Dual output step-down charge pump operates without inductors
https://www.electronics-lab.com/dual-output-step-charge-pump-operates-without-inductors/
Linear Technology’s LTC3256 is a high voltage low noise dual output power supply, which takes a single positive input and generates 5V and 3.3V step-down supplies with high efficiency and no inductors. by Julien Happich @ edn-europe.com The device features a wide 5.5V to 38V input voltage range and includes independently enabled dual outputs: a […]
How to Improve Buck Converter Light Load Efficiency with an LDO
https://www.electronics-lab.com/improve-buck-converter-light-load-efficiency-ldo/
By Michael Hartshorne @ digikey.com: Designing a DC/DC converter that only consumes micro amps of current at no load can be compared to fueling a muscle car with lighter fluid – you may get it to work, but it won’t be easy. High efficiency at full load currents is commonplace in most modern DC/DC converters; […]
5V Step Down DC-DC Converter
https://www.electronics-lab.com/5v-step-dc-dc-converter/
The Tiny Step-Down DC-DC converter project provides 5V 500mA output from supply input up to 25V DC. 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 […]
ATtiny85 Boost Converter
https://www.electronics-lab.com/attiny85-boost-converter/
GreatScottLab @ instructables.com build a step up dc-dc converter with the help of ATtiny85 microcontroller. In this project I will show you an efficient and common way how to step up DC voltages. I will also demonstrate how easy it can be to build a boost converter with the help of an ATtiny85. Let’s get […]
Battery-charging considerations for low-power applications [PDF]
https://www.electronics-lab.com/battery-charging-considerations-low-power-applications/
By Tahar Allag: The wearable and personal-electronics industries are booming. Devices in this market vary wildly by application and use. These multifunction devices are designed to help people in their daily activities and make their lives comfortable. They can be found in different shapes, colors, sizes, and safety measures. They may differ significantly from each […]
12V to 28V Step Up DC-DC Converter
https://www.electronics-lab.com/12v-28v-step-dc-dc-converter/
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 […]
0.8A step-up DC/DC converters in a tiny package
https://www.electronics-lab.com/0-8a-step-dcdc-converters-tiny-package/
Torex Semiconductor’s XC9141/XC9142 series of 0.8A step-up DC/DC converters come with an input–output disconnection function (load disconnection function) to prevent malfunctioning during standby, and for device functionality that enables power supply to RTC. When the output voltage is 3.3V, the IC can start from an input voltage of 0.9V with a resistance load of 100Ω, […]
Basic Switching Voltage Regulator Tutorial
https://www.electronics-lab.com/basic-switching-voltage-regulator-tutorial/
James Lewis @ baldengineer.com discuss about switching regulator types and uses. A switching voltage regulator is one of my favorite circuits. In school, they were the first circuits I built where I understood how transistors worked. In fact, they were the first circuit I saw an inductor being useful! Switching regulators are incredibly efficient when designed […]
5V to 12V Step Up DC-DC Converter
https://www.electronics-lab.com/5v-to-12v-step-up-dc-dc-converter/
Step up DC-DC converter is based on LM2577-ADJ IC, this project provides 12V output using 5V input, maximum output load 800mA. The LM2577 are monolithic integrated circuits that provide all of the power and control functions for step-up (boost), fly back, and forward converter switching regulators. The device is available in three different output voltage […]
LTC7813 – Low IQ, 60V Synchronous Boost+Buck Controller
https://www.electronics-lab.com/ltc7813-low-iq-60v-synchronous-boostbuck-controller/
Linear Technology Corporation introduces the LTC7813, a dual output (boost + buck), low quiescent current synchronous DC/DC controller. When cascaded, its independent step-up (boost) and step-down (buck) controllers regulate the output voltage from an input voltage that can be above, below, or equal to the output voltage, including during an automotive load dump or cold […]