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Salas SSLV1.3 UltraBiB shunt regulator
Salas SSLV1.3 UltraBiB shunt regulator
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Old 21st April 2021, 05:19 AM   #2771
Crazoff is offline Crazoff  Russian Federation
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Manniraj, thank you for reminding me. I wanted to ask a question about LEDs. I used Kingbright L-7104LSRD (L-934LSRD) is this replacement acceptable? Thanks.
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Old 21st April 2021, 09:44 AM   #2772
daansan is offline daansan
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I've read somewhere that the UltraBib does not like a capacitive load? I'm considering to use a bipolar pair of UBib's to power my Twisted Pear Mercury Output Stage which has 2 330uf caps per rail. Can someone share experiences around utilizing the Ubib with such a load?
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Old 21st April 2021, 10:04 AM   #2773
Salas is offline Salas  Greece
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Salas SSLV1.3 UltraBiB shunt regulator
Leds can be various. Most reds & greens have steep enough If/Vf curve at low mA. If those available have published data compare their If/Vf curves and choose the steeper one.

I have successfully tested the V1.3 with a 2200uF capacitor connected as load. There is a picture of that somewhere early in the thread. The thing that it does not like is a very low ESR capacitor, say a film capacitor, directly on its output connector.
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Old Yesterday, 08:35 AM   #2774
manniraj is offline manniraj  India
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Quote:
Originally Posted by Crazoff View Post
Manniraj, thank you for reminding me. I wanted to ask a question about LEDs. I used Kingbright L-7104LSRD (L-934LSRD) is this replacement acceptable? Thanks.
I hope using this LED was fine in your psu and the voltage is stable without any issues?

Thanks
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Old Yesterday, 08:51 AM   #2775
Crazoff is offline Crazoff  Russian Federation
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Hello, I have not tested the regulator very closely yet. The launch was almost without problems, the voltage is regulated, stable. Still, I plan to replace the LEDs with L383SRDT.
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Old Yesterday, 10:42 AM   #2776
manniraj is offline manniraj  India
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Quote:
Originally Posted by Crazoff View Post
Hello, I have not tested the regulator very closely yet. The launch was almost without problems, the voltage is regulated, stable. Still, I plan to replace the LEDs with L383SRDT.
Thanks they are a bit expensive, but let me also get few and try in my builds.
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