1A, 2 MHz, 60V boost/SEPIC/inverting DC/DC converter, 6µA Iq
https://www.electronics-lab.com/1a-2-mhz-60v-boostsepicinverting-dcdc-converter-6%c2%b5a-iq/
by Graham Prophet: LT8330 is a current mode, 2 MHz step-up DC/DC converter with an internal 1A, 60V switch. It operates from an input voltage range of 3V to 40V, making it suitable for applications with input sources ranging from a single-cell Li-Ion to automotive inputs. The device can be configured as either a boost, […]
LTC3335 – Nanopower Buck-Boost DC/DC with Integrated Coulomb Counter
https://www.electronics-lab.com/ltc3335-nanopower-buck-boost-dcdc-with-integrated-coulomb-counter/
The LTC®3335 is a high efficiency, low quiescent current (680nA) buck-boost DC/DC converter with an integrated precision coulomb counter which monitors accumulated battery discharge in long life battery powered applications. The buck-boost can operate down to 1.8V on its input and provides eight pin-selectable output voltages with up to 50mA of output current. The coulomb […]
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 […]
2A, 70V SEPIC/Boost DC/DC converter with 7µA Iq
https://www.electronics-lab.com/2a-70v-sepicboost-dcdc-converter-with-7%c2%b5a-iq/
by Graham Prophet @ edn-europe.com: LT8494 is a current mode, fixed frequency SEPIC/boost DC/DC converter with an internal 2A, 70V switch. Quiescent current of 7µA suits the device for always-on automotive or other industrial battery powered systems. The LT8494 starts up from an input voltage range of 2.5V to 32V and once running it operates from […]
A low-cost 0.5A 33V LED driver module with 90+% efficiency
https://www.electronics-lab.com/a-low-cost-0-5a-33v-led-driver-module-with-90-efficiency/
by Valentin Kulikov @ edn.com This article describes simple constant current driver module with fast PWM input that can be used for driving medium and high power LEDs. The module uses an integrated constant-current output, DC-DC buck converter with output current configurable from 0.1 to 0.5A. This article outlines the schematic, design guidelines, operation, and performance […]