STMicroelectronics

LDF18PT-TR  

Linear & Switching Voltage Regulators

LDF18PT-TR Description

The LDF18PT-TR is a high-performance linear voltage regulator designed by STMicroelectronics, offering a fixed output voltage of 1.8V with a maximum output current of 1A. This regulator is housed in a PPAK package, which is suitable for surface mount applications. Despite its obsolete status, the LDF18PT-TR remains a reliable choice for various electronic systems due to its robust design and performance characteristics.

LDF18PT-TR Features

• Output Type: Fixed
• Input Voltage Range: Up to 16V
• Output Voltage: 1.8V
• Output Current: 1A
• Number of Regulators: 1
• Output Configuration: Positive
• Dropout Voltage: Max 0.5V at 1A
• Quiescent Current: 800 µA
• Power Supply Rejection Ratio (PSRR): 60dB to 45dB across frequencies from 120Hz to 100kHz
• Protection Features: Over Current, Over Temperature, and Under Voltage Lockout (UVLO)
• Control Features: Enable and Power Good
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Package Type: PPAK
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• REACH Status: REACH Unaffected
• ECCN: EAR99
• HTSUS: 8542.39.0001

LDF18PT-TR Applications

The LDF18PT-TR is ideal for applications requiring a stable and efficient power supply with minimal dropout voltage. Its fixed 1.8V output and 1A current capability make it suitable for powering microcontrollers, sensors, and other low-voltage devices. The regulator's low dropout voltage ensures efficient operation even at low input-to-output voltage differentials, making it particularly useful in battery-powered systems where input voltage can vary significantly.

The inclusion of over current, over temperature, and under voltage lockout protections enhances the reliability and safety of the regulator, making it suitable for critical applications where power supply stability is paramount. The enable and power good control features provide additional flexibility for system designers, allowing for precise control over the power supply and monitoring of its status.

Conclusion of LDF18PT-TR

The LDF18PT-TR from STMicroelectronics is a versatile and reliable linear voltage regulator, offering a fixed 1.8V output with a maximum current of 1A. Its low dropout voltage and robust protection features make it an excellent choice for a wide range of applications, particularly those requiring stable power supply and efficient operation. Despite its obsolete status, the LDF18PT-TR remains a valuable component for designers seeking a dependable and high-performance regulator in a compact PPAK package.

LDF18PT-TR Documents

Download datasheets and manufacturer documentation for LDF18PT-TR

Datasheets :

LDF      

PCN Obsolescence/ EOL :

Mult Dev OBS 03/Aug/2021      

HTML Datasheet :

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