Category Archives: DC Converter



1 – 9V Variable Desktop Power Supply

Here the variable desktop power supply which will convert a high input voltage (12V) from the SMPS / PSU of a desktop computer into small output voltage (1.25 to 9 volts). This converter will be very beneficial for electronics hobbyists. An adjustable three-pin voltage regulator chip LM317T (IC1) is applied right here to deliver the… Read More »

Car Cigar Lighter to USB Power Socket

Here is the schematic design of car cigar lighter to USB power port. Nowadays, almost all computer systems have logic blocks for working with a USB port. In practice, a USB port is capable of supplying more than 100 mA of continuous electric current at 5V to the peripherals which are hooked up with the… Read More »

DC to DC Converter +5V to +12V

This is the fixed 5V to 12V DC to DC converter. The circuit application converts input voltage of 5V (range 4.5V-5.5v) to 12V fixed regulated DC output. The circuit built based National regulator monolithic IC LM2586 which is specifically designed for flyback, step-up (boost), and forward converter circuit applications. The LM2586 will require a heat… Read More »

5VDC to 12VDC LT1070 Boost Converter

This is a 5VDC to 12VDC boost converter circuit built based LT1070. The LT1070/LT1071 are monolithic high power switching regulators. They can be operated in all standard switching configurations including buck, boost, flyback, forward,inverting and “Cuk”. A high current, high efficiency switch is included on the die along with all oscillator, control and protection circuitry.

6V to 12V DC to DC Voltage Converter

This is the circuit diagram of 6V to 12V DC to DC voltage converter (6V to 12V DC voltage doubler). This is the active circuit for voltage doubling from 6 volt to 12 volt DC with 1A maximum current. The IC is used as switcher device. Schematic diagram: Components and its usage: IC Switcher/regulator LM2577T-ADJ… Read More »



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