Electronics > Projects, Designs, and Technical Stuff
Replacement for 4-pin voltage regulator LM78GCP
Frankentronics:
Greetings,
Does anyone know, is there an equivalent replacement for the discontinued 4-pin voltage regulator LM78GCP?
https://www.datasheets360.com/pdf/1306101402837245463
Thanks...
bin_liu:
LM317 reform ;D
Vgkid:
--- Quote from: bin_liu on June 16, 2020, 01:50:30 am ---LM317 reform ;D
--- End quote ---
Agreed, or lm317hv, if you need a higher volt out.
Note: you will need to change the adjustment resistors.
Frankentronics:
Thanks guys.
I was hoping to not have to change the circuit, though.
So, just for my further information, I am assuming that 4-pin voltage regulators are outdated, correct?
Thanks...
floobydust:
UA78GU1C, LM78GCP, NTE953
The 4-pin IC's were popular in the 80's for a short time, still around as old stock for arcade games.
LM78GCP control (reference) is 5.0V compared to 1.25V for the LM317HV, so one resistor would have to be changed, and the pinout seems flipped though. It is possible to stuff one in place.
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