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LINEAR REGULATOR DESIGN DEVELOPMENT TESTING


The linear regulator is the basic building block of nearly every power supply used in electronics. The IC linear regulator is so easy to use that it is virtually foolproof, and so inexpensive that it is usually one of the cheapest components

Suboptimal design of linear regulator systems subject to computer storage limitations
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ABSTRACT The feasibility of taking practical engineering constraints into con-sideration when designing optimal linear regulator systems is investi-gated. The study is conducted by prespecifying the structural form of time-varying feedback gains, while leaving various free

Multitime linear-quadratic regulator problem based on curvilinear integral
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Theorem 4. Suppose the linearregulator problem is formulated for unbounded u(t), specified t0, positive semidefinite matrices S, Q(t), and positive definite matrix R(t). Then there exists a unique optimal feedback control u∗ (t) = R(t) 1N(t)T K(t)x(t)

Discrete linear regulator revisited
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The discrete-time linear regulator has obtained much attention in the control literature. In fact, this problem has become standard and indispensable part of modern control theory and has found many practical applications. The discrete-time, infinite-horizon, time-invariant,

A high performance linear regulator for low dropout applications
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Todaymicroprocessors are placing ever greater demands upon power system design. Most state of the art devices now require a 3.3 V bus and therefore necessitate some means of stepping down the existing 5V system supply. To complicate matters further,

A dynamic game approximation for a linear regulator problem with a log-barrier state constraint
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AbstractAn exact supremum-of-quadratics representation for log-barrier functions is developed for, and subsequently applied in, a state-constrained linear regulator problem. By approximating this representation, it is shown that this regulator problem can be

Constrained linear quadratic regulator: continuous-time case
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Our idea in this paper, consists of considering the linearregulator problem as an initial guess. Based on this solution another optimization problem is formulated in which the state constraints are relaxed while the control constraints are maintained

A computer aided design-analysis technique for stochastic linear regulator problems
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The class of control problems denoted as Linear Quadratic Gaussian (LQG) is characterized by an Integral quadratic performance measure in the state and input vectors of the system and by linear dynamics with additive Gaussian white noise. In Chapter II the mathematical

Linear Regulator Design Guide For LDOs
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This application report evaluates the thermal considerations for linear regulator design. The thermal equations governing a linear regulator and the evaluation and selection of a linear regulator for a particular design are presented3 Power Dissipation in the Linear Regulator 4 Thermal

Optimal and Robust Sliding Mode Regulator for Linear Systems with Delayed Control
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with time delay in observations. Performance of the obtained optimal regulator is verified in the illustrative example against the best linearregulator available for linear systems without delays. Simulation graphs and comparison

Design of a Stochastic Linear Discrete Regulator Based on an Optimal State Estimation Approach
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necessary. ln this paper, the design of a stochastic linearregulator is proposed for the case of linear discrete-time systems according to a strategy that depends on1y on past and present information about the dynamic system

UltraFast Linear Regulator Eliminates All Bulk Tantalum and Electrolytic Output Capacitors
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Powering 200+ MHz microprocessors requires high current, tight tolerance, fast transient response power supplies. Fast load transients mandate bulk output capacitance to maintain regulation and thus, cost increases. Surface mount tantalum capacitors are expensive and

1.5 A Low Dropout Linear Regulator
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The NCP566 low dropout linear regulator will provide 1.5 A at a fixed output voltage. The fast loop response and low dropout voltage make this regulator ideal for applications where low voltage and good load transient response are important. Device protection includes

Linear Quadratic Regulator
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The linear quadratic regulator. The algebraic Riccati equation. MATLAB commands. 2 3 Optimal Control Optimal Control: select control that minimizes

Design of an Integrated Linear Regulator by FCOC Method for Military and Medical Low Power Applications
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Abstract Low-Power Linear Regulators are important in medical, communication and military application such as bullets of gun with input supply, Maine network of marine, low- consumption satellite circuits and implantable systems in the alive creaturebody. In this

On Construction of A Control Operator Introduced To ECGM Algorithm for Solving Discrete-Time Linear Quadratic Regulator Control Systems with Delay-I
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problem. Keywords: Control Operator, Optimal Control, Discrete-Time Linear Regulator Problem, Extended Conjugate Gradient Method and Differential Delay State. I. Introduction In we have considered the construction of

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

The Optimal Linear Regulator with State-Dependent Sampling
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Abstract-The optimal linear regulator with state-dependent sampling is formulated and the existence of an optimal solution is proved. A search algorithm is developed which uses both the necessary conditions obtained from nonlinear programming theory and a sequential

Linear Low Dropout (LDO) Regulator Solutions
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LT3013 Actual Size Demo Board LT3013: 250mA, 4V to 80V Low Dropout Micropower Linear Regulator with PWRGD Dropout Voltage Dropout Voltage LT 3011: 50mA, 3V to 80V Low Dropout Micropower LinearRegulator with PWRGD 1 F VIN 3V TO 80V

Linear regulator design for stochastic systems by a multiple time scales method
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ABSTRACT This paper develops a hierarchically-structured, suboptimal controller for a linear stochastic system composed of fast snd slow subsystems. It is proved that the controller is optimal in the limit as the separation of time scales of the subsystems becomes

Hybrid controller of neural network and linear regulator for multi-trailer systems optimized by genetic algorithms
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Abstract: A hybrid control scheme is proposed for the stabilization of backward movement along simple paths for a vehicle composed of a truck and six trailers. The hybrid comprises the combination of a linear quadratic regulator (LQR) and a neurocontroller (NC) that is

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

A High-Temperature, High-Voltage Linear Regulator in 0.8- m BCD-on-SOI
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Abstract The sale of hybrid electric vehicles (HEVs) has increased 10 fold from the year 2001 to 2008. Thus, high temperature electronics for HEV applications are desired in the engine compartment, power train, and brakes where the ambient temperature normally

A factorization approach to the linear regulator quadratic cost problem
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ABSTRACT A factorization approach to the linear regulator quadratic cost problem is developed. This approach makes some new connections between optimal control, factorization, Riccati equations and certain Wiener-Hopf operator equations. Applications of

5.0 V, 100 mA Low Dropout Linear Regulator with Watchdog, RESET, and Wake Up
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The CS8151 is a precision 5.0 V, 100 mA micropower voltage regulator with very low quiescent current (400 uA typical at 200 uA load). The 5.0 V output is accurate within 2% and supplies 100 mA of load current with a typical dropout voltage of 400 mV.

Improving Linear Regulator Power Supply Ripple Rejection (PSRR) and Output Noise
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In this article, we focus on two key application-oriented parameters of the linear regulator : Power Supply Ripple Rejection (PSRR) and output noise. These parameters have been discussed before (seeReferences ). This article provides a practical and straightforward

5.0 V, 500 mA Linear Regulator with ENABLE, RESET, and Watchdog
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The NCV8141 is a linear regulator suited for microprocessor applications in automotive environments. This ON Semiconductor part provides the power for the microprocessors along with many of the control functions needed in today computer based systems.

5.0 V, 750 mA Low Dropout Linear Regulator with Delayed RESET
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The CS8126 is a low dropout, high current 5.0 V linear regulator . It is an improved replacement for the CS8156. Improvements include higher accuracy, tighter saturation control, better supply rejection, and enhanced RESET circuitry. Familiar PNP regulator

3.0 A Switch-Mode Power Supply with Linear Regulator
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The 34702 provides the means to efficiently supply the Freescale Power QUICC I, II, and other families of Freescale microprocessors and DSPs. The 34702 incorporates a highperformance switching regulator, providing the direct supply for the microprocessor

Numerical Experiment with Dynamic Programming in Solving Continuous-Time Linear Quadratic Regulator Problems
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Keywords: Continuous-Time LinearRegulator Problem, Optimal Control, Discretization and Dynamic ProgrammingThe linear plant dynamics and quadratic performance criteria (1.1) and (1.2) are referred to as linearregulator problem

Taming linear regulator inrush currents
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Many older linear regulators and some regulators specifically designed for fast start-up require significant inrush current at start-up to charge their output capac itors and to provide current to their resistive loads. The relation ship IInrush= COUT VOUT/tRise predicts the

A 0.35m CMOS Linear Voltage Regulator with High Voltage Power Supply
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Fig. 7 demonstrates that for the range of the input voltage between 7V and 27V, the designed linearregulator maintains output voltage of 3,1VMaxim Inc., MAX8737, Dual, Low-Voltage LinearRegulator Controllers with External MOSFETs, Datasheet, 2005

1 The linear regulator
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Applications of discrete time dynamic optimization Suppose we want to maximize 1 2H = 1 2 xT t Qxt + 1 2 uT t Rut + λT t+1[Axt + But]Solving

Three-Terminal Linear Regulator Evolution Continues Unabated [A Look Back]
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Despite severe competition from switching regulators for decades, the three-terminal linear regulator has not been given up. It continues to hold its niche space because backers like Linear Technology, National Semiconductor/Texas Instruments, Fairchild Semi, and a few

Ultra Low Dropout 1.5 A Linear Regulator
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The RT9183 series are high performance linear voltage regulators that provide ultra low- dropout voltage, high output current with low ground current. It operates from an input of 2.3 V to 5.5 V and provides output current up to 1.5 A thus is suitable to drive digital circuits

OPTIMAL REGULATOR FOR LINEAR SYSTEMS WITH TIME DELAY IN CONTROL INPUT
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using the maximum principle. Performance of the obtained optimal regulator is verified in the illustrative example against the best linearregulator available for linear systems without delays. Simulation graphs and comparison

100 mA Low Dropout Linear Regulator
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The output voltage is accurate within 2.0%, and maximum dropout voltage is 500 mV at 100 mA load current. It is internally protected against 45 V input transients, input supply reversal, output overcurrent faults, and excess die temperature. No external components are

5.0 V Micropower 150 mA LDO Linear Regulator with DELAY, Adjustable RESET, and Monitor FLAG
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The NCV8512 is a 5.0 V precision micropower voltage regulator. The output current capability is 150 mA. The output voltage is accurate within 2.0% with a maximum dropout voltage of 0.6 V at 150 mA. Low quiescent current is a feature drawing only 130 uA with a

The discrete minimum principle with application to the linear regulator problem
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ABSTRACT The purpose of this report is to summarize in the form of a discrete minimum principle the necessary conditions for optimality which have been derived for the optimal control of a class of discrete-time systems. optimal feedback control law when the discrete

Micropower 5.0 V, 100 mA Low Dropout Linear Regulator
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The CS8221 is a precision 5.0 V, 100 mA micropower voltage regulator with very low quiescent current (60 uA typical at 100 uA load). The 5.0 V output is accurate within 2.0% and supplies 100 mA of load current with a maximum dropout voltage of only 600 mV. The

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