executable code (“object code”)), data sheets, BOMs, schematics, application notes, design & development tools, evaluation board material (i.e. BOM, Gerber, . LM LM – 3-Terminal Negative Regulator, Package: to , Pin Nb=3. The LM79XX series of 3-terminal regulators is available with fixed output. LM datasheet, LM pdf, LM data sheet, datasheet, data sheet, pdf, Contek Microelectronics, 3-terminal 1A negative voltage regulator. Output.

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Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. The input capacitor 2.

I swapped the LM for another -5V regulator, the UPC, which gave the correct output but failed after a few seconds. This 7 Watts will be dissipated as heat.

These capacitors should be placed close to the terminals for them to work effectively. The output current of this IC can go up to 1. Brief Description on Voltage Regulator Voltage regulators are very common in electronic circuits. So our will provide a -5V output voltage.

Datasheet «LM7905»

The maximum value is mV. Although the datasheet does not specify or call for any minimum load, it also does not specify the performance at no load.


Why do we need Negative Voltage Regulators?

Message 1 of 5. Try putting a load resistor from each output to ground. Message dataaheet of 5. Multisim Voltage reg simulation. Depending on the construction of the model for the regulator, it is possible that it needs a minimum load.

This is a typical application circuit of the IC. Screen capture is attached. Also they should be of ceramic type, since ceramic capacitors are faster than electrolytic. If anyone has suggestions I would be most gratefull. Voltage regulators are very common in electronic circuits. My mistake must be simple, but I can’t spot it.

They provide a constant output voltage for a varied input voltage. In our case the IC datashdet an negative 5V regulator, meaning it provides -5V as output. Message 3 of 5.

noobie problem with voltage regulator simulation – Discussion Forums – National Instruments

Submitted by admin on 10 June Complete Technical Details can be found at the LM voltage regulator datasheet given at the end of this page.


Thanks Lynn I datasheer that with a 1k load and that resulted in an output voltage of TL — Programmable Reference Voltage. The output regulation is specified for a current change from 5 mA to 1 A. Most Active Software Boards: Message 4 of 5.

The convergence assistant suggest to switch the integration to the Gear algorithm, which resulted in a stable and correct output. So Multisim cannot simulate the output of a garden variety, ultra common, component like the LM In many cases where an Op-Amp is working in dual mode power supply a negative voltage will be regulated by these 79XX ICs.

Message 2 of 5.

LM Datasheet(PDF) – TI store

Negative voltage regulators are mainly used in Op-Amp and other circuits where a negative supply voltage is needed. Dagasheet changes to other options in the “Custom Analysis Options” dialog will improve the convergence. So I went back to the LM but that still resulted in the incorrect output. We just need two capacitors of vale 2.