executable code (“object code”)), data sheets, BOMs, schematics, application notes, design & development tools, evaluation board material (i.e. BOM, Gerber, . 3-TERMINAL 1A NEGATIVE VOLTAGE REGULATORS. The LM79XX series of three-terminal negative regulator. are designed for a wide range of applications. LM datasheet, LM pdf, LM data sheet, datasheet, data sheet, pdf, Contek Microelectronics, 3-terminal 1A negative voltage regulator. Output.

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My mistake must be simple, but I can’t spot it. Screen capture is attached. Try putting a load resistor from each output to ground.

LM Datasheet PDF –

Depending on the construction of the model for the regulator, it is possible that it needs a minimum load. Thanks Lynn I tried that with a 1k load and that resulted in an output voltage of I swapped the LM for another -5V regulator, the UPC, which gave the correct output but failed after a few seconds.


The convergence assistant suggest to switch the integration to the Gear algorithm, which resulted datsaheet a stable and correct output. So Multisim cannot simulate the output of a garden variety, ultra common, component like the LM Perhaps changes to other options in the “Custom Analysis Options” dialog will improve the convergence.

If anyone has suggestions I would be most gratefull. The output regulation is specified for a current change from 5 mA to 1 A. The maximum value is mV.

Datwsheet the datasheet does not specify or call for any minimum load, it also does not specify the performance at no load.

LM Datasheet(PDF) – National Semiconductor (TI)

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Message 1 of 5. Message 2 of 5. So I went back to the LM but that still resulted in the incorrect output.

Message 3 of 5. Message 4 of 5. Message 5 of 5.