Texas Instruments

LM317LID

LM317LID Description

The LM317LID from Texas Instruments is an adjustable positive linear voltage regulator designed for low-power applications. Housed in an 8-SOIC package, it delivers a stable output voltage ranging from 1.2V to 32V with a maximum input voltage of 38V and an output current capability of 100mA. This regulator is ideal for precision voltage regulation in space-constrained designs, offering high performance with low quiescent current (2.5mA) and excellent line/load regulation. Its ROHS3 compliance and REACH unaffected status ensure environmental and regulatory adherence, while its Last Time Buy status indicates end-of-life availability for legacy systems.

LM317LID Features

• Adjustable Output: Fine-tune voltage from 1.2V to 32V for versatile design flexibility.
• High PSRR: 80dB to 65dB (120Hz) ensures superior noise rejection, critical for sensitive analog circuits.
• Robust Protection: Integrated safeguards include over-current, over-temperature, and short-circuit protection.
• Low Dropout: Efficient operation with minimal headroom, suitable for battery-powered devices.
• Surface-Mount Design: 8-SOIC package optimizes PCB space in compact applications.
• Wide Operating Range: Supports input voltages up to 38V, accommodating diverse power supplies.

LM317LID Applications

• Portable Electronics: Ideal for low-current devices like sensors, wearables, and IoT modules.
• Precision Instrumentation: Provides stable voltage references for ADCs, DACs, and measurement systems.
• Industrial Control: Reliable regulation for PLCs, motor drivers, and automation systems.
• Consumer Electronics: Used in audio amplifiers, LED drivers, and power management circuits.
• Legacy System Maintenance: Suitable for repairs/upgrades of older equipment due to its Last Time Buy status.

Conclusion of LM317LID

The LM317LID stands out as a compact, efficient linear regulator with adjustable output, high PSRR, and robust protection features. Its 100mA output current and wide voltage range make it a versatile choice for low-power designs, while its surface-mount package ensures compatibility with modern PCB layouts. Though in Last Time Buy status, it remains a dependable solution for legacy and precision applications requiring stable, noise-free power. Engineers seeking a balance of performance, size, and reliability will find the LM317LID a compelling option.