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Old 1st March 2013, 08:20 AM   #1
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Default Smps with IR2153 for audio amplifier

My design an switching power supply use IR2153 + mofet(or IBGT) for audio amplifier

+/-63V,12A (unregular)
+/-15V,800mA for pre amplifier circuit
+12V,800mA for protect circuit,fan,...

size 12x12cm
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Old 1st March 2013, 08:33 AM   #2
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Testing with load is resistor 30ohm(4.2A) + 1 lamp(0.6A) = 4.8A from B+ to B- ( total 126V = 63Vx2)

P = 126x4.8A = 604W not use fan in 2h
Heatsink for mosfet about 95 oC,if use small fan is power higher
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Old 16th March 2013, 03:55 AM   #3
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Looks good
But it is not EMC
AC input socket mounting holes distance can be passed safety tests?
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Old 16th March 2013, 04:27 PM   #4
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Quote:
Originally Posted by hien.t.nguyen View Post
My design an switching power supply use IR2153 + mofet(or IBGT) for audio amplifier

+/-63V,12A (unregular)
+/-15V,800mA for pre amplifier circuit
+12V,800mA for protect circuit,fan,...

size 12x12cm
Nice - please keep us posted.
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Old 19th March 2013, 02:16 AM   #5
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nice smps
warm regards
andrew lebon
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Old 19th March 2013, 02:28 AM   #6
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Default IR2153 SMPS

TRYING IR2153 SMPS
warm regards
andrew lebon
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Old 19th March 2013, 02:35 AM   #7
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Default IR2153 SMPS

Simple smps ir2153
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Old 19th March 2013, 02:38 AM   #8
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Quote:
Originally Posted by andrewlebon View Post
TRYING IR2153 SMPS
warm regards
andrew lebon
Thank all

I have an smps about 2.6kw
+/-100V,26A,use fan for heatsink
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Old 19th March 2013, 02:42 AM   #9
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Hi Hien.t nguyen
greetings you are a proffessional designer and a clever one pm sent
warm regards
andrew lebon
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Old 19th March 2013, 02:45 AM   #10
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here are schematic of smps 2.6kW
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Last edited by hien.t.nguyen; 19th March 2013 at 02:55 AM.
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