Posts Tagged ‘transistor power supply’



5V Low Drop Out Regulator Low Volt by BD438

Tuesday, December 4th, 2007

This is circuit 5V Low Drop Out Regulator Low Volt. It use normal electronics part and easy circuit. Input Voltage 6V,Ouput Voltage 5V 0.5A. read detail more in image circuit. Related Links More Circuit Low Drop Out Regulator More circuit about 5V power supply Regulator 5V,6V,9V,12V 1A By IC 7805,7806,7809,7812 7805+Mj2955 power supply 5V 5A [...]

Power supply regulator 0-30V 1A by IC 741 + Transistor 2N3055 & 2N3565

Tuesday, May 22nd, 2007

This is circuit power supply regulator variable voltage 0-30V at 1A. it is old circuit I used IC ua741 or LM741 OP-AMP IC for control adjustable Votage by VR1 (see in image circuit). The transister 2N3055 is classic part for booster current up to 1Amin. I used transformer 2A. it big size in PCB but [...]

Regulated Power Supply by Transistor (TIP31)

Monday, May 14th, 2007

circuit Regulated Power Supply by Transistor (TIP31) This is simple dc power supply circuit. That use transistor be important equipment perform boost up current give the power goes up. By have the zener diode formed control voltage be stable the character Regulated base. By this circuit can give voltage 9 Volt at 1 Amp, be [...]