Analog Devices

LT3092IST#PBF

Power Management

Manufacturer
MPN
LT3092IST#PBF
Product Type
Package / Case
SOT-223-3
Key Attributes
200mA 2-Terminal Programmable Current Source

Technical Specifications

TypeDescription
FeaturesProgrammable output current;Overcurrent Protection
Output Current200 mA
Supply Voltage1.2V~40V
TypeDescription
Operating Temperature-40°C~+125°C
TypeCurrent Source
Package / CaseSOT-223-3

Product Introduction

The LT3092 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 - battery and reverse - current protection, current limiting and thermal limiting. The LT3092 is offered in the 8 - lead TSOT - 23, 3 - lead SOT - 223 and 8 - lead 3mm × 3mm DFN packages.

Features

  • Programmable 2 - Terminal Current Source
  • Maximum Output Current: 200mA
  • Wide Input Voltage Range: 1.2V to 40V
  • Input/Output Capacitors Not Required
  • Resistor Ratio Sets Output Current
  • Initial Set Pin Current Accuracy: 1%
  • Reverse - Voltage Protection
  • Reverse - Current Protection
  • < 0.001% /V Line Regulation Typical
  • Current Limit and Thermal Shutdown Protection
  • Available in 8 - Lead SOT - 23, 3 - Lead SOT - 223 and 8 - Lead 3mm × 3mm DFN Packages

Applications

  • 2 - Terminal Floating Current Source
  • GND Referred Current Source
  • Variable Current Source
  • In - Line Limiter
  • Intrinsic Safety Circuits

Datasheet

📄 Open Download

Compliance & Export Codes

TypeDetails
RoHSROHS3
ECCNEAR99
CNHTS8504902000
USHTS8504909690
TARIC8504909000
TypeDetails
CAHTS8504909090
BRHTS85049020
INHTS85049090
MXHTS8504.90.99

Sourcing Information

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