LT3092EST

Current Regulation/Management Overview

The LT3092EST is a two-terminal programmable current source manufactured by Analog Devices Inc. It delivers an output current of 200mA with a precision accuracy of ±1%. The device operates within an input voltage range of 1.2V to 40V and supports an extended temperature range from -40°C to 125°C. It is housed in a surface-mount SOT-223-3 package, designed for applications requiring simple resistor-based current setting.

Current Regulation/Management Feature Summary

• Two-terminal architecture simplifies circuit design by requiring only external resistors for programming
• High precision current regulation ensures stable output performance across varying load conditions
• Wide input voltage tolerance allows operation in diverse power supply environments

Current Regulation/Management Applications

• LED driver circuits requiring constant current regulation
• Biasing networks for analog signal processing stages
• Transistor biasing applications in discrete amplifier designs

Current Regulation/Management Procurement Notes

Verify the specific suffix EST corresponds to the SOT-223-3 package configuration when sourcing. Confirm that the ±1% accuracy grade meets the system requirements. Ensure the operating environment remains within the specified -40°C to 125°C thermal limits. Cross-reference the manufacturer datasheet for pinout compatibility during PCB layout finalization.

Current Regulation/Management Selection Notes

Select this component when a compact, high-precision current source is needed without complex control loops. The two-terminal nature reduces bill of materials count compared to active regulator solutions. Consider the SOT-223-3 footprint constraints against available board space. Evaluate thermal dissipation capabilities based on the expected voltage drop and load current.

Current Regulation/Management Part Context

This part belongs to the LT3092 family of programmable current sources from Analog Devices. The series offers various package options including DFN and TSOT-23 variants. These devices are engineered for rugged linear regulation applications where simplicity and reliability are prioritized over adjustable feedback complexity.

Current Regulation/Management FAQ

How is the output current value determined?

The output current is set using a single external resistor connected between the input and output terminals, allowing adjustment typically between 0.5mA and 200mA.

What is the maximum input voltage supported?

The device supports a maximum operating supply voltage of 40V.