STMicroelectronics

LF18CPT-TR

LF18CPT-TR Description

The LF18CPT-TR is a high-performance linear voltage regulator designed by STMicroelectronics, known for its reliability and efficiency in power management applications. This regulator features a fixed output voltage of 1.8V and is capable of delivering up to 500mA of output current, making it suitable for various low-power applications. With a maximum input voltage of 16V, the LF18CPT-TR ensures stable operation across a wide range of input conditions. The regulator is housed in a PPAK package, which is ideal for surface-mount applications and offers excellent thermal performance.

LF18CPT-TR Features

• Fixed Output Voltage: The LF18CPT-TR provides a stable 1.8V output voltage, ensuring consistent power supply to sensitive electronic components.
• High Current Capability: With a maximum output current of 500mA, this regulator can efficiently power a variety of devices and circuits.
• Low Dropout Voltage: The maximum dropout voltage of 0.7V at 200mA ensures high efficiency, even at low input-to-output voltage differentials.
• Low Quiescent Current: The regulator operates with a quiescent current of just 1mA, minimizing power consumption during standby or low-load conditions.
• High PSRR: The LF18CPT-TR offers a high power supply rejection ratio (PSRR) of 82dB to 60dB across a frequency range of 120Hz to 10kHz, effectively filtering out noise and ripple from the input supply.
• Protection Features: Over-current and over-temperature protection ensure the regulator's longevity and reliability, safeguarding against potential damage from excessive current or heat.
• Enable Control: The regulator includes an enable feature, allowing users to control the regulator's operation and reduce power consumption when not in use.
• Compliance and Packaging: The LF18CPT-TR is REACH unaffected and RoHS3 compliant, ensuring it meets stringent environmental and safety standards. It is available in a tape and reel package, facilitating easy handling and integration into automated assembly processes.

LF18CPT-TR Applications

The LF18CPT-TR is well-suited for a variety of applications where stable and efficient power regulation is required. Its low dropout voltage and high PSRR make it ideal for battery-powered devices, portable electronics, and IoT devices where input voltage can vary significantly. The regulator's low quiescent current and enable feature are particularly beneficial in applications that require low power consumption during standby or sleep modes. Additionally, its over-current and over-temperature protection features make it a reliable choice for consumer electronics, automotive systems, and industrial control modules.

Conclusion of LF18CPT-TR

The LF18CPT-TR from STMicroelectronics stands out as a robust and efficient linear voltage regulator, offering a combination of high performance and reliability. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications where power efficiency and noise reduction are critical. The inclusion of over-current and over-temperature protection further enhances its durability and safety. With its fixed 1.8V output and 500mA current capability, the LF18CPT-TR is well-suited for a wide range of low-power applications, making it a versatile component in modern electronic designs.