STMicroelectronics

LF90CPT-TR

LF90CPT-TR Description

The LF90CPT-TR is a high-performance linear voltage regulator from STMicroelectronics, designed to deliver a fixed 9V output with a maximum current of 500mA. This device is housed in a PPAK package and is suitable for surface mount applications. With a low dropout voltage of 0.7V at 500mA, the LF90CPT-TR ensures stable operation even under varying input voltage conditions. It also features a high PSRR of 71dB at 120Hz to 56dB at 10kHz, providing excellent noise rejection capabilities.

LF90CPT-TR Features

• Fixed Output Voltage: The LF90CPT-TR provides a fixed output voltage of 9V, making it ideal for applications requiring a stable and consistent voltage supply.
• Low Dropout Voltage: With a dropout voltage of 0.7V at 500mA, this regulator ensures stable operation even when the input voltage is close to the output voltage.
• High PSRR: The LF90CPT-TR offers a high power supply rejection ratio (PSRR) of 71dB at 120Hz to 56dB at 10kHz, providing excellent noise rejection capabilities.
• Over Current and Over Temperature Protection: This device includes built-in protection features to safeguard against over current and over temperature conditions, ensuring reliable operation.
• RoHS Compliant: The LF90CPT-TR is compliant with RoHS3 regulations, making it suitable for environmentally friendly applications.
• REACH Unaffected: This product is not affected by REACH regulations, ensuring compliance with European chemical safety standards.

LF90CPT-TR Applications

The LF90CPT-TR is an ideal choice for a wide range of applications, including:

1. Portable Electronics: Due to its low dropout voltage and fixed output, the LF90CPT-TR is well-suited for powering portable electronic devices such as smartphones, tablets, and wearables.
2. Industrial Equipment: This regulator's robust protection features and high PSRR make it suitable for industrial equipment that requires a stable and reliable voltage supply.
3. Automotive Applications: The LF90CPT-TR can be used in automotive applications where a stable 9V supply is needed, such as infotainment systems and sensor interfaces.
4. Medical Devices: With its low quiescent current and high PSRR, this regulator is ideal for medical devices that require a stable and clean voltage supply.

Conclusion of LF90CPT-TR

The LF90CPT-TR from STMicroelectronics is a versatile and high-performance linear voltage regulator that offers a fixed 9V output with a maximum current of 500mA. Its unique features, such as low dropout voltage, high PSRR, and built-in protection, make it an ideal choice for a wide range of applications, including portable electronics, industrial equipment, automotive systems, and medical devices. With its RoHS compliance and REACH unaffected status, the LF90CPT-TR is also an environmentally friendly option for your voltage regulation needs.