The XC6401EE92DR is a synchronous step-down DC-DC converter from Torex Semiconductor Ltd. It is engineered for applications where high efficiency and a small form factor are crucial. This converter uses a PWM/PFM control system, automatically switching between Pulse Width Modulation (PWM) for heavier loads and Pulse Frequency Modulation (PFM) for lighter loads. This adaptive control ensures optimum efficiency across a broad spectrum of load conditions.

Applications:

• Wearable technology
• Internet of Things (IoT) end-nodes
• Handheld consumer electronics
• Portable medical devices
• Wireless sensor networks

Features:

• Wide Input Voltage Range: Accepts a broad range of input voltages, offering design flexibility.
• Fixed Output Voltage: Delivers a stable and pre-defined output voltage.
• PWM/PFM Automatic Switching: Adapts seamlessly between PWM and PFM modes to optimize efficiency.
• Low Quiescent Current Consumption: Minimizes battery drain during standby operation.
• Over-Current Protection (OCP): Protects the converter from over-current conditions.
• Short-Circuit Protection (SCP): Safeguards the device against damage due to short circuits.
• Thermal Shutdown (TSD): Prevents overheating and potential damage to the converter.
• Ultra-Small Packaging: Enables use in space-limited applications.

Benefits:

• Prolonged Battery Life: The high-efficiency design maximizes battery usage in portable devices.
• Miniaturized Design Footprint: The compact package allows for smaller and lighter product designs.
• Consistent Output Performance: Provides a stable and reliable power supply.
• Robust Protection Mechanisms: Enhances the reliability and lifespan of the device.
• Simplified Implementation: Integrated features streamline the design and integration process.

Additional Details:

The XC6401EE92DR employs synchronous rectification, which replaces a traditional Schottky diode with a MOSFET to reduce conduction losses and boost overall efficiency. It also features internal phase compensation, removing the need for external components and simplifying the design. The specific output voltage for this model is 0.9V. This converter is available in a small DFN package, making it suitable for miniaturized applications.