1.2V-32V @3A Variable Switching Regulator using LM317
https://www.electronics-lab.com/1-2v-32v-3a-variable-switching-regulator-using-lm317/
The circuit presented here is based on LM317. Generally, LM317 is known as a linear regulator IC, but here the circuit operates as a switching regulator. This circuit operates by transferring energy from the input to the output by using a solid state switch. Power Efficiency of a switching regulator is much higher than the […]
Multiphase, 60V synchronous boost controller peaks at 97%
https://www.electronics-lab.com/multiphase-60v-synchronous-boost-controller-peaks-97/
LTC3897 is a multiphase synchronous boost DC/DC controller with input surge stopper and ideal-diode controller. The boost controller drives two N-channel power MOSFET stages out-of-phase to reduce input and output capacitor requirements, enabling the use of smaller inductors versus the single-phase equivalent. By Graham Prophet @ edn-europe.com: Synchronous rectification increases efficiency, reduces power loss and […]
Step Up DC-DC Converter – 12V TO 28V DC 175mA
https://www.electronics-lab.com/step-dc-dc-converter-12v-28v-dc-175ma/
The Step-Up DC-DC Converter project provides 28V, 175mA output with input of 12V DC. The MC34063A IC is heart of the project from On semiconductor. The MC33063A is a monolithic control circuit containing the primary functions required for DC-DC converters. This device consist of an internal temperature compensated reference, comparator, controlled duty cycle oscillator with […]
12V to 24V 1A DC-DC Boost Converter using LM2588
https://www.electronics-lab.com/12v-24v-1a-dc-dc-boost-converter-using-lm2588/
12V To 24V Booster is based on LM2588 IC from Texas Instruments. The LM2588 regulator integrated circuit specifically designed for fly-back, step-up (Boost) , and forward converter. The board provides 24V DC 1A DC output, Input 8V to 16V DC. Board has minimum components, screw terminal provided for input & outputs. Features Supply Input 8V […]
2.7V-4.2V input to 3.3V output Buck-Boost Converter
https://www.electronics-lab.com/2-7v-4-2v-input-3-3v-output-buck-boost-converter/
This project shows a DC-DC buck boost circuit which can produce an output of 3.3V for an input of 2.7V to 4.2V , for example from a Li-on battery. The Circuit uses LTC3440 Buck boost IC which is a fixed frequency boost converter. To get high efficient results, inductor with high frequency core material should […]
LT8390 – 60V Synchronous 4-Switch Buck-Boost Controller with Spread Spectrum
https://www.electronics-lab.com/lt8390-60v-synchronous-4-switch-buck-boost-controller-spread-spectrum/
The LT8390, is a synchronous buck-boost DC/DC controller that can regulate output voltage, and input or output current from input voltages above, below and equal to the output voltage. Its 4V to 60V input voltage range and 0V to 60V output voltage range are ideal for voltage regulator, battery and supercap charger applications in automotive, […]
LTC3786 – Efficient boost controller takes the heat
https://www.electronics-lab.com/ltc3786-efficient-boost-controller-takes-heat/
Linear Technology has launched a higher-temperature 150°C version of its LTC3786 step-up DC/DC controller that boasts 98% efficiency. This H-grade device replaces the boost diode with an N-channel MOSFET for higher efficiency and reduced power loss. by Susan Nordyk @ edn.com: The controller produces a 24-V, 5-A output from a 12-V input with up to […]
$14.5 All-Purpose Switched-Mode Power Supply
https://www.electronics-lab.com/14-5-purpose-switched-mode-power-supply/
Switching technology devices and integrated circuits are growing fast providing solutions that obtain power for different kind of circuits and devices, and they are proposed in different variations. A useful little known kind which is suitable for mixed supply systems is called SEPIC,single-ended primary-inductor converter. Torpedo is a switched-mode power supply with a SEPIC configuration […]
Dual input, 2.5A step-down DC/DC achieves 95% efficiency
https://www.electronics-lab.com/dual-input-2-5a-step-dcdc-achieves-95-efficiency/
by Graham Prophet @ edn.com: LTC3126 is a 2.5A, 2.4V to 42V input, synchronous step-down switching regulator with integrated dual input PowerPath control. Its power stage topology enables operation from either of two independent power sources, with seamless, internally controlled transitions between inputs to ensure a stable output voltage during hot-plug and power source disconnect […]
LTC3623 – Switching regulator doubles as Class-D audio amplifier
https://www.electronics-lab.com/ltc3623-switching-regulator-doubles-class-d-audio-amplifier/
Clemens Valens @ elektormagazine.com discuss about LTC3623 switching regulator which can be used as Class-D Audio Amplifier. Sure thing, Elektor has published several designs of adjustable power supplies based on switching regulators, so we know that doing this properly in a reproducible way and without making things overly complex requires some serious head scratching. The […]