Circuits & Schematics: power supply - 3

21. Derive an efficient dual-rail power supply from USB
    Circuits Power
    .. O Ocaya EDN When designing low-power USB circuits that require power-supply voltages other than 5 V, you must decide whether to use a separate ...
    Mar 2, 2014

22. Easy, ±5 V Split-Voltage Power Supply for Analog Circuits Draws Only 720 nA at No Load
    Circuits Analogue Design Supply Power Linear Technology LTC3388
    .. Drew, Linear Technology LT Journal Analog circuits often need a split-voltage power supply to achieve a virtual ground at the output of an amplifier. These split-voltage power supplies are ...
    Jun 26, 2015

23. Variable HV power supply employs photovoltaic optocoupler
    Sajjad Haidar
    Circuits High Voltage Supply Power Texas Instruments Vishay VOM1271 TL494
    Power supplies with adjustable DC output ranging from 0 V to 30 V or 60 V are on the market. Above 60 V, there are ...
    .. can give us a higher fixed voltage. To obtain an adjustable output either from a SMPS or conventional transformer based supply, one needs to use a linear regulator or a switched mode buck converter. For a buck converter, a MOSFET or an ...
    Jul 15, 2015
24. Power Supply Analyzer with USB Interface based on ATtiny814
    Stefan Wagner
    Circuits Measurement Supply Microcontrollers Usage ATtiny814
    .. The Power Analyzer is a programmable electronic constant current dummy load with two high side voltage and current ...
    Aug 12, 2020
25. Power-supply interrupter fights ESD-induced device latch-up
    Circuits Analogue Design Supply ON Semiconductor MOC211M BSS138
    .. between portions of the CMOS device and conducts heavily. Damage to the device can result unless you immediately remove power from the circuit. ESD from human interaction presents a significant problem for mobile industrial and medical ...
    .. The output of IC 1 controls the gate bias applied to MOSFET Q 1 , which is normally on. When latch-up occurs, power-supply current drain rapidly increases by an order of magnitude or more. The large voltage drop developed across R 6 ...
    Oct 12, 2020
26. Power Supply Sequencing
    Circuits Supply Application Notes Digital Analog Devices AD7621 AD7622 AD7623 AD7641 AD7643 AD7654 AD7794
    .. voltage supplies. As more and more of these systemon-a-chip (SoC) ICs proliferate the marketplace, the need for particular power supply sequencing and power management issues arises. There is usually enough information in datasheets from ...
    Feb 26, 2015
27. Regulate a 0 to 500 V, 10-mA Power Supply in a Different way
    Dusan Ponikvar
    Circuits Power OPA364 LM7805
    .. power supplies use switching techniques to achieve the desired output voltage from the primary source. Switching ...
    .. Two standard transformers, T 1 and T 2 (220 V ac to 6 V ac, 10 W), are used to make an isolated replica of the mains supply, V M . This replica is doubled and rectified using D 1 , D 2 , C 1 , and C 2 to get about 560 V at V IN from ...
    Apr 28, 2016
28. Power supply meets automotive-transient-voltage specs
    Francesc Casanellas
    Circuits Automotive Supply Power Diodes MMBTA42
    .. 1 shows a power supply that delivers 5 V from a 12 V battery. With only a few components, the supply copes with all the ...
    Feb 20, 2017
29. Smart Power Supply for Microcontroller Projects
    T.K. Hareendran
    Circuits Supply Power Texas Instruments TPS63000
    .. good, reliable and easy to use dc power supply is probably the most important thing for every electronics hobbyists. Since a proper electronically ...
    Feb 19, 2017
30. Simple power supply fits into small spaces
    Circuits Supply Power Linear Technology LTC1983ES6-5
    .. Zheng, Linear Technology EDN The demand for negative-voltage power supplies is increasing with the popularity of applications for portable devices. It can be expensive and ...
    .. the popularity of applications for portable devices. It can be expensive and relatively complicated to generate a negative supply from a positive input source, especially when the design requires both positive and negative outputs. Figure ...
    Jan 6, 2017

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