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This paper suggests a new electrolytic capacitor-less bi
This paper suggests a new electrolytic capacitor-less bi

... that regenerative energy can be captured and stored in the energy storage. In addition, some applications may require overlapping input-output voltage ranges. The two DC-DC converters analyzed and compared in this research can be used for DC fast charging in EV/HEVs to extend the all-electric drive ...
High-Frequency Power Conversion for Machine Drive Applications
High-Frequency Power Conversion for Machine Drive Applications

... High speed, torque-dense machines (e.g. 10 pole traction machine @ 12k rpm – 1 kHz fundamental). High switching frequency  reduced current waveform distortion. ...
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Product Specification XPC Accessory

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... _____4. Voltage d. A material with very low resistance _____5. Ohm’s Law e. A type of circuit having only one path for the current _____6. Resistance f. A type of electricity that flows in only one direction _____7. Parallel Circuit g. Energy from an electrical power source _____8. Alternating Curre ...
XL125 DC-DC Series - Qualstar Corporation
XL125 DC-DC Series - Qualstar Corporation

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CIRCUIT DIAGRAM Existing System

... BOUNDARY control, which is a geometric based control method, is suitable for power electronic converters with switching actions. It has been applied in many converters, and there are a variety of studies on different switching surfaces, e.g., first-order, second-order, and high-order switching surfa ...
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Mammography - X

Low-Volume PFC Rectifier Based on Non
Low-Volume PFC Rectifier Based on Non

EE 1304446
EE 1304446

... [3] .To reduce the ac voltage ripple on the dc output voltage below the required level. [4] .To provide isolation between the input source and the load (isolation is not always required); [5] To protect the supplied system and the input source from electromagnetic interference. The dc-dc converters ...
PM6670: complete DDR2/3 memory supply controller Single step-down controller plus LDO
PM6670: complete DDR2/3 memory supply controller Single step-down controller plus LDO

... in accordance with JEDEC specifications, over the full spectrum of operating load conditions. The input of the LDO can be either VDDQ or a lower voltage rail in order to reduce the total power dissipation. The reference voltage (VTTREF) section provides a voltage equal to one half of VDDQ with an ac ...
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Using Omron Power Supplies to Make Positive and

High-efficiency SMPS using half-bridge resonant topology
High-efficiency SMPS using half-bridge resonant topology

... The front-end PFC pre-regulator (boost topology) features the L6563 controller operating in FOT (fixed off-time) mode. The PFC not only delivers a stable 400VDC BUS to the downstream converters, but also reduces mains harmonics, meeting the requirements of EN61000-3-2 and JEIDA-MITI regulations. Th ...
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LDP-CW 20-50

200 W, Single Output Power Supply
200 W, Single Output Power Supply

... This 14 Vout, off-line power supply was originally designed for refrigeration control applications but can be user tailored to accommodate most 12 to 15 volt applications requiring 140 watts output continuous with a 200 watt peak capability. The converter circuit is designed around a continuous cond ...
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BC 1500 RM FMV ~ Power Supply and Battery Charger

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EUP2412  500kHz Synchronous Step-Up Converter with 600mA LDO
EUP2412 500kHz Synchronous Step-Up Converter with 600mA LDO

... synchronous step-up converter and a low noise, high PSRR, low dropout (LDO) fixed output linear regulator with independent enable pins. EUP2412 input voltage range is 2.2V to 5.5V, making it ideal for applications with either a 2-cell NiMH/NiCd or a single-cell lithium-ion/polymer batteries. The EUP ...
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DA-Z250D Digital Power Amplifier
DA-Z250D Digital Power Amplifier

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Manual for Power Supply 3630.00 9 8 7

ECE 331:  Electronics Principles I Fall 2013
ECE 331: Electronics Principles I Fall 2013

Error free Sound Activated DOOR OPEN (Triggers
Error free Sound Activated DOOR OPEN (Triggers

... clap. The light will be automatically switched off after a few seconds. An alternative use is burglar protection — if someone wants to open the door or break some-thing the light will come on, suggesting that someone’s at home. The circuit can work from any 5– 12 VDC regulated power supply pro-vided ...
overloads - Controlled Power Company
overloads - Controlled Power Company

DP3000SA - Durapower
DP3000SA - Durapower

LPS3/LPS3R - Linear Power Supply/Charger
LPS3/LPS3R - Linear Power Supply/Charger

... 2. Set DC output voltage using switch SW2 (refer to Voltage Output/Transformer Selection Table). 3. Connect proper transformer to the terminals marked AC (refer to Voltage Output/Transformer Selection Table). 4. Measure output voltage before connecting devices. This helps avoiding potential dama ...
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Switched-mode power supply



A switched-mode power supply (switching-mode power supply, switch-mode power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently. Like other power supplies, an SMPS transfers power from a source, like mains power, to a load, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high dissipation transitions, which minimizes wasted energy. Ideally, a switched-mode power supply dissipates no power. Voltage regulation is achieved by varying the ratio of on-to-off time. In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. This higher power conversion efficiency is an important advantage of a switched-mode power supply. Switched-mode power supplies may also be substantially smaller and lighter than a linear supply due to the smaller transformer size and weight.Switching regulators are used as replacements for linear regulators when higher efficiency, smaller size or lighter weight are required. They are, however, more complicated; their switching currents can cause electrical noise problems if not carefully suppressed, and simple designs may have a poor power factor.
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