STMicroelectronics

PM8805TR

The PM8805TR is a high-efficiency synchronous step-down (buck) regulator from STMicroelectronics. It is designed to provide a stable and regulated output voltage from a wide range of input voltages, making it suitable for a variety of applications.

Description:

The PM8805TR is a high-efficiency synchronous step-down regulator that uses a constant on-time control scheme to regulate the output voltage. It has a wide input voltage range of 4.5V to 23V and can deliver an output current of up to 3A. The output voltage can be adjusted using an external resistor divider, allowing for a wide range of output voltages.

Features:

• High efficiency: The PM8805TR has a high efficiency of up to 93%, making it ideal for power-sensitive applications.
• Wide input voltage range: The regulator can accept a wide range of input voltages, from 4.5V to 23V.
• Adjustable output voltage: The output voltage can be adjusted using an external resistor divider, allowing for a wide range of output voltages.
• Synchronous rectification: The PM8805TR uses synchronous rectification to improve efficiency and reduce power dissipation.
• Protection features: The regulator includes over-current protection, over-temperature protection, and short-circuit protection to ensure safe and reliable operation.
• Small form factor: The PM8805TR is available in a compact 10-lead MSOP package, making it suitable for space-constrained applications.

Applications:

The PM8805TR is suitable for a wide range of applications that require a stable and regulated output voltage. Some of the potential applications include:

• Portable electronic devices, such as smartphones, tablets, and laptops
• Power supplies for industrial and automotive applications
• LED lighting systems
• Telecommunications equipment
• Medical equipment

Overall, the PM8805TR is a high-efficiency, versatile, and reliable step-down regulator that can be used in a variety of applications to provide a stable and regulated output voltage.