STMicroelectronics

LD39300DT18-R  

Linear & Switching Voltage Regulators

LD39300DT18-R Description

The LD39300DT18-R is a high-performance linear regulator designed by STMicroelectronics, a leading manufacturer in the field of power management integrated circuits (PMIC). This device is specifically tailored for applications requiring a stable and efficient power supply with a fixed output voltage of 1.8V and a maximum output current of 3A. Housed in a compact DPAK package, the LD39300DT18-R is suitable for surface-mount applications, making it ideal for space-constrained designs.

LD39300DT18-R Features

• Output Type: Fixed at 1.8V, ensuring a stable and consistent power supply.
• Input Voltage Range: Capable of handling a maximum input voltage of 6V, providing flexibility in power source selection.
• Output Current: Delivers up to 3A, making it suitable for high-current applications.
• Low Dropout Voltage: With a maximum dropout voltage of 0.4V at 3A, the regulator maintains efficiency even at low input-to-output voltage differentials.
• Low Quiescent Current: Features a quiescent current of only 5 µA, minimizing power consumption during standby.
• High PSRR: Offers a power supply rejection ratio (PSRR) of 65dB to 55dB across the frequency range of 120Hz to 1kHz, ensuring minimal noise and ripple in the output voltage.
• Control Features: Includes an enable function, allowing for dynamic control of the regulator's operation.
• Protection Features: Equipped with over-current and over-temperature protection, safeguarding the device and downstream components from damage.
• Compliance: The LD39300DT18-R is REACH unaffected and RoHS3 compliant, ensuring environmental safety and regulatory adherence.

LD39300DT18-R Applications

The LD39300DT18-R is well-suited for a variety of applications where a reliable and efficient power supply is critical. Its low dropout voltage and high output current make it ideal for:

• Consumer Electronics: Powering devices such as smartphones, tablets, and portable gaming consoles.
• Industrial Equipment: Providing stable power to sensors, actuators, and control systems.
• Telecommunications: Ensuring reliable power for base stations, routers, and other network equipment.
• Automotive: Suitable for in-vehicle electronics, infotainment systems, and advanced driver-assistance systems (ADAS).

Conclusion of LD39300DT18-R

The LD39300DT18-R from STMicroelectronics is a robust and efficient linear regulator designed to meet the demands of modern electronic systems. Its combination of a fixed 1.8V output, high current capability, and low dropout voltage make it a versatile solution for a wide range of applications. The inclusion of advanced protection features and compliance with industry standards further enhance its reliability and usability. Despite its obsolete status, the LD39300DT18-R remains a valuable component for engineers seeking a dependable power management solution.

LD39300DT18-R Documents

Download datasheets and manufacturer documentation for LD39300DT18-R

Datasheets :

LD39300