STMicroelectronics

LF85CDT-TRY

LF85CDT-TRY Description

The LF85CDT-TRY is a linear voltage regulator designed by STMicroelectronics, featuring a fixed output voltage of 8.5V and a maximum output current of 500mA. This regulator is housed in a DPAK package, making it suitable for surface mount applications. Despite its status as an obsolete product, the LF85CDT-TRY remains a reliable choice for specific applications due to its robust performance and compliance with industry standards.

LF85CDT-TRY Features

• Output Type: Fixed
• Input Voltage Range: Up to 16V
• Output Voltage: Fixed at 8.5V
• Output Current: 500mA
• Number of Regulators: 1
• Output Configuration: Positive
• Supply Current: Maximum of 12mA
• Voltage Dropout: Maximum of 1.3V at 500mA
• Quiescent Current (Iq): 2.5mA
• Power Supply Rejection Ratio (PSRR): 72dB to 57dB across the frequency range of 120Hz to 10kHz
• Protection Features: Over Current and Over Temperature
• Package Type: DPAK
• Mounting Type: Surface Mount
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Compliance: REACH Unaffected, ROHS3 Compliant
• Grade: Automotive
• ECCN: EAR99
• HTSUS: 8542.39.0001
• Packaging: Tape & Reel (TR)

LF85CDT-TRY Applications

The LF85CDT-TRY is well-suited for applications requiring a stable and reliable power supply with a fixed output voltage. Its automotive grade and compliance with industry standards make it ideal for use in automotive electronics, where reliability and performance are paramount. The regulator's low dropout voltage of 1.3V at 500mA ensures efficient operation even under varying input conditions, making it suitable for systems with fluctuating input voltages.

The over current and over temperature protection features provide enhanced reliability and safety, safeguarding the regulator and connected components from damage due to excessive current or temperature. The DPAK package and surface mount design allow for easy integration into compact and high-density PCB designs, making it suitable for space-constrained applications.

Conclusion of LF85CDT-TRY

The LF85CDT-TRY, despite being marked as obsolete, continues to offer significant value in specific applications requiring a fixed 8.5V output and 500mA current capability. Its automotive grade, compliance with REACH and ROHS3 standards, and robust protection features make it a reliable choice for demanding environments. The low dropout voltage and efficient power supply rejection ratio further enhance its performance, ensuring stable operation and minimal power loss. For applications where these specifications are critical, the LF85CDT-TRY remains a viable and effective solution.