The RT9166-33CVL is a 3.3V low dropout (LDO) voltage regulator manufactured by Richtek USA Inc. It provides a stable and accurate 3.3V output, making it suitable for a wide range of applications, especially in portable and battery-powered devices. Its key features include low quiescent current, high accuracy, and excellent transient response, ensuring efficient power management and reliable system performance.

Applications

• Microcontroller Power: Provides a stable 3.3V supply for microcontrollers in embedded systems.
• Wireless Modules: Powers wireless communication modules, such as Bluetooth and Wi-Fi chips.
• Portable Devices: Regulates voltage in smartphones, tablets, and other portable electronics.
• Sensor Power: Provides a clean and stable power supply for sensitive sensors.
• Memory Power: Powers volatile memory components like SRAM.

Features

• Low Dropout Voltage: Maintains regulation even when the input voltage is close to the output voltage.
• High Output Accuracy: Delivers a precise 3.3V output voltage.
• Low Quiescent Current: Minimizes power consumption in standby mode.
• Overcurrent Protection: Protects the regulator and the load from excessive current.
• Short-Circuit Protection: Shuts down the regulator in case of a short circuit.
• Thermal Shutdown: Protects the regulator from overheating by shutting down when the junction temperature exceeds a safe limit.
• Stable with Ceramic Capacitors: Operates stably with low-ESR ceramic output capacitors.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer battery life in portable devices.
• Reliable Performance: Built-in protection features ensure robust and dependable operation.
• Stable Power Supply: Provides a consistent voltage supply for sensitive electronic components.
• Simplified Design: Stable operation with ceramic capacitors reduces the need for external components.
• Compact Solution: Small package size allows for use in space-constrained applications.

Additional Details

The RT9166-33CVL typically comes in a small surface-mount package. It's designed to operate over a wide input voltage range and is stable with ceramic output capacitors, allowing for a compact and cost-effective solution. The thermal shutdown feature protects it from damage due to overheating, and its current limiting function prevents damage from overloads. Its low dropout voltage allows it to operate efficiently even when the input voltage is close to the output voltage. Specific package details, operating temperature range, and other specifications should be confirmed in the product datasheet.