switching power supply design examples

... Power Amplifier Reference Design (SNAA058) Although the power supply design is specific to the amplifier modules the concepts and circuit design may be used for any power supply purpose The power ... Schematic and Design3 Schematic and Design 3.1 Power Supply Figure 1shows the complete schematic of the power supply design The heart of the design is the basic power supply consisting of the transformers, ... on power up and power up/down Mute control are also included A complete schematic, PCB views, and Bill of Materials are provided for the power supply design Trang 3www.ti.com Schematic and Design3

Ngày tải lên: 24/10/2022, 19:41

... 2.2: Consumed power calculation Absorbed power versus rated power Since motors are rated according to output power, the absorbed power (input power) can be lower or higher than rated power due ... jobs must be done before designing of the power supply to feed the load which will be discussed in the Chapter 3 2.1 Methodology In this project, the refinery power supply is simulated by ETAP ... factors)  Power factor considering load factor ( power factor varies in different load factors) Required Mechanical power Mechanical power divided by Efficiency Electrical absorbed power Electrical

Ngày tải lên: 01/06/2018, 14:57

... Nuclear Power Plant Designs 5 Boiling Water Reactor (BWR) Systems 5 BWR Safe Shutdown Condition 6 Loss of Coolant Accident 7 BWR Design Evolution 7 Pressurized Water Reactor Systems 11 PWR Design ... Seismic Design Response Spectra 21 Figure 9 Operating Nuclear Power Plant Sites vs Seismic Hazard 24 Figure 10 Operating Nuclear Power Plants vs Seismic Hazard 25 Figure 11 Operating Nuclear Power ... and Containment 5 Table 2 BWR Design Evolution 8 Table 3 PWR Design Configurations 12 Table 4 Containment Building Design Parameters 15 Table 5 Operating Nuclear Power Plants Subject to Earthquake

Ngày tải lên: 03/07/2014, 05:00

... somespecial cases there are further requirements, e.g for UPS devices the connectedpower supply requires constant power That means when the battery output voltagedecreases, the discharge current ... characteristic Trang 4 Equipment for emergency power supply of technical facilities andprocesses.Today stationary batteries are mostly connected in parallel with the DC powerequipment and the consumers (see ... when the mainpower fails, and nobody can forecast when this will happen and how longthe failure will last Many investigations have been made to find out how often and how long the mainpower network

Ngày tải lên: 05/07/2014, 06:20

... 10Mhez CMRR : 61db power consumption : 2.3mw Area : 290 mils2 power supply :±5V Ref: IEEE JSSC ,vol.sc-20 , pp.1103-1112 , Ddec,1985 8 - 30 CHUNG-YU WU Trang 31§ 8-5 Recent Design Examples of CMOS ... Trang 1Chapter 8 Advanced Design Techniques and Recent Design Examples of CMOS OP AMPs §8-1 Advanced Design Techniques of CMOS OP AMPs §8-1.1 Improved PSRR and ... sensitivity to clock and supply noise Disadvantage: 8 - 24 CHUNG-YU WU Trang 241 Larger area, mainly due to interconnection 2 Additional design complexity 3 Increase power dissipation Trang

Ngày tải lên: 05/07/2014, 15:20

... power from the utility is present and that the power supply is operating in AC LINE mode 2.3.2 "STANDBY POWER" (red) LED The red "STANDBY POWER" LED indicates that the power supply ... Series power products, for use with XM Series power modules Trang 275.17 APP60S (Service Power Supply)The APP60S is a portable, non-standby power supply used to provide conditioned ACpower to ... continues to supply power to the output Depending upon the type of batteries used, and the loading on the power supply, backup power can continue for several hours When utility line power returns,

Ngày tải lên: 23/10/2014, 09:19

... information only Actual design of the base plate is not covered by ACI 349 Appendix B Although the design procedure shown is appropriate for base plate design, the actual design values used ... a series of design examples starting with simple cases and extending to more complex cases for ductile embedments. The format for each example follows the format of the Strength Design Handbook, ... size factor µ = coefficient of friction φ = strength reduction factor 349.2R-3EMBEDMENT DESIGN EXAMPLES PART A EXAMPLES: Ductile single embedded element in semi-infinite concrete Example A1 Single

Ngày tải lên: 24/10/2014, 21:58

... the power supply topology should be buck, boost or buck-boost type Factors (b) and (c) determine whether or not the power supply topology should have a transformer Reliability of the power supply ... transition period, therebyreducing the switching losses In a power MOSFET,zero voltage switching is preferred as compared to zerocurrent switching Therefore, the operating switchingfrequency, more than ... selection of electrical and electronic components for a given SMPS design WHY SMPS? The main idea behind a switch mode power supply can easily be understood from the conceptual explanation of

Ngày tải lên: 17/05/2015, 15:33

... the second of a two-part series on Switch Mode Power Supply (SMPS) topologies The first application note in this series, AN1114 -“Switch Mode Power Supply (SMPS) Topologies (Part I)”, explains ... basic tools needed to design a power converter All of the topologies introduced in Part I are covered, and after a brief overview of the basic functionality of each, equations to design real systems ... requirements and rules were used to determine the various component values used in the design of a power converter The general design requirements are listed as follows: • Nominal input voltage (VDC) • Minimum

Ngày tải lên: 17/05/2015, 15:33

... node (b) Supply voltage V DD continues to scale down However, as the technology node goes beyond 90 nm, a very significant delay in V DD scaling is observed Static power takes up more power consumption, ... node (b) Supply voltage V DD continues to scale down However, as the technology node goes beyond 90 nm, a very significant delay in V DD scaling is observed Static power takes up more power consumption, ... technology scaling, which is required to reduce the power consumption, V TH will have to be reduced in order to maintain a high I on for a high switching speed However, the V TH cannot be reduced

Ngày tải lên: 10/09/2015, 09:24

... packaging 3 1.1 Voltage Scaling for Low- Power Digital Circuits namic power, the leakage power and the short-circuit power The dynamic power results from charging and discharging ... low power SRAM, DRAM, etc power- ecient DC-DC converters Device level 1 2 3 4 multiple threshold CMOS (MTCMOS) low temperature CMOS (LTCMOS) Silicon -on- Insulator (SOI) low power ... smaller silicon area and less power consumption Therefore, the digital modules are generally the dominant power consumer on a SoC The total power dissipation of a digital

Ngày tải lên: 14/09/2015, 14:01

... critical loads When a power failure or abnormality occurs, the UPS will effectively switch from utility power to its own power source almost instantaneously There is a large variety of power-rated UPS ... transfers utility power through to the load until either a power failure, sag, or spike occurs, at which point the UPS switches the load onto bat-tery power and disconnects the utility power until ... Trang 2NOWADAYS, UNINTERRUPTIBLEpower supply (UPS) systems are in use throughout the world, helping to supply a wide variety of critical loads, such as telecom-munication

Ngày tải lên: 26/11/2015, 09:42

... Fabrication of High Voltage Power Supply for Radiation Detector Figure 3.10.High voltage power supply circuit board Figure 3.11.High voltage power supply has been finally approved 28 Design and Fabrication ... INTRODUCTION TO HIGH VOLTAGE POWER SUPPLY 1.1 Principle of radiation detector 1.2 High voltage power supply CHAPTER 2: STRUCTURE OF HIGH VOLTAGE POWER SUPPLY 2.1 Oscillator ... Structure of High Voltage Power Supply Chapter 3: Construction of High Voltage Circuit Board Chapter 4: Results and Discussions viii Design and Fabrication of High Voltage Power Supply for Radiation

Ngày tải lên: 27/10/2017, 15:15

... Power Supply Design Criteria Electrical Power Sytems Design Procedures ... (UFC) ELECTRICAL POWER SUPPLY AND DISTRIBUTION APPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED UFC 3-550-03FA 01 March 2005 UNIFIED FACILITIES CRITERIA (UFC) ELECTRICAL POWER SUPPLY AND DISTRIBUTION ... the Army and Air Force policy and guidance for design criteria and standards for electrical power supply and distribution systems 1-2 Scope The design criteria and standards contained within

Ngày tải lên: 05/12/2017, 01:36

... BIBLIOGRAPHY GENERAL POWER PLANT FACILITIES DESIGN (Continued) Section 111 Power and Service Piping Systems Introduction Piping design fundamentals ... future expansion 1-3 Design criteria a General requirements The design will provide for a power plant which has the capacity to provide the quantity and type of electric power, steam and compressed ... stationary power plants generating prime power continuously at full nameplate kW rating as the sole source of electric power (2) Class B: Diesel-electric generators sets for stationary power plants

Ngày tải lên: 24/05/2018, 22:53

... house in AC but electrical equipment needs DC voltage DC POWER SUPPLY LINEAR DC POWER SUPPLY Block Diagram : DC POWER SUPPLY LINEAR DC POWER SUPPLY Function Of Each Block :  Transformer - steps ... DC POWER SUPPLY LINEAR DC POWER SUPPLY Importance of DC power supply:  Most electric equipment requires DC voltage  Dry cells unable to accommodate the needs of electrical equipments  Power ... voltage  Voltage divider – distributes DC output voltage to load EXAMPLE OF LINEAR DC POWER SUPPLY DC POWER SUPPLY TRANSFORMER Circuit symbols Transformer with two windings and iron core Step-down

Ngày tải lên: 15/07/2019, 23:02

... Traction Power Supply with Railway Hybrid Power Quality Conditioner Trang 2Co-phase Traction Power Supply with Railway Hybrid Power Quality ConditionerTrang 3NingYi DaiCo-phase Traction Power Supply ... power engineers and power electronics development,various power quality compensators have been proposed and used for power qualityconditioning in traction power supply [8–10] Since traction power ... traction power systemunbalance tolerance.Reactive Power and Power Factor Another power quality concern in power system is the reactive power.According to the definition, considering a harmonic-free power

Ngày tải lên: 16/12/2019, 09:21

... Losses CHAPTER 190 193 12 Switching Power Supply Design Examples 12.1 A Low-Cost, Low -Power Flyback Converter 199 12.2 A 100-kHz, 50-W, Off-Line, Half-Bridge Switching Power Supply 209 Parallel Resonant, ... to build the switching supply becomes less than the linear supply at the higher power levels 1 Why Use Switching Power Supplies? All of these advantages make the switching power supply a much ... Configuration CHAPTER Semiconductors Used in a Switching Power Supply 43 5.1 Bipolar Power Transistors 43 5.2 PowerMOSFETs 50 5.3 Rectifiers 56 5.4 Switching Power Supply Control Integrated Circuits 5.4...

Ngày tải lên: 18/04/2014, 12:25

... computer logic circuit design using transistors and switching power supply design, respectively Mr Pressman was the author of the first two editions of Switching Power Supply Design Keith Billings ... the following switching regulator examples In such regulators the on period of the power device (Ton ) is adjusted to maintain 11 12 Switching Power Supply Design FIGURE 1.4 Buck switching regulator ... 257 258 259 xv xvi Switching Power Supply Design 6.6 Low Output Power “Housekeeping” or “Auxiliary” Topologies—Introduction 6.6.1 Housekeeping Power Supply on Output...

Ngày tải lên: 08/08/2014, 06:20

... loop So, in general, the current feedback path of this design is very similar to the current feedback path of a discrete switching power supply design However, there are a few notable differences: ... PIC16HV785 with an on-chip 5V shunt regulator for powering the microcontroller and associated circuitry So, the power conversion section of the power supply design is comprised of the two feedback loops, ... MPLAB Certified logo, MPLIB, MPLINK, PICkit, PICDEM, PICDEM.net, PICLAB, PICtail, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, rfPICDEM, Select Mode, Smart Serial, SmartTel, Total...

Ngày tải lên: 11/01/2016, 16:38