Texas Instruments

LM1084IS-3.3/NOPB

LM1084IS-3.3/NOPB Description

The LM1084IS-3.3/NOPB is a high-performance, fixed-output linear voltage regulator from Texas Instruments, designed to deliver a stable 3.3V output at up to 5A with exceptional efficiency. This positive-output regulator supports an input voltage range up to 27V, making it suitable for a wide array of power supply applications. Housed in a DDPAK/TO-263-3 surface-mount package, it features a low dropout voltage of 1.5V (max) at 5A, ensuring reliable operation even under high load conditions. With a quiescent current of 10 mA and 72dB PSRR at 120Hz, it minimizes power loss and noise, making it ideal for precision power management.

LM1084IS-3.3/NOPB Features

• High Current Capacity: Delivers 5A continuous output, outperforming many standard linear regulators.
• Low Dropout Voltage: 1.5V (max) at 5A ensures efficient operation with minimal headroom.
• Excellent Noise Suppression: 72dB PSRR at 120Hz reduces ripple in sensitive applications.
• Robust Protection: Includes over-current and over-temperature protection for enhanced reliability.
• Wide Input Range: Supports up to 27V input, accommodating diverse power sources.
• RoHS3 & REACH Compliant: Meets stringent environmental and safety standards.
• Surface-Mount Design: TO-263-3 (DDPAK) package enables compact PCB integration.

LM1084IS-3.3/NOPB Applications

This regulator is ideal for applications requiring high-current, low-noise 3.3V power, such as:

• Industrial Control Systems: Stable power for PLCs, motor drivers, and sensors.
• Embedded Computing: Powering microcontrollers, FPGAs, and memory modules.
• Telecommunications: Base stations and networking equipment requiring clean power.
• Automotive Electronics: Infotainment systems and onboard diagnostics.
• Test & Measurement Equipment: Precision instruments where voltage stability is critical.

Conclusion of LM1084IS-3.3/NOPB

The LM1084IS-3.3/NOPB stands out as a high-efficiency, high-current linear regulator with superior noise rejection and thermal performance. Its low dropout voltage, robust protection features, and wide input range make it a versatile choice for demanding applications across industries. Whether in industrial automation, embedded systems, or telecommunications, this regulator ensures reliable, clean power delivery while adhering to modern environmental standards.