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LM1084 5A Low Dropout Positive Regulator


The LM1084 is a series of low dropout voltage positive regulators with a maximum dropout of 1.5V at 5A of load current. It has the same pin-out as National Semiconductor’s industry standard LM317. CityTech BD 

The LM1084 is available in an adjustable version, which can set the output voltage with only two external resistors. It is also available in three fixed voltages: 3.3V, 5.0V and 12.0V. The fixed versions intergrate the adjust resistors. CityTech BD 

The LM1084 circuit includes a Zener trimmed bandgap reference, current limiting and thermal shutdown. The LM1084 series is available in TO-220 and TO-263 packages. Refer to the LM1085 for the 3A version, and the LM1086 for the 1.5A version.

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  1. Post Regulator for Switching DC/DC Converter 
  2. High Efficiency Linear Regulators 
  3. Battery Charger


  1. Available in 3.3V, 5.0V, 12V and Adjustable Versions 
  2. Current Limiting and Thermal Protection 
  3. Output Current 5A 
  4. Industrial Temperature Range −40˚C to 125˚C 
  5. Line Regulation 0.015% (typical) 
  6. Load Regulation. CityTech BD 
General Specification
Minimum Output Voltage (V)3.270
Maximum Output Voltage (V)3.365
Product TypeLM10845A Low Dropout Positive Regulators
Operating Temperature Range (°C)–55° C to +125° C
Mounting TypeThrough Hole
Shipment Weight0.005 kg
Shipment Dimensions3 × 3 × 3 cm


  1. Datasheet

Package Includes:

1 x LM1084 5A Low Dropout Positive Regulator


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