Extend battery life with the 60nA quiescent current TPS62840
https://www.electronics-lab.com/extend-battery-life-60na-quiescent-current-tps62840-2/
If you’re looking to reduce quiescent current and extend the lifetime of your system’s battery, then the TPS62840 is the device for you. At an astonishing 60nA of operating IQ, TPS62840 is the world’s lowest quiescent current DC/DC switching regulator. From IoT to smart meters, and patient monitors to wearables, your system’s battery craves a […]
5 Buck Regulators with Low Iq
https://www.electronics-lab.com/5-buck-regulators-low-iq/
Low quiescent current, also called supply current, might be an important spec for your power-supply design.. by Paul Rako @ electronicdesign.com Quiescent current is the current that a chip needs to operate even if it’s not delivering power. It’s the bare minimum supply current the chip will use. For buck-regulator chips, improved processes have reduced […]
Class D Amplifiers
https://www.electronics-lab.com/article/class-d-amplifiers/
Introduction In the previous tutorials, an important link has been established between the conduction angle of an amplifier and it’s efficiency. Indeed, high conduction angles-based amplifiers offer a very good linearity such as the class A Amplifiers but present a very limited efficiency, generally around 20 to 30 %. As the conduction angle is decreased, […]
3.3V/3A, Wide-Input, Synchronous, Step-Down DC-DC Reference Design
https://www.electronics-lab.com/3-3v-3a-wide-input-synchronous-step-dc-dc-reference-design/
The MAXREFDES1048 synchronous step-down dc-dc converter reference design from Maxim Integrated Products is based on the MAX17504, a high-efficiency, high-voltage, synchronously rectified step-down converter with dual integrated MOSFETs can operate over a 4.5V to 60V input. The MAXREFDES1048 reference design operates over an input voltage range of 18- to 36-Vdc and delivers an output of […]
How the Switching Frequency Affects the Performance of a Buck Converter
https://www.electronics-lab.com/switching-frequency-affects-performance-buck-converter/
The buck converter uses an inherent switching action to regulate voltage. This switching frequency can affect the performance of a buck converter,and is thus very important. This application report analyzes the influence of switching frequency on buck converter performance in terms of efficiency, thermals, ripple, and transient response. It also shows bench test results at […]
Maximizing power density and thermal performance in power-module designs
https://www.electronics-lab.com/maximizing-power-density-thermal-performance-power-module-designs/
Power-module designs require high power density, excep-tional thermal performance and a full feature set in order to be competitive. One way that power-module designs can meet these needs is with buck controllers with exter-nal metal-oxide-semiconductor field-effect transistors (MOSFETs) in their power architecture. Buck controllers with external MOSFETs allow current scalability and provide superior thermal spacing—both […]
USB to -5V Negative Voltage DC-DC switching Converter
https://www.electronics-lab.com/usb-5v-negative-voltage-dc-dc-switching-converter/
Now days USB power source is very common and available in many devices and power banks. This DC-DC converter provide -5V negative voltage from +5V USB power source. This converter can be used in a wide range of industrial automation control equipment, sensors, isolated operational amplifiers and test & measurement equipment that require bipolar supply […]
Smart algorithm triples service life of power supplies
https://www.electronics-lab.com/smart-algorithm-triples-service-life-power-supplies/
New modulation method increases operational lifetime of switching power units through digital, highly dynamic control and the use of film capacitors. Switching power units are used for the power supply of many electrical devices, e.g. computers, LED lights or laser welding equipment. They convert alternating current from the mains into the direct current required by […]
Dual-Channel, 42 V, 4 A Monolithic Synchronous Step-Down Silent Switcher 2
https://www.electronics-lab.com/dual-channel-42-v-4-monolithic-synchronous-step-silent-switcher-2/
The LT8650S 42 V, dual-channel, 4 A synchronous Silent Switcher® 2 regulator features a wide input voltage range of 3 V to 42 V, ideal for automotive, industrial, and other step-down applications. Its quiescent current is only 6.2 µA with the outputs in regulation – a critical feature in automotive environments where always-on systems can drain the battery even […]
LMR36015 – 4.2-V to 60-V, 1.5-A ultra-small synchronous step-down converter
https://www.electronics-lab.com/lmr36015-4-2-v-60-v-1-5-ultra-small-synchronous-step-converter/
The LMR36015 regulator is an easy-to-use, synchronous, step-down DC/DC converter. With integrated high-side and low-side power MOSFETs, up to 1.5 A of output current is delivered over a wide input voltage range of 4.2 V to 60 V. Tolerance goes up to 66 V. The transient tolerance reduces the necessary design effort to protect against […]