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4hv.org :: Forums :: High Voltage
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how do i get 310v DC at 18 Khz from an SG 3525?

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stress
Mon Mar 11 2013, 10:51PM Print
stress Registered Member #10265 Joined: Mon Feb 25 2013, 08:16PM
Location:
Posts: 8
hello,
can anyone know how do i get 310v DC at 18 Khz from an SG 3525? any schematics?
please help me

thanks
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klugesmith
Mon Mar 11 2013, 11:49PM
klugesmith Registered Member #2099 Joined: Wed Apr 29 2009, 12:22AM
Location: Los Altos, California
Posts: 1716
310v DC at 18 Khz

Huh?

Your brevity is admirable (I tend to be long winded), but not at the expense of clarity.
What are you making? What input and output voltage, current, and frequency do you have in mind?

Have you lifted a finger to search 4hv or the internet? Google "sg3525" brings up datasheets and app notes, and if you click Images there are over 100 schematics.
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stress
Tue Mar 12 2013, 12:09AM
stress Registered Member #10265 Joined: Mon Feb 25 2013, 08:16PM
Location:
Posts: 8
hello again and thanks for your post
yes, i have googled the sg3525 and for images too but nothing help me
i know how to make 350,390v/ at 18 khz with sg 3525 but i don`t know how to stabilize it to 310v DC

the idea is simple:
1. i make from 12vDC, 310v DC stabilized with sg 3525 at 18 khz with transformer on ferrite (because of the minimal size)(i have tested and works fine at 18 Khz but is not stabilized)
2. i will transform the 310v DC/ 18 khz to 220v/ 50 hz with the irs 2153 driver from here: Link2

thanks for your time (and if you would like to hear, i have spend many days searching this forum and google for resolving this...)
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paris
Wed Mar 13 2013, 12:51AM
paris Registered Member #3042 Joined: Wed Jul 28 2010, 12:36AM
Location:
Posts: 121
those chips are same as TL494 , they have dead time . check this guy elkomak
TL494 etc are found in old computer ps, and car stereo =

Link2

Link2 = this site used to have a circuit board lay out maybe its still there, I havent been there for years

Link2 **= risto80 is elkomak






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