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NOTE

MAX16833高電壓,高亮度LED驅動器分部設計

Abstract: This application NOTE details a step-by-step design process for the MAX16833 high-voltagehigh-brightness LED driver. This process can speed up prototyping and increase the chance for firstpass

標簽： 16833 MAX LED 高電壓

上傳時間： 2013-10-09

上傳用戶：tianjinfan
用于汽車無線電和信息娛樂系統的8V開關電源

Abstract: This application NOTE illustrates an intermediate 8V switching power supply for an automotive radio and infotainment system.The design withstands the complete automotive input voltage range (including cold crank and load dump conditions), assuring a stable8V supply for common subsystems such as a CD driver, LCDs, and a radio module in modern infotainment systems. To avoiddisturbance in the AM and FM bands, the switching power supply runs at a fixed frequency of 2MHz, enabling an ideal solution forradio systems.

標簽： 汽車無線電信息娛樂系統開關電源

上傳時間： 2013-11-20

上傳用戶：feitian920
電平轉換控制功率MOSFET

Abstract: Some power architectures require the power supply sequencer (or system manager) to controldownstream power MOSFETs to allow power to flow into branch circuits. This application NOTE explains howsystem power sequencing and level shifting can be accomplished using a low-voltage system manager

標簽： MOSFET 電平轉換控制功率

上傳時間： 2013-11-02

上傳用戶：wys0120
一種改進的簡單的電纜仿真模型

Abstract: Nonideal cable dispersive effects can affect system performance. This application NOTE discusses the twomain loss effects related to cables (skin-effect and dielectric losses), and presents a simple method of modeling thecable for use in standard SPICE simulators.

標簽： 電纜仿真模型

上傳時間： 2014-11-18

上傳用戶：wxnumen
如何設計一個高效率的DC-DC轉換器

Abstract: The DS1875 features a pulse-width modulation (PWM) controller that can be used to control aDC-DC converter. The DC-DC converter can then be used to generate the high bias voltages necessaryfor avalanche photodiodes (APDs). This application NOTE describes the operation of a boost converterthat uses the DS1875. Discussion covers the selection of the inductor and switching frequency, and theselection of components that improve the efficiency of the converter. Test data are presented.

標簽： DC-DC 如何設計高效率轉換器

上傳時間： 2013-10-26

上傳用戶：lyson
電源供應器與數字電位器校準應用筆記

Abstract: A resistive feedback network is often used to set the output voltage of a power supply. A mechanical potentiometer (pot)conveniently solves the problem of adjusting a power supply. For easier automatic calibration, a mechanical pot can be replaced witha digital pot. This application NOTE presents a calibration solution that uses a digital pot, because digipots are smaller, do not movewith age or vibration, and can be recalibrated remotely. This proposed solution reduces the susceptibility of the system to thetolerance of the digital pot's end-to-end resistance, making the solution optimal fordesigners. This application NOTE also explainssome of the equations required to calculate the resistor chain values and to use a digital pot in this way. A spreadsheet withstandard reisistor values is available for easy calculations.

標簽： 電源供應器數字電位器應用筆記校準

上傳時間： 2013-10-31

上傳用戶：caiguoqing
Altera FPGA的電源解決方案

Abstract: Field-programmable gate arrays (FPGAs) are used in a wide variety of applications and end markets, including digital signalprocessing, medical imaging, and high-performance computing. This application NOTE outlines the issues related to powering FPGAs.It also discusses Maxim's solutions for powering Altera® FPGAs.

標簽： Altera FPGA 電源解決方案

上傳時間： 2013-11-02

上傳用戶：zhaoman32
使用H橋變壓器驅動器,充電超級電容器

Abstract: With its small size and large load (10W) capability, the MAX13256 H-bridge transformer driver is an attractive solution forcharging supercapacitors (supercaps). However, a large capacitance on the output of the circuit can force the driver into fault modeat startup, due to the high initial charge current. This application NOTE presents a solution that allows users to charge a largecapacitance without going into fault.

標簽： H橋變壓器驅動器充電超級電容器

上傳時間： 2013-10-20

上傳用戶：2728460838
MAX14885E VGA交叉開關電源排序

The MAX14885E, a 2:2 VGA switch, connects a VGA source to a VGA monitor. To ease direct connection to graphics controllers orthe ASIC, the MAX14885E has two supplies: VCC, a 5V ±5% supply, drives the VGA side interface; and the VL supply sets the logicswitching thresholds on the digital input pins (EN, S00, S01, S10, S11, SHA, SHB, SVA, and SVB). This application NOTE documentsthe proper sequencing of the VCC and VL power supplies on power-up.

標簽： 14885E 14885 MAX VGA

上傳時間： 2013-10-23

上傳用戶：wuchunzhong
太陽能電池板電池充電技術手冊

Advances in low power electronics now allow placementof battery-powered sensors and other devices in locationsfar from the power grid. Ideally, for true grid independence,the batteries should not need replacement, but instead berecharged using locally available renewable energy, suchas solar power. This Design NOTE shows how to producea compact battery charger that operates from a small2-cell solar panel. A unique feature of this design is thatthe DC/DC converter uses power point control to extractmaximum power from the solar panel.

標簽： 太陽能電池板電池充電技術手冊

上傳時間： 2014-01-20

上傳用戶：wettetw