Tag: DC-DC
Low-Cost Boost Converter 3.3V Input – 5V Output at 250mA
This is a low-cost boost converter that converts a 3.3V input to 5V at 250mA load current. The LM2578A chip is used to build this project. The LM2578A is a switching regulator which can easily be set up for such DC-to-DC voltage conversion circuits as the buck, boost and inverting...
Continue ReadingStep Up DC-DC Converter 12V Output – 5V Input
This high-performance, fixed frequency, current-mode PWM step-up DC/DC converter efficiently produces 12V from input voltages between 3.6V to 5.5V. The project is built using the PAM2423 chip, which includes an integrated power MOSFET that supports a peak current of up to 5.5A. The...
Continue Reading3.3V-5A Output DC-DC Converter with 10 to 24V Input
The project published here is a synchronous step-down DC/DC converter based on the RT7258 chip. The chip has integrated high-side internal power MOSFET and gate driver for a low-side external power MOSFET. The board delivers 3.3V DC - 5A output current from 10V to 24V input supply....
Continue Reading5V – 4A Buck Converter using NR110E
This powerful buck converter can efficiently produce 5 [email protected] with an input voltage between 7V to 31V. The project is built using the NR110E chip from Sanken Semiconductor. The IC integrates the power MOSFET. With current mode control, ultra-low ESR capacitors, such as ceramic...
Continue ReadingReinforced Isolated Current-Sense Amplifier with Precision ±250-mV Input, Differential output & Integrated DC/DC Converter
This isolated single-supply bidirectional current sensing project can accurately measure load currents from –2A to 2A. The linear range of the input is from –250mV to 250mV with a differential output range of –2.05V to 2.05V. The gain of the circuit is fixed at 8.2V/V. The...
Continue ReadingHigh Current DC-DC Converter – 12V/6A Output from 16V to 38V DC Input
The project presented here is a low quiescent current, synchronous buck converter featuring the LTC3807. This DC-DC converts a 16V to 38V input voltage to a 12V at 6A output. The main features of this board include an internal LDO for gate drive power from VIN or EXTVCC, RUN pins, a...
Continue Reading24V Boost Converter from 4.5V to 20V Input
The project presented here is a boost converter with 24V output from 4.5V to 20V DC Input. The project is built using an LT8357 chip and configured as a boost converter. Under voltage lockout, and soft-start are a few key features of the project. LED D1 indicates the output, and screw...
Continue ReadingStepdown DC-DC Converter with Current Limit
The step-down DC-DC Converter project presented here provides 3.3V @ 1A output from an input range of 8V to 36V DC. The adjustable current limit is an important feature of the project, which prevents the device from accidental output short circuits avoiding excessive load damage. The...
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