STMicroelectronics

L7808ABD2T

L7808ABD2T Description

The L7808ABD2T from STMicroelectronics is a fixed-output linear voltage regulator designed to deliver a stable 8V output at up to 1.5A of continuous current. Housed in a robust D2PAK (TO-263) surface-mount package, this regulator is engineered for high-efficiency power management in demanding applications. With a wide input voltage range up to 35V and a low dropout voltage of 2V (typical at 1A), it ensures reliable performance even under fluctuating input conditions. The device features over-temperature and short-circuit protection, enhancing system durability. Although marked as obsolete, it remains a dependable choice for legacy designs due to its ROHS3 compliance and REACH-unaffected status.

L7808ABD2T Features

• Fixed 8V Output: Precision-regulated voltage for stable power delivery.
• High Current Capacity: Supports 1.5A output current, ideal for medium-power applications.
• Wide Input Range: Accepts up to 35V input, accommodating varying supply voltages.
• Low Dropout Voltage: 2V dropout (typical at 1A) minimizes power dissipation.
• Robust Protection: Integrated over-temperature and short-circuit safeguards.
• High PSRR: 62dB (120Hz) ensures excellent noise rejection.
• Surface-Mount Design: D2PAK package optimizes thermal performance and PCB space.
• Low Quiescent Current: 6mA Iq reduces standby power consumption.

L7808ABD2T Applications

• Industrial Control Systems: Powering sensors, actuators, and control logic requiring stable 8V rails.
• Automotive Electronics: Suitable for non-critical legacy automotive modules with moderate power needs.
• Consumer Electronics: Used in audio amplifiers, set-top boxes, and other fixed-voltage applications.
• Telecommunications: Provides regulated power for RF modules and networking hardware.
• Embedded Systems: Ideal for prototyping and legacy designs where 8V regulation is critical.

Conclusion of L7808ABD2T

The L7808ABD2T is a rugged, high-performance linear regulator offering precision voltage regulation, robust protection, and thermal efficiency. While obsolete, its D2PAK package, high current capability, and wide input range make it a viable option for legacy systems or designs prioritizing reliability over cutting-edge technology. Engineers seeking a proven 8V regulator with low dropout and high PSRR will find this device well-suited for industrial, automotive, and consumer applications.