STMicroelectronics

LD1086V33-DG  

Linear & Switching Voltage Regulators

LD1086V33-DG Description

The LD1086V33-DG from STMicroelectronics is a high-performance fixed 3.3V linear voltage regulator capable of delivering up to 1.5A of continuous output current. Designed for robustness, it operates with a wide input voltage range up to 30V, making it suitable for demanding industrial and automotive applications. The device features a low dropout voltage of 1.5V at full load, ensuring efficient regulation even with marginal input voltages. Its 79dB PSRR (120Hz) minimizes noise, making it ideal for sensitive analog and digital circuits. Packaged in a TO-220AB through-hole format, the LD1086V33-DG is easy to integrate into power supply designs requiring high reliability.

LD1086V33-DG Features

• Fixed 3.3V Output: Precision-regulated voltage for stable power delivery.
• High Current Capacity: Supports 1.5A output with over-current and over-temperature protection for enhanced safety.
• Low Dropout Voltage: 1.5V @ 1.5A ensures efficient operation in low-input scenarios.
• Excellent Noise Rejection: 79dB PSRR at 120Hz reduces ripple in noise-sensitive applications.
• Wide Input Range: Accepts up to 30V, accommodating fluctuating power sources.
• Low Quiescent Current: 10 mA Iq improves efficiency in standby modes.
• Robust Packaging: TO-220AB through-hole design for easy mounting and heat dissipation.
• Compliance: ROHS3 Compliant and REACH Unaffected, meeting environmental standards.

LD1086V33-DG Applications

• Industrial Power Supplies: Reliable voltage regulation for PLCs, motor controllers, and sensors.
• Automotive Electronics: Stable power for infotainment, ECUs, and lighting systems.
• Embedded Systems: Ideal for microcontrollers, FPGAs, and DSPs requiring clean 3.3V rails.
• Telecom Infrastructure: Power management for routers, switches, and base stations.
• Consumer Electronics: Used in set-top boxes, audio amplifiers, and IoT devices.

Conclusion of LD1086V33-DG

The LD1086V33-DG stands out as a high-current, low-dropout linear regulator with superior noise immunity and thermal protection. Its wide input range and robust packaging make it a versatile choice for industrial, automotive, and embedded applications. Compared to similar models, its high PSRR and low dropout ensure reliable performance in noisy or variable power environments. For engineers seeking a cost-effective, high-reliability 3.3V regulator, the LD1086V33-DG delivers exceptional value and performance.

LD1086V33-DG Documents

Download datasheets and manufacturer documentation for LD1086V33-DG

PCN Assembly/Origin :

Mult Dev 13/Sep/2023      

Datasheets :

LD1086      

Design Resources :

Cooling Requirements for Linear Voltage Regulator      

HTML Datasheet :

LD1086