STMicroelectronics

L5300GJTR

L5300GJTR Description

The L5300GJTR is a high-performance linear regulator designed for automotive applications, manufactured by STMicroelectronics. This device offers a fixed output voltage of 5V and is capable of delivering up to 300mA of output current. It is designed to operate with an input voltage range up to 40V, making it suitable for a wide range of power supply requirements. The regulator features a low dropout voltage of 0.5V at 300mA, ensuring efficient operation even under low input-to-output voltage conditions.

L5300GJTR Features

• Output Type: Fixed
• Output Voltage: 5V
• Output Current: 300mA
• Input Voltage Range: Up to 40V
• Low Dropout Voltage: 0.5V @ 300mA
• Quiescent Current: 80 µA
• Supply Current: 4.2 mA
• Power Supply Rejection Ratio (PSRR): 60dB at 100Hz
• Protection Features: Over-temperature and short-circuit protection
• Control Features: Enable and reset functions
• Package Type: Tape & Reel (TR)
• Mounting Type: Surface Mount
• Grade: Automotive
• Compliance: REACH Unaffected, ROHS3 Compliant

The L5300GJTR stands out due to its low quiescent current and high PSRR, which contribute to its efficiency and noise performance. These features make it ideal for applications where power consumption and signal integrity are critical.

L5300GJTR Applications

The L5300GJTR is particularly well-suited for automotive applications due to its robust design and compliance with automotive standards. It is ideal for use in:

• In-Car Electronics: Powering infotainment systems, GPS units, and other electronic devices within vehicles.
• On-Board Diagnostics (OBD): Providing stable power to diagnostic tools and modules.
• Telematics Systems Ens:uring reliable power supply for telematics devices that require low noise and high efficiency.
• Battery Management Systems: Offering stable and efficient power regulation for battery management circuits.

The device's low dropout voltage and high PSRR make it suitable for applications where the input voltage may vary significantly, ensuring consistent performance across a wide range of operating conditions.

Conclusion of L5300GJTR

The L5300GJTR from STMicroelectronics is a versatile and efficient linear regulator designed to meet the demanding requirements of automotive applications. Its low dropout voltage, high PSRR, and low quiescent current make it an excellent choice for applications where power efficiency and signal integrity are paramount. With its robust protection features and automotive-grade reliability, the L5300GJTR ensures stable and reliable power regulation in a compact surface-mount package. This device is an ideal solution for designers looking to optimize power supply performance in automotive and other demanding electronic systems.