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Belleson – SPX78 +12V Superpower Regulator Positive Variable OutputSPX78 Superpower Regulators , our newest Belleson super regulator design. Fits TO-220 footprintBelleson combined two great ideas into an amazing symbiosis to create the latest advancement in super regulators. Bootstrap powered by its own clean and quiet output voltage, the Superpower has amazing line and load regulation, low noise, low drop-out voltage, low output impedance and super fast dynamic performance. Superpower can replace voltage regulators in your audio systems and give you the jaw-dropping performance you desireFeatures and Specifications:Variableoutput voltage with a single resistor, +5V to +30V3.3V output available as fixed.Lowest output impedance available110dB ripple rejection from DC to 50kHz3A output current<1V drop out at 2A<1V/Vout RMS noise, 20Hz-20kHz<1sec recovery time for a 250mA current stepNegative version also availablePins match LM78xx, LM340 and similar