STMicroelectronics

LF120CPT-TR  

Linear & Switching Voltage Regulators

LF120CPT-TR Description

The LF120CPT-TR is a linear regulator IC designed by STMicroelectronics, featuring a fixed output voltage of 12V and a maximum output current of 500mA. This device is housed in a PPAK package, making it suitable for surface-mount applications. Despite being marked as obsolete, the LF120CPT-TR remains a reliable choice for power management applications due to its robust performance and compliance with industry standards such as REACH and ROHS3.

LF120CPT-TR Features

• Output Type: Fixed
• Input Voltage Range: Up to 16V
• Output Voltage: Fixed at 12V
• Output Current: Up to 500mA
• Number of Regulators: 1
• Output Configuration: Positive
• Supply Current (Max): 12mA
• Dropout Voltage (Max): 0.7V @ 500mA
• Quiescent Current (Iq): 1.5mA
• Power Supply Rejection Ratio (PSRR): 69dB to 54dB across the frequency range of 120Hz to 10kHz
• Control Features: Enable
• Protection Features: Over Current and Over Temperature
• Package Type: PPAK
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: REACH Unaffected, ROHS3 Compliant
• Export Control Classification Number (ECCN): EAR99
• Harmonized Tariff Schedule (HTSUS): 8542.39.0001
• Packaging: Tape & Reel (TR)

LF120CPT-TR Applications

The LF120CPT-TR is ideal for applications requiring a stable 12V supply with moderate current capabilities. Its low dropout voltage ensures efficient operation even at lower input voltages, making it suitable for battery-powered devices and systems with fluctuating input voltages. The enable feature allows for dynamic control of the regulator, enhancing flexibility in power management designs.

Key applications include:

• Consumer Electronics: Portable devices, battery chargers, and power supplies.
• Industrial Equipment: Control systems, sensors, and actuators requiring a stable 12V supply.
• Automotive: In-vehicle electronics, infotainment systems, and auxiliary power supplies.
• Telecommunications: Base stations, repeaters, and other telecom equipment needing reliable power regulation.

Conclusion of LF120CPT-TR

The LF120CPT-TR from STMicroelectronics is a versatile linear regulator designed for applications requiring a stable 12V output. Its low dropout voltage, robust protection features, and compliance with industry standards make it a reliable choice for power management in various electronics applications. Despite being marked as obsolete, the LF120CPT-TR continues to offer significant advantages over similar models, particularly in terms of efficiency and flexibility. For designers seeking a proven solution in power regulation, the LF120CPT-TR remains a viable option.

LF120CPT-TR Documents

Download datasheets and manufacturer documentation for LF120CPT-TR

Datasheets :

LF00 Series Datasheet      

HTML Datasheet :

LF00 Series Datasheet