The RT9167-33CB/DJVOY is a low dropout (LDO) voltage regulator manufactured by Richtek. It is designed to provide a stable and accurate 3.3V output voltage. Its primary function is to efficiently convert a higher input voltage into a consistent 3.3V supply, making it ideal for battery-powered and portable applications where voltage stability is crucial.

Applications

• Portable Electronics: Powers various components in devices such as smartphones and tablets.
• Wireless Communication Devices: Provides a stable voltage for RF transceivers in devices like Bluetooth modules.
• Battery-Powered Equipment: Ensures reliable operation in battery-powered devices.
• Microcontroller Power Supplies: Regulates voltage for microcontrollers.
• Handheld Instruments: Regulates voltage in portable testing equipment.

Features

• Low Dropout Voltage: Ensures efficient voltage regulation even with small input-output voltage differentials.
• High Output Accuracy: Provides a stable 3.3V output for reliable performance.
• Low Quiescent Current: Minimizes power consumption, extending battery life.
• Over Current Protection: Protects the regulator and connected devices from damage due to excessive current.
• Over Temperature Protection: Shuts down the regulator to prevent overheating.
• Short Circuit Protection: Safeguards the regulator and load from damage in the event of a short circuit.
• Small Package Size: Allows for use in compact devices.

Benefits

• Extended Battery Life: Low power consumption helps prolong battery life in portable devices.
• Reliable Operation: Stable output voltage ensures consistent and reliable performance of connected components.
• Protection Against Damage: Built-in protection features safeguard against electrical faults.
• Compact Design: Suitable for use in small electronic devices where space is limited.
• Simplified Power Management: Provides an easy-to-use solution for voltage regulation.

Additional Details

The RT9167-33CB/DJVOY is available in a compact package, commonly a SOT-23-5. It is RoHS compliant. It features integrated thermal shutdown and current limiting functions. This regulator's precise voltage regulation ensures consistent performance in sensitive electronic equipment. The input voltage range is up to 6V.