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Regulated Power Supply 30V 5A

2015-03-24 17:23  
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This is a Regulated 0-30 V DC Power Supply manufactured by me in small numbers, 0-30V 5A and 5V -5A. It had a Switching Preregulator. This keeps the Vce across Transistor Bank at the Back of Instrument, at the lowest possible level, in order to keep them Cool. When Vce and Ic both are more in a Power transistor it will get heated more, then the efficiency of power supply is low.

Variable Regulated Power Supply

The Output had both Constant Current Control and Constant Voltage Control. The CC control is also a Short circuit protection. The Output was protected from outside voltages damaging output circuits even when equipment is switched off. The back panel is a finned anodized black aluminum heat sink with many transistors.

I looked for the circuits to scan them, i could not find it. I made-n-sold quite a few of them years ago. All of them work well even today as i over-rated most components. The cabinet was Steel for EMI-RFI Immunity, it was painted with Stipple Matt Powder Coating, the Cabinet maker had just learnt to give such a finish to his boxes.

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Electronics CoolingHeat sinks for transistorsESP – Heatsink design and transistor mountingTechnical PapersHeat sink – Wikipedia, the free encyclopediaPower Supply Adjustable 303-30 V/2.5 A Stabilized power supplySmall Variable power SupplyPower SuppliesThe educational encyclopedia, SuppliesBuild A 10 Amp 13.8 Volt Power SupplyBench Top Power Supply, 30V – 10amp40A Power Supply UnitPower Design Section

Study these applications at IRF Applications and ST Application Segments.

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