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Switched-capacitor voltage multiplier achieves 95% efficiency
Switched-capacitor voltage multiplier achieves 95% efficiency
10.17.2017 · Circuits
A capacitor that you charge through a resistor operates at 50% efficiency; hence, many engineers avoid using switched-capacitor dc/dc converters. That efficiency figure holds true only for capacitors with no initial voltage, however...
40VIN, 2A Silent Switcher μModule Regulator in 6.25mm x 4mm BGA Package
40VIN, 2A Silent Switcher μModule Regulator in 6.25mm x 4mm BGA Package
10.17.2017 · News
Analog Devices announces the LTM8063, a 40 VIN, 2 A μModule stepdown regulator in a tiny 6.25 mm × 4 mm BGA package. The package size is 75% smaller than the existing equivalent product...
Switching & Protecting Electronics in Battery-Powered Systems
Switching & Protecting Electronics in Battery-Powered Systems
10.16.2017 · Articles
Battery-powered electronics poses multiple challenges to the power system engineer. At a theoretical level, the battery related circuitry (before DC/DC conversion) may be divided into four functions: power selection, charging (for rechargeable batteries), monitoring and protection...
Torex has Launched Synchronous Step-Down DC/DC Converters with HiSAT-COT Technology
Torex has Launched Synchronous Step-Down DC/DC Converters with HiSAT-COT Technology
10.16.2017 · News
Torex Semiconductor has launched a new series of 3.0 A synchronous rectification DC/DC stepdown converters (XC9274/XC9275) with our unique HiSAT-COT high-speed transient response control...
Turn negative regulator «upside-down» to create bipolar supply from single source
Turn negative regulator «upside-down» to create bipolar supply from single source
10.12.2017 · Circuits
Despite the ever-growing choices among single-supply “Rail-to-Rail” op-amps, it will always remain true that the only way to design an output stage active all the way down to zero volts is for the design to include a negative power supply. This fact of life can be an annoying complication in simple battery-powered applications for example...
Navitas GaN Power ICs Enable World's Smallest 65W USB-PD Laptop Adapter
Navitas GaN Power ICs Enable World's Smallest 65W USB-PD Laptop Adapter
10.12.2017 · News
Navitas Semiconductor announced the world’s smallest 65 W USB-PD adapter reference design, to keep pace with the dramatic size and weight reductions in laptop designs over the last 10 years. High-frequency, high-efficiency AllGaNTM Power ICs are used to deliver 65 W in only 45 cm3 / 2.7 in3 and only 60 g in weight...
Ultra-Compact Low Profile 2-Color Chip LEDs
Ultra-Compact Low Profile 2-Color Chip LEDs
10.12.2017 · News
ROHM has recently announced the availability of the industry's smallest class (1608 size) of 2-color chip LEDs. In addition to their breakthrough size, the SML-D22MUW features a special design that improves reliability along with a backside electrode configuration that supports high-resolution displays...
Powering a precision SAR ADC using a high efficiency, ultralow power switcher in power sensitive applications. Part 2
Powering a precision SAR ADC using a high efficiency, ultralow power switcher in power sensitive applications. Part 2
10.11.2017 · Articles
If the ADC throughput is reduced to 10 kSPS then the current consumption of the ADC scales linearly down to 15 μA and correspondingly, the switching frequency ripple of the ADP5300 scales to 46.5 Hz (factor of ~100) with an amplitude of 55 mV peak-to-peak...
Kionix's New KX220 Analog Accelerometers for the Industrial Market
Kionix's New KX220 Analog Accelerometers for the Industrial Market
10.11.2017 · News
Kionix is pleased to announce the release of the KX220 sensor series, a new family of medium-g, tri-axis Analog Accelerometers. Initially two versions are available: the KX220-1071 and the KX220-1072, providing ±20g and ±40g ranges respectively...
Convert periodic waveforms to square waves
Convert periodic waveforms to square waves
10.10.2017 · Circuits
Converting periodic waveforms to square waves is an integral part of extracting a clock signal from data, creating waveform generators, and making timing-pulse generators. Any square-wave-conversion circuit is more valuable when the square wave's duty cycle is variable and controllable...
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