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SWITCHING REGULATOR DESIGN DEVELOPMENT TESTING


switching regulator is a type of switch mode power supply circuit that is designed to efficiently reduce DC voltage from a higher voltage to a lower one, that is it subtracts or “Bucks” the supply voltage, thereby reducing the voltage available at the output terminals without changing the polarity.

A Monolithic Switching Regulator with 100 V Output Noise
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Size, output flexibility and efficiency advantages have made switching regulators common in electronic apparatus. The continued emphasis on these attributes has resulted in circuitry with 95% efficiency that requires minimal board area. Although these advantages are

Efficiency and power characteristics of switching regulator circuits
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Efficiency is often the main objective when using switch-ing regulators. High efficiency means less power drain on the input source (batteries, etc.) and less heat buildup around the regulator, allowing for smaller and lighter power supplies and system enclosures.

The state space average model of buck-boost switching regulator including all of the system uncertainties
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Abstract In this paper a complete state-space average model for the buck-boost switching regulators is presented. The presented model includes the most of the regulator parameters and uncertainties. In modeling, the load current is assumed to be unknown, and

Theory and Applications of the MC34063 and~ A78S4O Switching Regulator Control Circuits
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The MC34063 and p. A78S40 are monolithic switching regulator subsystems intended for use as dc to dc converters. These devices represent a significant advancement in the ease of implementing highly efficient and yet simple switching power supplies. The use of

DC-to-DC Switching Regulator Insights Achieving Longer Battery Life in DSP Systems
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A key component of such systems, a step-down dc-to-dc switching regulator efficiently derives a low supply voltage, say 1 V, from a higher-voltage supply, for example, 4.5 V. As a regulator, it must maintain a constant voltage, rapidly responding to variations in the

Heavy ion single event effects test of 4A adjustable switching regulator MSK5042 from MS Kennedy
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This report gives heavy ion SEE test data on the switching regulator MSK5042 from National Semiconductor. This work has been performed in the frame of the ST5 project. Previous testing in March 2002 showed a Single Event Burnout (SEB) sensitivity of the device power

LT1534 ultralow noise switching regulator controls EMI
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Todaycircuit designer is often challenged to assemble a high performance system by combining sensitive analog electronics with potentially noisy DC/DC converters. Requirements for a small, efficient, cost effective solution are in conflict with acceptable

Heavy ion single event effects test of switching regulator LM2651 from National Semiconductor
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This report gives heavy ion SEE test data on the switching regulator LM2651 from National Semiconductor. This work has been performed in the frame of the ST5 projectThe tested devices are described in Table 1Type LM2651MTC-ADJ Manufacturer National Semiconductors

Switching power supply design review 60 watt flyback regulator
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I. SELECTION OF FLYBACK TOPOLOGY The flyback, when compared to other switchingregulator topologies, has several cost and performance advantages: Cost AdvantagesFigure 6 illustrates an optimum practical open-loop frequency response for a switchingregulator

Understanding Switching Regulator Output Artifacts Expedites Power Supply Design
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Minimizing output ripple and transients from a switching regulator can be important, especially when powering noisesensitive devices such as high-resolution ADCs, where the output ripple can appear as a distinct spur on the ADCoutput spectrum. To avoid

Pulsed-laser Test Report of the MSK5058RH Switching Regulator
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The purpose of this test is to examine the pulsed-laser-induced single event effects (SEE) susceptibility of the MSK5059RH step down switching voltage regulator from M. S. Kennedy Corporation. The test was conducted at the Naval Research LaboratoryThe MSK5059RH is a radiation hardened

A Novel Quasi-Resonant ZCS-PFM DC-DC Switching Regulator with Loosely-Coupled Flyback Inductors
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AbstractThis paper presents a novel topological prototype ofvoitage source series quasi resonant zero current soft-switching pulse frequency modulated tic-dc power converter circuit using lGBTs which incorporates a high-frequency ybsck transformer link. Its steady-

Step-down Switching Regulator Light-load Efficiency Improvement Using Recycled Parasitic Energy, and Gate Voltage Clamping
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Basic Synchronous Buck Regulator Theory of Operation. 6 Survey of Known Light-Load Efficiency Boosting Strategies . 10Approach . . 15 Implementation of Parasitic Energy

555 as switching regulator supplies negative voltage
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Negative-voltage, source. Pulses from free-running multivibrator IC are inverted and smoothed by C2, D2, and C3. Negative output voltage across C3 is regulated by the transistor, Which increases or decreases multivibrator frequency to charge 03 as often as

A low noise switching converter-regulator for main power control in a space power system
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RAE) spacecraft. The selection of the design approach for the switchingregulator is presented, to- gether with an analysis of its operation and definition of its characteristics, functional performance, and test results . The regulator

used to design a switching power supply part a: Mathematical theory of dc-dc step-up/down converter controlled by mc34063 or ua78s40 switching regulator
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Abstract The paper presents a DC-DC step-up/down converter used in switching power supply with monolithic switching regulator control circuits. The paper completely describes the design of the switching power supply starting with the simplified mathematical theory of

Universal Switching Regulator Subsystem
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TheA78S40 is a switching regulator subsystem, consisting of a temperature compensated voltage reference, controlled duty cycle oscillator with an active current limit circuit, comparator, high current and high voltage output switch, capable of 1.5 A and 40 V, pinned

The LTC1267 Dual Switching Regulator Controller Operates from High Input Voltages Design Note 114
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RG Flatness, C Varga- EDN, 1995 notes-application.abcelectronique The LTC1267 dual switching regulator controller is the latest addition to Linear Technologyfamily of better than 90% efficient step-down DC/DC converters. The LTC1267 features an extremely wide 4V to 40V input operating voltage range and reduced supply

Switching Regulator Allows Alkalines to Replace NiCads
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In many applications it is desirable to substitute nonrechargeable batteries for chargeable types. This capability is necessary when the NiCads cant be recharged or long charge times are unacceptable. Alkaline batteries are an excellent choice in this situation. They are

SWITCHING POWER SUPPLY WITH MONOLITHIC SWITCHING REGULATOR SUBSYSTEMS AND DC-DC STEP-UP CONVERTER
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Abstract The paper presents switching power s upplies with MC34063 andA78S40 monolithic switching regulator subsystems and DC-DC step-up converter. General description of MC34063 andA78S40 operation modes, mathematical design and PSpice

1.4 A Switching Regulator with 5.0 V, 100 mA Linear Regulator with Watchdog, RESET and ENABLE
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The CS5111 is a dual output power supply integrated circuit. It contains a 5.0 V 2%, 100 mA linear regulator, a watchdog timer, a linear output voltage monitor to provide a Power On Reset (POR) and a 1.4 A current mode PWM switching regulator. The 5.0 V linear regulator

Fault Analysis of Switching Regulator Induced By the Diode Turn-On Time
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Abstract: Article Preview Article Preview Recently, switching regulator clock rate and transition time have become faster, making diode turn-on time a critical issue. A potential difficulty due to diode turn-on time is that the resultant transitory overshoot voltage across the

Switching Regulator Controller
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The MB3775 is a dual pulse-width-modulation control circuit. It contains the basic circuits required for two PWM control circuits. Complete synchronization is obtained by using the same oscillator output waveform. This IC can provide following types of output voltage: step

IMPROVING SWITCHING REGULATOR DYNAMIC RESPONSE
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ABSTRACT Recent introductions of LSI integrated circuits for PWM control have offered considerable simplification to the job of optimizing the design of switching regulators. In addition to greatly reducing the necessary circuitry, the linear transfer function of these

Current Sensing Circuit Applied to Switching Regulator
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Abstract: Article Preview Article Preview A current sensing circuit for current mode switching regulator control circuit is designed, sensing the current through a power switch. Compared with sensing series resistor voltage drop, it reduces the power consumption of a switching

1.2 A Switching Regulator and 5.0 V, 100 mA Linear Regulator with RESET
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The CS2001 is a smart power supply ASIC utilized in automotive airbag systems. It contains a currentmode switching regulator with a 1.2 A onchip switch and a 5.0 V, 100 mA linear regulator. The linear output capacitor must be 3.3 uF or greater with an ESR in the range of

Dual 3.0 A, Step-Down DC/DC Switching Regulator
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The NCP3122 is a dual channel nonsynchronous PWM voltage mode buck regulator. Each channel is identical and has a 2.0 A internal PFET, compensation, feedback, programmable softstart, enable and power good pins. These circuits also share the same

Evolution of IC Switching Voltage Regulator
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The voltage regulator and PFC pre-regulator is processed the input power for switchingregulator seriallySeveral PFC switchingregulator for the power flow diagram is shown in Fig. 2. This power flow diagram is helpful to classify the category of the switchingregulator

C-MOS 6-CH SWITCHING REGULATOR CONTROLLER
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POWER SUPPLY CONTROL Ach Ech CONTROL Fch CONTROL Ach ERROR AMPLIFIER INVERSION Bch ERROR AMPLIFIER INVERSION Cch ERROR AMPLIFIER INVERSION Dch ERROR AMPLIFIER INVERSION Ech ERROR AMPLIFIER INVERSION Fch ERROR

Design and modeling of a high current switching regulator
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Abstract A design method for switching regulators using Matlab and Simulink has been developed. The Matlab script presented calculates the necessary bandwidth of the loop given the power distribution network characteristics and the maximum acceptable output

LTC1702/LTC1703 Switching Regulator Controllers Set a New Standard for Transient Response Design Note 206
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The LTC1702 is the first in a new family of low voltage, high speed switching regulator controllers. It is designed to operate from a standard 5V logic supply and generate two lower voltage, high current regulated outputs. Running at a fixed 550kHz switching frequency,

2A, 2MHz Automotive Buck Switching Regulator
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The NCV890200 is a fixedfrequency, monolithic, Buck switching regulator intended for Automotive, batteryconnected applications that must operate with up to a 36V input supply. The regulator is suitable for systems with low noise and small form factor requirements often

High Voltage Switching Regulator
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The MC33363B is a monolithic high voltage switching regulator that is specifically designed to operate from a rectified 240 Vac line source. This integrated circuit features an onchip 700 V/1.0 A SENSEFETt power switch, 500 V active offline startup FET, duty cycle

3.0 A, Step-Down Switching Regulator
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The LM2596 regulator is monolithic integrated circuit ideally suited for easy and convenient design of a stepdown switching regulator (buck converter). It is capable of driving a 3.0 A load with excellent line and load regulation. This device is available in adjustable output

NCP3064, NCP3064B, NCV3064 1.5 A, Step-Up/Down/Inverting Switching Regulator with ON/OFF
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The NCP3064 is a monolithic power switching regulator optimized for dc to dc converter applications. The combination of its features enables the system designer to directly implement stepup, stepdown, and voltageinverting converters with a minimum number

3.0 A, 15 V, StepDown Switching Regulator
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The LM2576 series of regulators are monolithic integrated circuits ideally suited for easy and convenient design of a stepdown switching regulator (buck converter). All circuits of this series are capable of driving a 3.0 A load with excellent line and load regulation. These

STEP-UP, 600 kHz, PWM CONTROL OR PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
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Since the oscillation frequency is a high 300 kHz or 600 kHz, with the addition of a small external part, the S-8340/8341 Series functions as a highly efficient step-up switching regulator with a high output current. The speed of the output stage is enhanced so that the N-

100 mA, Fixed Frequency PWM StepUp Micropower Switching Regulator
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The NCP1400A series are micropower stepup DC to DC converters that are specifically designed for powering portable equipment from one or two cell battery packs. These devices are designed to startup with a cell voltage of 0.8 V and operate down to less than 0.2 V. With

200 mA, PFM Step-Up Micropower Switching Regulator
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The NCP1402 series are monolithic micropower step-up DC to DC converter that are specially designed for powering portable equipment from one or two cell battery packs. These devices are designed to startup with a cell voltage of 0.8 V and operate down to less

A1.{A. Prodic2002} A. Prodic, D. Maksimovic, Design of a digital PID regulator based on look-up tables for control of high-frequency DC-DC converters, IEEE
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15, no. 2, pp. 58-69. D5.{D.Mitchell1998}DM Mitchell, DC-DC SwitchingRegulator Analysis, New York: McGraw Hill, 1998. D6.{D.Gajski1983}DD Gajski and RH Kuhn, Guest EditorIntroduction: New VLSI Tools, IEEE Computer, Vol. 16, Dec. 1983, pp.11-14. 128 Page 3

ELECTRONICS COMPONENTS SALES AND SERVICE-INTEGRATED CIRCUIT-ANALOG, DIGITAL, DSP, RF IC, WIRLESS IC, VLSI, CAPACITOR, RESISTOR, INDUCTOR, PCB, MODULE, SENSOR