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pdfStep-Down Switching Regulators

A substantial percentage of regulator requirements involve stepping down the primary voltage. Although linear regulators can do this, they cannot achieve the effi ciency of switching based approaches1. The theory supporting step-down (“buck”) switching regulation is well established, and has been exploited for some time. Convenient, easily applied ICs allowing implementation of practical circuits are, however, relatively new. These devices permit broad application of step-down regulation with mi.......


Step-Down Switching Regulators


ADP1612 datasheet and product info | 650 kHz /1.3 MHz Step-Up PWM DC-to-DC Switching Converter with 1.4 A Current Limit | Switching Regulators | Analo.......

The ADP1612/ADP1613 are step-up dc-to-dc switching con-verters with an integrated power switch capable of providing an output voltage as high as 20 V. With a package height of less than 1. 1 mm, the ADP1612/ADP1613 are optimal for space-constrained applications such as portable devices or thin film transistor (TFT) liquid crystal displays (LCDs). The ADP1612/ADP1613 operate in current mode.......


Step-Down (Buck) Switching Voltage Regulators with LM2576/LM_Circuit Diagram World



AN1631/D Using PSPICE to Analyze Performance of Power MOSFETs in Step-Down, Switching Regulators Employing Synchronous Rectification Prepared by: Rick Honda and Scott Deuty http://onsemi.com APPLICATION NOTE INTRODUCTION This paper will describe an easy method [. . ]


LM2678 Voltage Regulator Circuit

The LM2678 series of regulators are monolithic integrated circuits for a step-down switching voltage regulator capable of driving up to 5A loads with excel



MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A 1.5 A, Step-Up/Down/ Inverting Switching Regulators The MC34063A Series is a monolithic control circuit containing the primary functions required for DC-to-DC [. . . . . ]



LM2596 www.ti.com SNVS124C – NOVEMBER 1999 – REVISED APRIL 2013 LM2596 SIMPLE SWITCHER ® Power Converter 150 kHz 3A Step-Down Voltage Regulator Check for Samples: LM2596 1 FEATURES DESCRIPTION The LM2596 series of regulators are monolithic 23 • 3. 3V, 5V, 12V, and Adjustable Output Versions integrated circuits that provide all the active functions • Adjustable Version Output Voltage Range, for a step-down (buck) switching regulator, capable of 1. 2V to 37V ± 4% Max Over Line and Load driving a 3.......



Keywords: Switching Regulators,Step Down,Inductors,Simulation,EE-Sim,component selection APPLICATION NOTE 6071 CHOOSE THE RIGHT REGULATOR FOR THE RIGHT JOB: PART 3, COMPONENT SELECTION By: Don Corey, Principal Member of Technical Staff, Maxim Integrated Abstract: This application note is part 3 of a three-part series on power regulators. In part 1 , we discussed regulator control schemes and examined the critical [..].......



DescriptionThe LM2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving 3A load with excellent line and load regulation. These devices are available in fixed output voltages of 3. 3V, 5V, 12V, 15V, and an adjustable output version. Requiring a minimum number of external components, these .......


UPDATED: LTC3605 - 15V, 5A Synchronous Step-Down Regulator

The LTC3605 is a high efficiency, monolithic synchronous buck regulator using a phase lockable controlled on-time constant frequency, current mode architecture. PolyPhase operation allows multiple LTC3605 regulators to run out of phase while using minimal input and output capacitance. The operating supply voltage range is from 15V down to 4V, making it suitable for dual lithium-ion battery inputs as well as point of load power supply applications from a 12V or 5V rail. The operating frequency is.......


Switching Regulator - Linear Technology

Linear Technology manufactures a broad line of high performance switching regulator ICs with both synchronous and non-synchronous internal switches. These switching voltage regulators offer typical input voltage capability from 2. 25V up to 60V, switching frequencies up to 4MHz and high efficiency operation up to 96%. Also with Burst Mode operation, quiescent currents in the tens of micro-amps level can be attained.This combination of features allows very small, low profile circuit implementatio.......


ADP1111 datasheet and product info | Micropower, Step-Up/Step-Down SW Regulator; Adjustable and Fixed 3.3 V, 5 V, 12 V | Switching Regulators | Analog.......

The ADP1111 is part of a family of step-up/step-down switching regulators that operates from an input voltage supply of 2 V to 12 V in step-up mode and up to 30 V in step-down mode. The ADP1111 can be programmed to operate in step-up/stepdown or inverting applications with only 3 external components. The fixed outputs are 3. 3 V, 5 V and 12 V; and an adjustable version is also available. The.......


Pololu - Pololu Adjustable Step-Up Voltage Regulator U1V11A

This compact (0. 45″×0. 6″) U1V11A switching step-up (or boost) voltage regulator efficiently boosts input voltages as low as 0.5 V to an adjustable output voltage between 2 V and 5. 25 V. Unlike most boost regulators, the U1V11A offers a true shutdown option that turns off power to the load, and it automatically switches to a linear down-regulation mode when the input voltage exceeds the output. The pins have a 0. 1" spacing, making this board compatible with standard solderless bread.......


SIMPLE SWITCHER Power Converter High Efficiency 1A Step-Down Voltage Regulator - LM2675-5.0EVAL - TI Tool Folder

Amp Step-Down High-Efficency SIMPLE SWITCHER Evaluation Board.The LM2675 SIMPLE SWITCHER step-down regulator provides all the active functions for a step-down regulator capable of driving a 1A load.Switching frequency is internally set to 260 kHz, allowing smaller-sized filter components than would be needed with lower-frequency switching regulators. The internal switch is an 0. 25-ohm DMOS device, providing very high-efficiency power conversion. With this high efficiency, the copper traces on t.......


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