Help me identify 142en3a Russian IC

[fjpompeo]

142en3a Russian IC

Hi all,
What IC is this 142en3a Russian part used in this linear PSU:
**broken link removed**
Is it compatible with LM723?

73,

Fernando - PU2PLL - Brazil

 

[keith1200rs]

142en3a Russian IC

It doesn't look like the LM723, but I don't know what it is.

Keith.

 

[karesz]

142en3a Russian IC

Hi all,
Their are two "East Fun" sites here, maybe they can (in German) help for some more knowledge:
(not only) DDR Schema(Schaltplan) Downloads: **broken link removed**
RFT Fan Seite: **broken link removed**
K.

 

[karesz]

142en3a Russian IC

Hi Fernando,
I found a source for your Russian IC: https://www.evita.lt/p-catalogue/id-1/sel-142/st-100/rusiskos-mikroschemos_100.html
K.

 

[Viacheslav]

Re: 142en3a Russian IC

This is adjastable regulator with shutdown pin, protected against overcurrent and overtemperature
Electrical Characteristics:
Vin = 9..45V
Iout<=1000mA
Dropout Voltage >=0.3V
Uout= 3..30V
P<=6W

 

[karesz]

142en3a Russian IC

Hi Viachi,
I would say; these is a nice Hi-military development!?
Tnx for the pic!
K.