STMicroelectronics

LK115D50-TR

LK115D50-TR Description

The LK115D50-TR is a linear voltage regulator designed by STMicroelectronics, a leading manufacturer in the electronics industry. This IC is part of the Power Management Integrated Circuit (PMIC) category and is known for its reliable performance and robust design. The LK115D50-TR features a fixed output voltage of 5V and can deliver a maximum output current of 100mA, making it suitable for a variety of low-power applications.

LK115D50-TR Features

• Output Type: Fixed
• Input Voltage Range: Up to 20V
• Output Voltage: Fixed at 5V
• Output Current: 100mA
• Number of Regulators: 1
• Output Configuration: Positive
• Supply Current (Max): 3 mA
• Dropout Voltage (Max): 0.17V at 60mA (Typical)
• Quiescent Current (Iq): 500 µA
• Power Supply Rejection Ratio (PSRR): 75dB to 55dB across the frequency range of 120Hz to 10kHz
• Control Features: Enable
• Protection Features: Over Current and Over Temperature
• Mounting Type: Surface Mount
• Package: Tape & Reel (TR)
• Moisture Sensitivity Level (MSL): 1 (Unlimited)
• Product Status: Obsolete
• REACH Status: REACH Unaffected
• RoHS Status: ROHS3 Compliant
• ECCN: EAR99
• HTSUS: 8542.39.0001

LK115D50-TR Applications

The LK115D50-TR is ideal for applications requiring a stable 5V output with low dropout voltage and high PSRR. Its low quiescent current and supply current make it suitable for battery-powered devices and other low-power systems. The enable control feature allows for dynamic power management, enhancing system efficiency. The over-current and over-temperature protection features ensure reliable operation under various conditions.

Specific use cases include:

• Battery-powered devices: The low dropout voltage and quiescent current make it suitable for applications where battery life is critical.
• Consumer electronics: The fixed 5V output and 100mA current capability are well-suited for powering small electronic devices.
• Industrial control systems: The robust design and protection features make it reliable for industrial applications where stability and safety are paramount.

Conclusion of LK115D50-TR

The LK115D50-TR from STMicroelectronics is a versatile linear voltage regulator with a fixed 5V output and a maximum output current of 100mA. Its low dropout voltage, high PSRR, and protection features make it a reliable choice for low-power applications. Despite being marked as obsolete, the LK115D50-TR remains a viable option for designers seeking a stable and efficient power management solution. Its compliance with REACH and RoHS3 standards ensures it meets environmental and safety regulations, making it a responsible choice for modern electronics.