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LT3092

Analog Devices

200mA 2-Terminal Programmable Current Source

LT3092 200mA 2-Terminal Programmable Current Source FEATURES n Programmable 2-Terminal Current Source n Maximum Output ...


Analog Devices

LT3092

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Description
LT3092 200mA 2-Terminal Programmable Current Source FEATURES n Programmable 2-Terminal Current Source n Maximum Output Current: 200mA n Wide Input Voltage Range: 1.2V to 40V n Input/Output Capacitors Not Required n Resistor Ratio Sets Output Current n Initial Set Pin Current Accuracy: 1% n Reverse-Voltage Protection n Reverse-Current Protection n <0.001%/V Line Regulation Typical n Current Limit and Thermal Shutdown Protection n Available in 8-Lead SOT-23, 3-Lead SOT-223 and 8-Lead 3mm × 3mm DFN Packages n AEC-Q100 Qualified for Automotive Applications APPLICATIONS n 2-Terminal Floating Current Source n GND Referred Current Source n Variable Current Source n In-Line Limiter n Intrinsic Safety Circuits DESCRIPTION The LT®3092 is a programmable 2-terminal current source. It requires only two resistors to set an output current between 0.5mA and 200mA. A multitude of analog techniques lend themselves to actively programming the output current. The LT3092 is stable without input and output capacitors, offering high DC and AC impedance. This feature allows operation in intrinsically safe applications. The SET pin features 1% initial accuracy and low temperature coefficient. Current regulation is better than 10ppm/V from 1.5V to 40V. The LT3092 can operate in a 2-terminal current source configuration in series with signal lines. It is ideal for driving sensors, remote supplies, and as a precision current limiter for local supplies. Internal protection circuitry includes reverse-ba...




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