100V, 1A, synchronous step-down regulator: Iq of 7µA
https://www.electronics-lab.com/100v-1a-synchronous-step-down-regulator-iq-of-7%c2%b5a/
by Graham Prophet @ edn-europe.com: LT8631 is a 1A, 100V-input-capable synchronous step-down switching regulator. Synchronous rectification delivers efficiency as high as 90% while Burst Mode operation keeps quiescent current under 7µA in no-load standby conditions. Its 3V to 100V input voltage range suits it for 48V automotive systems, dual battery transportation, industrial and 36V to 72V […]
Power supply IC generates low-noise bipolar (+/-) power rails
https://www.electronics-lab.com/power-supply-ic-generates-low-noise-bipolar-power-rails/
by Graham Prophet @ edn-europe.com: LTC3265 is a high voltage, highly integrated, low noise dual output power supply IC which takes a single positive input supply (VIN_P) and generates low noise bipolar rails up to ±2•VIN_P without any inductors. High voltage boost and inverting charge pumps deliver low noise dual outputs with post-regulating ±50 mA LDOs […]
How to control LM2596 buck-converter with microcontroller
https://www.electronics-lab.com/how-to-control-lm2596-buck-converter-with-microcontroller/
by hugatry @ hackvlog.com: Every now and then someone asks on different forums if there is an way to control cheap LM2596 modules with an Arduino or another microcontroller. I decided to demonstrate one solution that might be basic electronics for some, but still many don’t know about. Those buck converters will change the output voltage […]
Buck-boost regulator achieves high efficiency
https://www.electronics-lab.com/buck-boost-regulator-achieves-high-efficiency/
by Susan Nordyk @ edn.com: Using adaptive current-limit PFM (pulse frequency modulation) control, the ISL9120 switching regulator from Intersil realizes efficiencies of up to 98%, while automatically transitioning between buck and boost modes without significant output disturbance. The part accommodates a wide input voltage range of 1.8 V to 5.5 V and has an adjustable […]
LM2596 DC-DC Converter Module Testing
https://www.electronics-lab.com/lm2596-dc-dc-converter-module-testing/
by Kerry D. Wong: LM2596 based step-down DC-DC converter modules can be bought on eBay quite cheaply for around a dollar each. But how do they perform? Is it safe to use it to power your design? Let’s find out. According to TI’s website, these LM2596 step-down (buck) regulators are sold for $1.8 each for a […]
Buck converter is pin-programmable
https://www.electronics-lab.com/buck-converter-is-pin-programmable/
by Susan Nordyk @ edn.com: Housed in a tiny 3×3-mm QFN package, the MIC24046-H synchronous step-down regulator from Micrel offers efficiency of greater than 90% peak and pin-selectable output voltage, switching frequency, and current limit. A wide input voltage range of 4.5 V to 19 V makes the part useful for distributed 12-V point-of-load applications. The […]