LT3092MPST#PBF

Current Regulation/Management Overview

The LT3092MPST#PBF is a precision, two-terminal programmable current source manufactured by Analog Devices Inc. It operates within an input voltage range of 1.2 V to 40 V and delivers a maximum output current of 200 mA. The device features high accuracy with a typical tolerance of 1% and maintains low quiescent current consumption of approximately 300 µA. Designed for surface-mount applications, it is available in an 8-lead TSOT-23 package. The component supports extended industrial operating temperatures ranging from -40 °C to +125 °C, ensuring reliable performance in demanding environments.

Current Regulation/Management Feature Summary

• Two-terminal architecture requiring only external resistors for programming
• High precision current regulation with 1% initial accuracy
• Wide input voltage compatibility supporting 1.2 V to 40 V operation
• Low power consumption suitable for battery-powered systems

Current Regulation/Management Applications

• LED driver circuits requiring constant current regulation
• Battery charging current limiters
• Transistor biasing networks
• Current source references for analog signal conditioning

Current Regulation/Management Procurement Notes

Verify the specific MP suffix indicates military-grade qualification or extended temperature reliability before finalizing procurement. Confirm package availability as the standard commercial variant typically utilizes TSOT-23 packaging. Ensure supply chain channels provide traceability documentation required for qualified components. Cross-reference datasheet revisions to confirm pinout consistency with existing designs.

Current Regulation/Management Selection Notes

Select this component when a simple, resistor-programmable current source is required without complex control loops. The two-terminal design simplifies PCB layout compared to three-terminal regulators. Consider the 200 mA output limit and 40 V maximum input voltage when sizing the circuit. Verify thermal dissipation requirements for the TSOT-23 package under maximum load conditions.

Current Regulation/Management Part Context

The LT3092 belongs to Analog Devices' family of precision current sources designed for simplicity and accuracy. Unlike traditional linear regulators that maintain constant voltage, this device regulates current flow regardless of load impedance variations within its compliance window. The MP designation typically denotes enhanced reliability specifications compared to standard commercial grades.

Current Regulation/Management Replacement Considerations

LT3092IDD#TRPBF: Commercial grade alternative in DFN-8 package with identical electrical characteristics but different physical footprint.

Current Regulation/Management FAQ

How is the output current programmed?

The output current is set using two external resistors connected between the terminals, allowing adjustment across the specified range.

What is the maximum input voltage?

The device supports a maximum input voltage of 40 V.