency: Minimizes power loss and heat generation, leading to longer battery life.
• Low Quiescent Current: Reduces power consumption in standby mode.
• Compact Package: Suitable for space-constrained applications.
• Soft-Start Function: Limits inrush current during startup, preventing voltage drops and ensuring stable operation.
• Overcurrent Protection (OCP): Protects the converter and load from excessive current.
• Thermal Shutdown Protection (TSD): Protects the converter from overheating.

Benefits

• Reduced PCB Area: The integrated inductor minimizes required board space.
• Longer Battery Life: High efficiency and low quiescent current extend battery life in portable devices.
• Simplified Design: Integration simplifies design and reduces component count.
• Enhanced Reliability: Overcurrent and thermal shutdown protection enhance device robustness.
• Stable Startup: Soft-start function ensures stable operation during startup.

Additional Details

The XC9216A25CMRN typically operates with an input voltage range of 2.5V to 5.5V and provides a fixed output voltage of 2.5V. It uses a PWM control scheme for regulation. Key specifications include a switching frequency around 3MHz, operating temperature range, and package dimensions. The 'N' suffix may indicate a specific packaging or lead finish variant. The device is RoHS compliant.