Multi-output Power Supply Based on LM2576HV-ADJ
https://www.electronics-lab.com/multi-output-power-supply-based-lm2576hv-adj/
This is a multi-output power supply based on LM2576HV-ADJ and LM317 IC. The power supply provides 3 outputs with input supply up to 55V DC. Output (O1) is adjustable up to 24V DC and load current of 2A, Output (O2) is adjustable to 1.2V-24V with load current up to 500mA and Output (O3) adjustable 1.2V-24V […]
High Power LED flashing beacon uses a switching regulator
https://www.electronics-lab.com/high-power-led-flashing-beacon-uses-switching-regulator/
This flasher/beacon circuit can be employed as a distress signal on highways, a direction pointer for parking lots, hospitals, and hotels, etc. The circuit uses a power LED, and provides more light than a typical incandescent lamp flasher. Use of a 6 V or 12 V SLA lantern battery makes the circuit portable. The heart […]
60V to 5V @ 3.5A Buck converter with USB output
https://www.electronics-lab.com/60v-5v-3-5a-buck-converter-usb-output/
This is a 60V to 5V – 3.5A step down DC-DC converter based on TPS54360B from Texas Instruments. Sample applications are: 12 V, 24 V and 48 V industrial, Automotive and Communications Power Systems. The TPS54360 is a 60V, 3.5A, step down regulator with an integrated high side MOSFET. The device survives load dump pulses […]
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 […]
New integrated point-of-load regulator increases efficiency for high-density applications
https://www.electronics-lab.com/new-integrated-point-load-regulator-increases-efficiency-high-density-applications/
Infineon Technologies introduces the new OptiMOS™ IR3826(A)M integrated point-of-load DC-DC voltage regulator. It is a fully integrated and highly efficient device in two versions (IR3826AM for 16 A and IR3826M for 23 A) for applications such as netcom router and switches, datacom, telecom base stations, server and enterprise storage. The voltage regulator can operate from an input […]
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 […]
TPS62827 – 2.4V-5.5V input, 4A step-down converter with 1% Accuracy
https://www.electronics-lab.com/tps62827-2-4v-5-5v-input-4a-step-converter-1-accuracy/
The TPS6282x is an ease-to-use synchronous step-down DC-DC converters family with a very low quiescent current of only 4 µA. Based on the DCS-Control topology, it provides a fast transient response. The internal reference allows to regulate the output voltage down to 0.6 V with a high feedback voltage accuracy of 1% over the junction […]
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 […]
4.4V to 105V Input Synchronous Step-Down Regulator Delivers Output of 1V to VIN
https://www.electronics-lab.com/4-4v-105v-input-synchronous-step-regulator-delivers-output-1v-vin/
The LT7101 synchronous step-down regulator from Analog Devices is a high efficiency, monolithic synchronous step-down dc-dc converter. It uses a constant frequency, average current mode control architecture and operates from an input voltage range of 4.4V to 105V and provides an adjustable regulated output voltage from 1V to VIN while delivering up to 1A of output […]