Analog Devices Inc.

LT3092EST

LT3092EST Description

The LT3092EST from Analog Devices Inc. is a high-precision, adjustable 200mA current source designed for demanding applications requiring stable and accurate current regulation. Operating over a wide input voltage range of 1.2V to 40V, this IC delivers ±1% accuracy, ensuring reliable performance in precision circuits. Packaged in a SOT-223-3 surface-mount form factor, it is suitable for compact designs. Although marked as Obsolete (ECCN: OBSOLETE), its legacy design remains relevant for specific use cases where precision current sourcing is critical.

LT3092EST Features

• High Accuracy: ±1% current regulation for precision applications.
• Wide Input Range: Supports 1.2V to 40V, accommodating diverse power supplies.
• 200mA Output Current: Ideal for driving LEDs, sensors, and bias circuits.
• Low Dropout Voltage: Efficient operation even with low headroom.
• Surface-Mount Package (SOT-223-3): Compact and PCB-friendly.
• Moisture Sensitivity Level (MSL) 1: Suitable for extended storage without baking.
• Simple External Resistor Adjustment: Enables easy current setting.

LT3092EST Applications

• LED Drivers: Stable current sourcing for consistent brightness.
• Sensor Biasing: Precision current for photodiodes, RTDs, and bridge circuits.
• Test & Measurement Equipment: Reliable current references in calibration systems.
• Portable Electronics: Low-voltage operation suits battery-powered devices.
• Industrial Control Systems: Robust performance in harsh environments.

Conclusion of LT3092EST

The LT3092EST excels in applications requiring high-accuracy current regulation with minimal external components. Its wide voltage range, compact package, and ±1% tolerance make it a preferred choice for precision designs, despite its obsolete status. Engineers seeking a simple, reliable current source for legacy or niche applications will find this IC a dependable solution. For new designs, consider Analog Devices' active alternatives with enhanced features.