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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LM7905 Datasheet

Screen capture is attached. TL — Programmable Reference Voltage. Submitted by admin on 10 June Multisim Voltage reg datasheeet. Voltage regulators are very common in electronic circuits. Although the datasheet does not specify or call for any minimum load, it also does not specify the performance at no load. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type.

LM Datasheet(PDF) – National Semiconductor (TI)

Message 4 of 5. Brief Description on Voltage Regulator Voltage regulators are very common in electronic circuits.

The output current dtaasheet this IC can go up to 1.


So I lm705 back to the LM but that still resulted in the incorrect output. In many cases where an Op-Amp is working in dual mode power supply a negative voltage will be regulated by these 79XX ICs. So our will provide a -5V output voltage.

Message 3 of 5. Also they should be of ceramic type, since ceramic capacitors are faster than electrolytic. They provide a constant output voltage for a varied input voltage. My mistake must be simple, but I can’t spot it.

In our case the IC is an negative 5V regulator, meaning it provides -5V as output. Message 2 of 5. If anyone has suggestions I would be most gratefull. The convergence assistant suggest to switch the integration to the Gear algorithm, which resulted in a stable and correct output.

So Ddatasheet cannot simulate the output of a garden lm79905, ultra common, component like the LM This is a typical application circuit of the IC. The input capacitor 2. Negative voltage regulators are mainly used in Op-Amp and other circuits where a negative supply voltage is needed.

Multisim and Ultiboard

Most Active Software Boards: The maximum value is mV. Complete Technical Details can be found at the LM voltage regulator datasheet given at the end of this page.


Depending on the construction of the model for the regulator, it is possible that it needs a minimum load. Why do we need Negative Voltage Regulators?

LM Negative Voltage Regulator Pinout, Specs, Circuit & Datasheet

This 7 Watts will be dissipated as heat. We just need two capacitors of vale 2. I swapped the Lj7905 for another -5V regulator, the UPC, which gave the correct output but failed after a few seconds. The output regulation is specified for a current change from 5 mA to 1 A. Thanks Lynn I tried that with a 1k load and that resulted in an output voltage of Message 1 of 5. Perhaps changes to other options in the “Custom Analysis Options” dialog will improve the convergence.

These capacitors should be placed close to the terminals for them to work effectively. Message 5 of 5. Try putting a load resistor from each output to ground.