Unipolar to Bipolar DC Converter 30V to ±15V

30V to ±15V DC ConverterMaximum input voltage for this circuit is 30 volts . Thus, the output, we get ±15 Volts. current load – 1A .

The principle of the converter similar to a compensation voltage. DA1 exemplary chip compares the voltage to the noninverting input with resistor divider R1-R3 with the voltage coming to the inverting input from the output device. According to the corrected output signal, which regulates unlocking / locking of the output transistors. The maximum voltage is limited only by the supply voltage operational amplifier. A current output – set output transistors. Such is the useful thing.

Parts list :

C1 100µF/25V
C2 100µF/25V
R1 510Ω
R3 510Ω
R2 1KΩ
R5 200Ω
R4 10KΩ
T1 KT815
T2 KT816
DA1 K140UD7

Power supply is an electronic device that supplies electric energy to an electrical load. The primary function of a power supply is to convert one form of electrical energy to another and, as a result, power supplies are sometimes referred to as electric power converters. Some power supplies are discrete, stand-alone devices, whereas others are built into larger devices along with their loads. Examples of the latter include power supplies found in desktop computers and consumer electronics devices.

Tags: +- 15 V / 1 A power supply 30V to +-15V converter dc dc converter dc to dc converter unipolar to bipolar converter

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    vinod6 years ago

    How to generate +2.5 and -2.5 voltages from a single +3 Volts Battery