Overview
The LT3092MPST#PBF is a programmable 2-terminal current source produced by Analog Devices Inc. This component is designed to provide a precise and adjustable current output, making it versatile for various power management applications. It requires only two external resistors to set the output current, which can range from 0.5mA to 200mA. The LT3092MPST#PBF is available in a 3-lead SOT-223 package, offering a compact solution for current sourcing needs.
Key Specifications
| Parameter | Value |
|---|---|
| Brand | Analog Devices Inc. |
| Description | Programmable Current Source |
| Package / Case | 3-Lead SOT-223 |
| Supply Voltage - Max | 40 V |
| Supply Voltage - Min | 1.2 V |
| Operating Supply Current | 300 uA |
| Minimum Operating Temperature | -55°C |
| Maximum Operating Temperature | +125°C |
| Mounting Style | SMD/SMT |
| Output Current | 0.5mA to 200mA |
| Accuracy | 1% |
| Input/Output Capacitors Required | No |
Key Features
- Programmable 2-terminal current source with adjustable output current between 0.5mA and 200mA using two external resistors.
- Wide input voltage range from 1.2V to 40V.
- No input or output capacitors required.
- High accuracy with initial set pin current accuracy of 1%.
- Internal protection circuitry includes reverse-voltage protection, reverse-current protection, current limiting, and thermal limiting.
- Low line regulation of less than 0.001%/V.
Applications
- Local power supplies requiring precision current sourcing.
- Current limiting for power management in various electronic systems.
- Automotive applications where robust and reliable current sourcing is necessary.
- Industrial and consumer electronics requiring adjustable current sources.
- Energy harvesting and power monitoring systems.
Q & A
- What is the LT3092MPST#PBF used for?
The LT3092MPST#PBF is a programmable 2-terminal current source used for providing adjustable current outputs in various power management applications.
- What is the output current range of the LT3092MPST#PBF?
The output current range is from 0.5mA to 200mA.
- What is the input voltage range of the LT3092MPST#PBF?
The input voltage range is from 1.2V to 40V.
- Does the LT3092MPST#PBF require external capacitors?
No, the LT3092MPST#PBF does not require input or output capacitors.
- What kind of protection does the LT3092MPST#PBF have?
The LT3092MPST#PBF includes reverse-voltage protection, reverse-current protection, current limiting, and thermal limiting.
- What is the operating temperature range of the LT3092MPST#PBF?
The operating temperature range is from -55°C to +125°C.
- How is the output current set on the LT3092MPST#PBF?
The output current is set using two external resistors based on the resistor ratio relative to a fixed 10μA current source.
- What package type is the LT3092MPST#PBF available in?
The LT3092MPST#PBF is available in a 3-lead SOT-223 package.
- Is the LT3092MPST#PBF suitable for automotive applications?
Yes, the LT3092MPST#PBF is suitable for automotive applications, especially with versions designated for automotive use.
- What is the accuracy of the LT3092MPST#PBF?
The initial set pin current accuracy is 1%.
- How does the LT3092MPST#PBF handle thermal regulation?
The device includes thermal limiting and shutdown protection to ensure reliable operation.
