Texas Instruments

LP3856ES-3.3

LP3856ES-3.3 Description

The LP3856ES-3.3 is a high-performance linear regulator designed by Texas Instruments, offering a fixed output voltage of 3.3V and a maximum output current of 3A. This regulator is housed in a surface-mount DDPAK/TO263-5 package, making it suitable for a wide range of power management applications. With a maximum input voltage of 7V, the LP3856ES-3.3 ensures stable and reliable operation in various electronic systems. The regulator features a low dropout voltage of 0.6V at 3A, which enhances efficiency and reduces power dissipation, making it ideal for applications where input voltage is close to the output voltage.

LP3856ES-3.3 Features

• Output Type: Fixed at 3.3V, ensuring consistent power delivery.
• Input Voltage Range: Up to 7V, providing flexibility in power supply options.
• Output Current: Capable of delivering up to 3A, suitable for high-current applications.
• Low Dropout Voltage: 0.6V at 3A, minimizing power loss and improving efficiency.
• Quiescent Current: Low at 4 mA, reducing power consumption during standby.
• Supply Current: Maximum of 10 mA, ensuring minimal overhead for the power supply.
• Control Features: Enable function allows for dynamic control of the regulator's operation.
• Protection Features: Over-current, over-temperature, and short-circuit protection ensure robustness and reliability.
• PSRR: 73dB to 57dB at 120Hz, providing excellent noise rejection and stable output.
• Compliance: ROHS3 compliant and REACH unaffected, ensuring environmental and regulatory compliance.
• Moisture Sensitivity Level: MSL 3 (168 hours), suitable for standard manufacturing processes.

LP3856ES-3.3 Applications

The LP3856ES-3.3 is well-suited for applications requiring a stable and efficient power supply. Its high output current and low dropout voltage make it ideal for:

• Embedded Systems: Providing stable power to microcontrollers and other low-voltage components.
• Industrial Equipment: Ensuring reliable operation in harsh environments.
• Consumer Electronics: Powering devices that require high current and low noise.
• Telecommunications: Supplying power to base stations and other critical infrastructure.
• Automotive: Suitable for automotive electronics where high reliability and efficiency are crucial.

Conclusion of LP3856ES-3.3

The LP3856ES-3.3 from Texas Instruments stands out as a reliable and efficient linear regulator, offering a fixed 3.3V output and a maximum current of 3A. Its low dropout voltage and comprehensive protection features make it a robust choice for a variety of applications. The enable control function and low quiescent current further enhance its versatility and efficiency. With its surface-mount package and compliance with environmental standards, the LP3856ES-3.3 is an excellent choice for designers looking to integrate a high-performance power management solution into their systems.