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Power supply circuit diagrams

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Applications with Voltage Regulator L200
Applications with Voltage Regulator L200
August 4, 2010

Here they exist two regulator circuits, that use the IC L200, as regulator of voltage and current, the company SGS-Thomson, which give these circuits. In circuit Fig.1, we can regulate the output voltage, with the... [more]

Power Supply +50V 3A stabilized and regulated
Power Supply +50V 3A stabilized and regulated
August 4, 2010

Many times we needed a stabilized, together regulated power supply and high relatively output voltage. These specifications him it cover our circuit. It 's a circuit that can give in his exit + 40V until... [more]

Power Supply Adjustable 0V-30V DC/2A
Power Supply Adjustable 0V-30V DC/2A
August 4, 2010

It is a simple circuit regulated power supply, based on the known LM 723, that drive a transistor Q1 [2N3055]. The regulation of voltage, of expense becomes with potentiometer R1 from 0v-30v DC roughly. In... [more]

Adjustable Symmetrical Power Supply ± 125 until ±30V 1A
Adjustable Symmetrical Power Supply ± 125 until ±30V 1A
August 4, 2010

This is the voltage converter to get the voltage of ±1,25-30V from the input voltage of ±35V. I am using the 3 terminal voltage regulator for the voltage to be changed in this unit. [more]

Power Supply 0-15V / 1A
Power Supply 0-15V / 1A
August 4, 2010

This circuit of power supply, are very simple in the manufacture, the finding of his materials , is very easy and cost, small. The output voltage is stabilised and is regulated in the region from... [more]

Simple Adjustable Voltage Source
Simple Adjustable Voltage Source
August 4, 2010

A simple but less efficient methode of controlling a DC voltage is to use a voltage divider and transistor emitter follower configuration. [more]

LM317T Variable Voltage Regulator
LM317T Variable Voltage Regulator
August 4, 2010

The LM317T is a adjustable 3 terminal positive voltage regulator capable of supplying in excess of 1.5 amps over an output range of 1.25 to 37 volts. The device also has built in current limiting... [more]

LM317T Voltage Regulator with Pass Transistor
LM317T Voltage Regulator with Pass Transistor
August 4, 2010

The LM317T output current can be increased by using an additional power transistor to share a portion of the total current. The amount of current sharing is established with a resistor placed in series with... [more]

Variable 3 - 24 Volt / 3 Amp Power Supply
Variable 3 - 24 Volt / 3 Amp Power Supply
August 4, 2010

This regulated power supply can be adjusted from 3 to 25 volts and is current limited to 2 amps as shown, but may be increased to 3 amps or more by selecting a smaller current... [more]

Variable Voltage and Current Power Supply
Variable Voltage and Current Power Supply
August 4, 2010

Another method of using opamps to regulate a power supply is shown. The power transformer requires an additional winding to supply the op-amps with a bipolar voltage (+/- 8 volts), and the negative voltage is... [more]



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