The RT9226ACS is a high-efficiency synchronous boost converter designed by Richtek USA Inc. It is optimized for portable applications requiring a stable output voltage from a single-cell Li-Ion battery or other low voltage power sources. This converter integrates a low-resistance N-Channel MOSFET to maximize efficiency and minimize power dissipation.

Applications:

• Portable Media Players
• Digital Cameras
• Smartphones
• GPS Devices
• White LED Backlight Power

Features:

• High Efficiency: Up to 95% efficiency minimizes power loss and extends battery life.
• Integrated MOSFET: Internal low-resistance N-Channel MOSFET simplifies design and reduces component count.
• Adjustable Output Voltage: Allows for flexible output voltage settings to meet specific application requirements.
• Soft-Start Function: Limits inrush current during startup, ensuring stable operation and preventing voltage overshoot.
• Over-Temperature Protection: Protects the device from thermal damage in extreme operating conditions.
• Under-Voltage Lockout (UVLO): Prevents the device from operating with insufficient input voltage, protecting the battery.
• Short-Circuit Protection: Protects the device and the load from damage due to short circuits.
• Small Package: Available in a compact package for space-constrained applications.

Benefits:

• Extended Battery Life: High efficiency minimizes power consumption, leading to longer battery life in portable devices.
• Simplified Design: Integrated MOSFET and minimal external components reduce design complexity and BOM cost.
• Stable Output Voltage: Ensures consistent performance of powered devices, even with varying input voltage and load conditions.
• Robust Protection: Comprehensive protection features ensure reliable operation and prevent damage to the device and connected components.
• Compact Solution: Small package size enables use in space-constrained applications.

Additional Details:

The RT9226ACS operates with a fixed switching frequency, which helps to minimize noise and optimize efficiency. The output voltage can be adjusted using external resistors. It also features a shutdown mode to further reduce power consumption when the device is not in use. The device is available in various compact packages suitable for portable applications.