The XC9235C21CER is a synchronous step-down DC-DC converter manufactured by Torex Semiconductor Ltd. It is designed for applications requiring high efficiency and a compact solution. This converter integrates a control IC and a MOSFET, enabling a small footprint and simplifying circuit design. The device operates at a high switching frequency, contributing to its small size and excellent transient response.

Applications

• Power management in portable devices
• Point-of-load regulation
• Battery-powered equipment
• Wearable technology
• IoT devices

Features

• Synchronous rectification for high efficiency
• Integrated control IC and MOSFET
• High switching frequency
• Small package size
• Input voltage range: 2.5V to 5.5V
• Output voltage: 2.1V (fixed)
• Output current: Up to 600mA
• Short circuit protection
• Overcurrent protection
• Thermal shutdown protection
• Soft-start function

Benefits

• High Efficiency: Synchronous rectification minimizes power loss, extending battery life in portable applications.
• Compact Design: Integration of control IC and MOSFET reduces board space requirements.
• Simplified Design: Fewer external components are needed, streamlining the design process.
• Reliable Operation: Built-in protection features ensure stable and reliable performance.
• Excellent Transient Response: The high switching frequency allows for quick response to load changes.

The XC9235C21CER is available in a small package, making it suitable for space-constrained applications. Its wide input voltage range and comprehensive protection features make it a versatile solution for various power management needs. The internal soft-start function reduces inrush current during startup, preventing voltage dips and ensuring a smooth power-up sequence.