Overview
The LT3092ETS8#TRMPBF, produced by Analog Devices Inc., is a programmable 2-terminal current source. This device is designed to provide a highly accurate and stable current output, adjustable between 0.5mA and 200mA using just two external resistors. The LT3092 is ideal for various applications requiring precise current control, including driving sensors, remote supplies, and serving as a precision current limiter for local supplies. It features internal protection circuitry such as reverse-battery, reverse-current, current limiting, and thermal limiting, ensuring robust operation under diverse conditions.
Key Specifications
| Parameter | Value |
|---|---|
| Output Current Range | 0.5mA to 200mA |
| Input Voltage Range | 1.2V to 40V |
| Set Pin Current Accuracy | 1% initial accuracy |
| Line Regulation | <0.001%/V typical |
| Operating Temperature Range | –40°C to 125°C |
| Package Types | 8-lead TSOT-23, 3-lead SOT-223, 8-lead 3mm × 3mm DFN |
| Protection Features | Reverse-battery, reverse-current, current limiting, thermal limiting |
Key Features
- Programmable 2-terminal current source
- No input or output capacitors required for stability
- High DC and AC impedance, suitable for intrinsically safe applications
- Low temperature coefficient and high current regulation accuracy
- Internal protection circuitry including reverse-battery, reverse-current, current limiting, and thermal limiting
- Available in various package types: 8-lead TSOT-23, 3-lead SOT-223, and 8-lead 3mm × 3mm DFN
Applications
- Driving sensors and remote supplies
- Precision current limiting for local supplies
- Intrinsically safe applications
- Automotive applications (with #W suffix models)
- General-purpose current source applications requiring high accuracy and stability
Q & A
- What is the output current range of the LT3092?
The output current range of the LT3092 is between 0.5mA and 200mA. - What is the input voltage range for the LT3092?
The input voltage range for the LT3092 is from 1.2V to 40V. - Does the LT3092 require external capacitors for stability?
No, the LT3092 does not require input or output capacitors for stability. - What is the accuracy of the set pin current?
The set pin current accuracy is 1% initial accuracy. - What protection features does the LT3092 have?
The LT3092 has reverse-battery, reverse-current, current limiting, and thermal limiting protection features. - In what package types is the LT3092 available?
The LT3092 is available in 8-lead TSOT-23, 3-lead SOT-223, and 8-lead 3mm × 3mm DFN packages. - What is the operating temperature range of the LT3092?
The operating temperature range of the LT3092 is –40°C to 125°C. - Is the LT3092 suitable for automotive applications?
Yes, versions of the LT3092 designated with a #W suffix are available for automotive applications. - What is the typical line regulation of the LT3092?
The typical line regulation of the LT3092 is <0.001%/V. - Can the LT3092 be used in intrinsically safe applications?
Yes, the LT3092 is suitable for intrinsically safe applications due to its high DC and AC impedance.
