Step Down Switching Regulators - Electrónica de potencia

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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.......

Electrónica de potencia

http://cds.linear.com/docs/en/application-note/an35f.pdf


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.......

Electrónica de potencia

http://www.analog.com/en/products/power-management/switching-power-converters/switching-regulators/adp1614.html


Step-Down Switching Regulators

Electrónica de potencia

http://www.linear.com/docs/4129


pdfAN1631-D

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 [. . ]

Electrónica de potencia

http://www.onsemi.com/pub/Collateral/AN1631-D.PDF


pdfSHT-164

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.......

Electrónica de potencia

http://www.electronicaestudio.com/docs/SHT-164.pdf


LM2576

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 .......

Electrónica de potencia

http://kamuskomponenelektronika.blogspot.com/2013/04/lm2576.html


pdfAN6071

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 [..].......

Electrónica de potencia

http://pdfserv.maximintegrated.com/en/an/AN6071.pdf


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.......

Electrónica de potencia

http://www.pololu.com/catalog/product/2560


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.......

Electrónica de potencia

http://www.ti.com/tool/lm2675-5.0eval


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.......

Electrónica de potencia

http://feedproxy.google.com/~r/LinearTechnologyFeed-Datasheets/~3/NV9WVUAF2C8/LTC3605


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.......

Electrónica de potencia

http://www.analog.com/en/power-management/switching-regulators-integrated-fet-switches/adp1111/products/product.html


Power SuppliesDC to DC #-APower SuppliesDC to DC #-A

Discovercircuits.com, collection of free electronic circuits, site has 25,000+ electronic schematics, designs, diagrams carefully categorized. DC to DC Power Supplies #-A.

Electrónica de potencia

http://www.discovercircuits.com/P/pwr-dctodc.htm


pdfAND8123-D

AND8123/D Power Factor Correction Stages Operating in Critical Conduction Mode Prepared by: Joel Turchi ON Semiconductor http://onsemi.com APPLICATION NOTE This paper proposes a detailed and mathematical analysis of the operation of a critical [. . ]

Electrónica de potencia

http://www.onsemi.com/pub/Collateral/AND8123-D.PDF


Power Supply Question?Power Supply Question?

I want to build a switching Power Supply, without the use of IC's with everything already inside. I only want to use op amps and passive components. B.

Electrónica de potencia

http://www.instructables.com/answers/Power-Supply-Question


pdfslyt131

Texas Instruments Incorporated Power Management Runtime power control for DSPs using the TPS62000 buck converter By Markus Matzberger Systems Engineer AAP Power Management Products Introduction Figure 1. Circuit diagram for dynamic [. . ]

Electrónica de potencia

http://focus.ti.com/lit/an/slyt131/slyt131.pdf


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