The RT9166-30PXL is a low-dropout (LDO) voltage regulator produced by Richtek USA Inc. It is engineered to deliver a stable and precise 3.0V output voltage, even when the input voltage fluctuates. This regulator is ideally suited for use in a variety of portable devices and battery-powered applications where efficient power management is crucial. Its features include minimal quiescent current, high accuracy, and rapid transient response, ensuring reliable and efficient operation.

Applications

• Portable Electronics: Powers microcontrollers, sensors, and other components in handheld devices.
• Battery-Powered Systems: Extends battery life by providing efficient voltage regulation.
• Wireless Devices: Supplies stable voltage to RF transceivers and other wireless communication circuits.
• Power Management Systems: Serves as a reliable voltage source in power management circuits.
• Consumer Electronics: Regulates voltage in various consumer devices such as media players and remote controls.

Features

• Low Dropout Voltage: Maintains regulation with a small difference between input and output voltage.
• High Output Voltage Accuracy: Delivers a stable and precise 3.0V output voltage.
• Low Quiescent Current: Minimizes power consumption when the regulator is not actively supplying current.
• Overcurrent Protection: Protects the regulator and connected circuitry from excessive current draw.
• Short-Circuit Protection: Prevents damage by shutting down the regulator in the event of a short circuit.
• Thermal Shutdown: Safeguards the regulator from overheating by initiating shutdown when the junction temperature exceeds a safe threshold.
• Ceramic Capacitor Stability: Ensures stable operation with low-ESR ceramic output capacitors.

Benefits

• Prolonged Battery Life: Low quiescent current and high efficiency extend the operational duration of battery-powered devices.
• Enhanced Reliability: Integrated protection features ensure robust and dependable performance.
• Stable and Consistent Power: High output accuracy and fast transient response provide a reliable voltage source for sensitive electronic components.
• Simplified Design: Stability with ceramic capacitors reduces the need for external components and simplifies circuit design.
• Compact Form Factor: Small package size makes it suitable for space-constrained applications.

Additional Details

The RT9166-30PXL is typically available in a compact surface-mount package. It is designed for a wide range of input voltages and provides stable operation with ceramic output capacitors, resulting in a cost-effective and efficient solution. The thermal shutdown feature protects the device from potential damage due to overheating, while the current limiting function safeguards against overload conditions. Its low dropout voltage enables efficient operation even when the input voltage is close to the desired output voltage. Consult the product datasheet for specific package dimensions, operating temperature range, and other critical specifications.