The RT9166-28PVL is a high-performance, low-dropout (LDO) voltage regulator manufactured by Richtek USA Inc. This regulator is designed to provide a stable and accurate 2.8V output voltage from a higher input voltage, making it suitable for a wide range of portable and battery-powered applications. Its key features include low quiescent current, high accuracy, and excellent transient response, contributing to efficient power management and reliable system performance.

Applications

• Mobile Phones: Provides stable voltage for core logic and peripheral components.
• PDAs and Smart Devices: Powers sensitive electronics requiring regulated voltage.
• Wireless Communication Devices: Ensures consistent power supply for RF components and microcontrollers.
• Portable Instruments: Regulates voltage for testing and measurement equipment.
• Battery-Powered Equipment: Offers efficient power conversion to extend battery life.

Features

• Low Dropout Voltage: Operates with a minimal difference between input and output voltage, maximizing efficiency.
• High Output Accuracy: Maintains a precise 2.8V output voltage under varying load conditions.
• Low Quiescent Current: Consumes minimal power when not actively supplying current to the load.
• Overcurrent Protection: Protects the regulator and the load from excessive current draw.
• Short-Circuit Protection: Shuts down the regulator in the event of a short circuit to prevent damage.
• Thermal Shutdown Protection: Prevents overheating by shutting down the regulator when the junction temperature exceeds a safe limit.
• Stable with Ceramic Capacitors: Ensures stable operation with low-ESR ceramic output capacitors.

Benefits

• Extended Battery Life: Low quiescent current and high efficiency contribute to longer run times for battery-powered devices.
• Reliable Performance: Built-in protection features ensure robust and dependable operation.
• Stable Power Supply: High output accuracy and excellent transient response provide a consistent voltage supply for sensitive electronics.
• 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 RT9166-28PVL typically comes in a small surface-mount package. It is 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 device's 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. The specific package type and operating temperature range should be verified in the product datasheet.