Texas Instruments

LP8345CDT-3.3/NOPB

LP8345CDT-3.3/NOPB Description

The LP8345CDT-3.3/NOPB is a linear regulator IC designed by Texas Instruments, offering a fixed output voltage of 3.3V with a maximum output current of 500mA. This single regulator, housed in a TO252-3 package, is suitable for surface mount applications and operates within an input voltage range up to 10V. The device is characterized by a low dropout voltage of 0.5V at 500mA, ensuring efficient power conversion even at lower input voltages. With a quiescent current of just 50 µA and a power supply rejection ratio (PSRR) of 55dB at 120Hz, the LP8345CDT-3.3/NOPB provides stable and reliable performance. It features over-current and over-temperature protection, enhancing its robustness and reliability in various operating conditions. The operating temperature range of 0°C to 125°C makes it suitable for a wide range of industrial and consumer applications. Despite its obsolescence status, the LP8345CDT-3.3/NOPB remains compliant with REACH and ROHS3 regulations, ensuring environmental safety and sustainability.

LP8345CDT-3.3/NOPB Features

• Fixed Output Voltage: Provides a stable 3.3V output, ideal for applications requiring a precise voltage supply.
• High Efficiency: Achieves a low dropout voltage of 0.5V at 500mA, minimizing power loss and improving overall efficiency.
• Low Quiescent Current: Consumes only 50 µA in quiescent state, making it suitable for low-power and battery-operated devices.
• High PSRR: Offers a power supply rejection ratio of 55dB at 210Hz, ensuring minimal noise and ripple in the output voltage.
• Protection Features: Equipped with over-current and over-temperature protection, safeguarding the device and connected circuits from damage.
• Wide Operating Temperature Range: Functions reliably from 0°C to 125°C, making it suitable for a variety of environmental conditions.
• Compliance: Adheres to REACH and ROHS3 regulations, ensuring environmental safety and sustainability.
• Surface Mount Package: The TO252-3 package is designed for surface mount applications, facilitating easy integration into compact designs.

LP8345CDT-3.3/NOPB Applications

The LP8345CDT-3.3/NOPB is well-suited for a variety of applications where a stable and efficient power supply is required. Its low dropout voltage and high efficiency make it ideal for battery-operated devices, where input voltage levels can vary significantly. The low quiescent current and high PSRR ensure minimal power loss and noise, making it suitable for sensitive electronic circuits. The device's robust protection features and wide operating temperature range make it reliable for industrial applications, including:

• Consumer Electronics: Ideal for portable devices, such as smartphones, tablets, and wearables, where power efficiency and stability are critical.
• Industrial Equipment: Suitable for control systems, sensors, and other industrial applications requiring a stable power supply.
• Telecommunications: Can be used in base stations, routers, and other telecom equipment where reliability and efficiency are paramount.
• Automotive: Applicable in various automotive systems, including infotainment, telematics, and electronic control units.

Conclusion of LP8345CDT-3.3/NOPB

The LP8345CDT-3.3/NOPB from Texas Instruments is a versatile linear regulator IC that offers a combination of high efficiency, low dropout voltage, and robust protection features. Its fixed 3.3V output and 500mA current capability make it suitable for a wide range of applications, from consumer electronics to industrial systems. Despite its obsolescence status, the device remains compliant with environmental regulations and continues to provide reliable performance. The LP8345CDT-3.3/NOPB is an excellent choice for designers seeking a stable and efficient power solution in compact, surface-mount designs.