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TPS55383 数据资料 dataSheet 下载
TPS55383 数据资料 dataSheet 下载

... 4.5-V to 28-V input supply voltage, and require output voltages between 0.8 V and 90% of the input voltage. With an internally-determined operating frequency and soft start time, these converters provide many features with a minimum of external components. The outputs of the two error amplifiers are ...
MAX17003/MAX17004 High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers General Description
MAX17003/MAX17004 High-Efficiency, Quad-Output, Main Power- Supply Controllers for Notebook Computers General Description

... the MAX17003/MAX17004 and their gate drivers, as well as external keep-alive loads. When the main PWM regulator is in regulation, an automatic bootstrap switch bypasses the internal linear regulator, providing current up to 200mA. An additional adjustable linear-regulator driver with an external pnp ...
Power transmission and distribution - A5
Power transmission and distribution - A5

IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)

Electrical Systems, Motors and Drives
Electrical Systems, Motors and Drives

... advantages for the power company since they can step up the voltage to transmit and distribute it to our buildings and facilities; and this reduces the transmission and distribution losses from the resistance in the power lines. • AC also makes it easier to build large, high efficiency motors, and t ...
ppt - sm.luth.se
ppt - sm.luth.se

... • Logic with a long depth are more prone to have glitches • Flip-flops can be added to shorten the depth of the logic to minimize the influence of glitches ...
Chapter 7: DC Machine Fundamentals
Chapter 7: DC Machine Fundamentals

... The coil arrangement and the end connections are illustrated by the dark lines shown in figure above for two coils. One end of the coil starts at commutator bar 2 and the coil sides are placed in slots 7 and 12. The other end of coil is connected to commutator bar 13. The second coil starts at this ...
Power Factor Correction and Power Quality Issues
Power Factor Correction and Power Quality Issues

Aalborg Universitet Droop-Controlled Inverters with Seamless Transition between Islanding and Grid-
Aalborg Universitet Droop-Controlled Inverters with Seamless Transition between Islanding and Grid-

Layer 1 silicon sensor specifications for D0 SMTII
Layer 1 silicon sensor specifications for D0 SMTII

... provided together with each sensor on paper and in a computer readable format that is agreed upon by both parties. Furthermore, we request that the test structure measurement and the test structures on the wafer have to be supplied. We expect the supplier to define in the bid response what exact kin ...
Microelectrode electronics
Microelectrode electronics

AD8002
AD8002

... current feedback amplifier. For offset errors, refer to the equation below. For noise error, the terms are root-sum-squared to give a net output error. In the circuit shown in Figure 5 they are input offset (VIO), which appears at the output multiplied by the noise gain of the circuit (1 + R F/R I), ...
MAX14606/MAX14607 Overvoltage Protectors with Reverse Bias Blocking General Description
MAX14606/MAX14607 Overvoltage Protectors with Reverse Bias Blocking General Description

... Maxim Integrated cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim Integrated product. No circuit patent licenses are implied. Maxim Integrated reserves the right to change the circuitry and specifications without notice at any time. The parametr ...
LPA524
LPA524

... of power amps that deliver superior sound, power, and reliability. And now, in 2006, Yamaha is proud to announce a new flagship series that marks this 30th anniversary with unprecedented performance: the Tn Series. The Tn series amplifiers are ruggedly designed to deliver optimum performance even un ...
Unit I
Unit I

... UNIT –II BASIC ELECTRICAL PROPERTIES OF MOS CIRCUITS ...
Specification Sheet
Specification Sheet

Calibrating Power Meters with the Fluke 5500A Multi
Calibrating Power Meters with the Fluke 5500A Multi

... Power, voltage, and current Most power meters measure voltage and current separately and display the power value in Watts. Most voltmeters use either electromechanical or analog-to-digital conversion techniques to determine voltage amplitude. Current is measured in amperes (A), which can be measured ...
ECE 469 Power Electronics Lab Manual
ECE 469 Power Electronics Lab Manual

... measure voltage relative to ground, not between two arbitrary points. • RATINGS! Before applying power, check that the voltage, current, and power levels you expect to see do not violate any ratings. What is the power you expect in a given resistor? • HEAT! Small parts can become hot enough to cause ...
ANSWERS
ANSWERS

... 1. A full-wave voltage occurs on each half of the input cycle and has a frequency of twice the input frequency. A half-wave voltage occurs once each input cycle and has a frequency equal to the input frequency. 2. The average value of 2(60 V)>p = 38.12 V 3. The bridge rectifier has the greater outpu ...
Chapter 7: DC Machine Fundamentals
Chapter 7: DC Machine Fundamentals

... The coil arrangement and the end connections are illustrated by the dark lines shown in figure above for two coils. One end of the coil starts at commutator bar 2 and the coil sides are placed in slots 7 and 12. The other end of coil is connected to commutator bar 13. The second coil starts at this ...
International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.1, pp. 1743-1748
International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.1, pp. 1743-1748

... VSI and CSI. The VSI topology based DVR has buck type output voltage characteristics thereby limiting the maximum voltage that can be attained. In CSI topology an additional dc–dc buck (or boost) converter is needed. The additional power conversion stage increases system cost and lower efficiency an ...
Datasheet
Datasheet

... EXAR Corporation reserves the right to make changes to any products contained in this publication in order to improve design, performance or reliability. EXAR Corporation assumes no representation that the circuits are free of patent infringement. Charts and schedules contained herein are only for i ...
BSL310C-DF - Philips Bodine
BSL310C-DF - Philips Bodine

BU7295HFV
BU7295HFV

importance of power quality in electrical power
importance of power quality in electrical power

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Buck converter



A buck converter is a voltage step down and current step up converter.The simplest way to reduce the voltage of a DC supply is to use a linear regulator (such as a 7805), but linear regulators waste energy as they operate by dissipating excess power as heat. Buck converters, on the other hand, can be remarkably efficient (95% or higher for integrated circuits), making them useful for tasks such as converting the main voltage in a computer (12V in a desktop, 12-24V in a laptop) down to the 0.8-1.8V needed by the processor.
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