![]() ![]() Description The LTC®3807 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage. A constant frequency current mode architecture allows a phase-lockable frequency of up to 750kHz. The 50μA no-load quiescent current extends operating run time in battery-powered systems. ![]() OPTI-LOOP® compensation allows the transient response to be optimized over a wide range of output capacitance and ESR values. The LTC3807 features a precision 0.8V reference and power good output indicator. A wide 4V to 38V input supply range encompasses a wide range of intermediate bus voltages and battery chemistries. The output voltage of the LTC3807 can be programmed between 0.8V to 24V. The TRACK/SS pin ramps the output voltages during start-up. Current foldback limits MOSFET heat dissipation during short-circuit conditions. The PLLIN/MODE pin selects among Burst Mode operation, pulse-skipping mode, or continuous conduction mode at light loads. ![]() Packaging CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints. Order Info • Part numbers ending in PBF are. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information. Demo Boards Linear Technology offers many demo boards free of charge to qualified customers. To inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application. Part Number Description Price Documentation LTC3807EFE Demo Board| Sync Buck, 16V ≤ VIN ≤ 38V; VOUT = 12V @ 15A • to view our complete list of demo boards. The design tool is a complete power supply design tool program that can significantly ease the tasks of power supply design. It guides users to a solution, selects power stage components, provides detailed power efficiency, shows quick loop bode plot stability and load transient analysis, and can export a final design to LTspice for simulation. To open the project file for this circuit: • Step 1: If you have not installed LTpowerCAD on this computer, download and install • Step 2: Once LTpowerCAD is installed, click on the link(s) below to open the project file • • Step 3: If LTpowerCAD does not automatically open after clicking the link above, you can open the project file by right clicking on the link and selecting 'Save Target As.' After saving the file to your computer, start LTpowerCAD and open the project file by selecting 'Open Project' from the 'File' menu Design tools for the following parts are available in LTpowerCAD: LTC3807. Macroom.ie - the site for all things Macroom. The LTC®3807 is a high performance step-down switching regulator DC/DC controller that drives an all N-channel synchronous power MOSFET stage. EBBETT PUKEKOHE. An Ebbett Group Dealership. Cnr Edinburgh & Tobin Sts, Pukekohe, New Zealand. Sales: 09 237 0710 Service: 09 237 0710. Features • Silent Switcher™ Architecture: Ultralow EMI/EMC Emissions • High Efficiency at High Frequency Up to 96% Efficiency at 1MHz Up to 94% Efficiency at 2MHz • Wide Input Voltage Range: 3.4V to 42V • Ultralow Quiescent Current Burst Mode® Operation: 2.5μA I Q Regulating 12V IN to 3.3V OUT Output Ripple. Description The LT®8614 step-down regulator features Silent Switcher architecture designed to minimize EMI/EMC emissions while delivering high efficiency at frequencies up to 3MHz. Assembled in a 3mm × 4mm QFN, the monolithic construction with integrated power switches and inclusion of all necessary circuitry yields a solution with a minimal PCB footprint. An ultralow 2.5μA quiescent current—with the output in full regulation— enables applications requiring highest efficiency at very small load currents. Transient response remains excellent and output voltage ripple is below 10mV P-P at any load, from zero to full current. The LT8614 allows high V IN to low V OUT conversion at high frequency with a fast minimum top switch on-time of 30ns. Operation is safe in overload even with a saturated inductor. Essential features are included and easy to use: An opendrain PG pin signals when the output is in regulation. The SYNC pin allows clock synchronization and choice of Burst Mode operation or pulse-skipping mode. Soft-start and tracking functionality is accessed via the TR/SS pin. An accurate enable threshold can be set using the EN/UV pin and a resistor at the RT pin programs switch frequency. Packaging CAD Symbols and Footprints: The downloadable Zip file below contains the schematic symbol and PCB footprints. • For complete and up to date package information and drawings, please refer to our Part Number Package Code Temp Package Drawing RoHS LT8614EUDC#PBF 3x4 QFN-18 UDC E LT8614EUDC#TRPBF 3x4 QFN-18 UDC E LT8614HUDC#PBF 3x4 QFN-18 UDC H LT8614HUDC#TRPBF 3x4 QFN-18 UDC H LT8614IUDC#PBF 3x4 QFN-18 UDC I LT8614IUDC#TRPBF 3x4 QFN-18 UDC I LT8614MPUDC#PBF 3x4 QFN-18 UDC MP LT8614MPUDC#TRPBF 3x4 QFN-18 UDC MP. Order Info • Part numbers ending in PBF are. Solder plated terminal finish (SnPb) versions are non-standard and special terms and conditions and pricing applies if available. Please contact LTC marketing for information. • Part numbers containing TR or TRM are shipped in, respectively • Please refer to our or the product datasheet for more details Package Variations and Pricing Part Number Package Temp Price (1-99) Price (1k) * RoHS E $6.07 $4.25 E $4.31 H $7.04 $4.93 H $7.10 $4.99 I $6.69 $4.68 I $6.75 $4.74 MP $19.00 $13.30 MP $19.06 $13.36 • * The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology. Demo Boards Linear Technology offers many demo boards free of charge to qualified customers. To inquire about a demo board. Certain demo boards are also available for sale via credit card on this website. Demo boards are for evaluation purposes only. It remains the customer’s responsibility to verify proper and reliable operation in the actual end application. Part Number Description Price Documentation LT8614 Demo Board| 2MHz Buck Silent Switcher, 5.8V ≤ VIN ≤ 42V, Vout = 5V @ 4A • to view our complete list of demo boards. Designed for Automotive and Transportation Applications Please for more information regarding reliability reports and AEC-Q100 data or to inquire about parts that are not included. For more information, Part Number Package Temp Price (1-99) Price (1k) * RoHS H $7.04 $4.93 H $7.10 $4.99 I $6.69 $4.68 I $6.75 $4.74 • * The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Linear Technology. Software is a powerful, fast and free simulation tool, schematic capture and waveform viewer with enhancements and models for improving the simulation of switching regulators. To launch a ready to run LTspice demonstration circuit for this part: • Step 1: If you have not installed LTspice on this computer, download and install • Step 2: Once LTspice is installed, click on the link(s) below to launch the simulation • • • • Step 3: If LTspice does not automatically open after clicking the link above, you can instead run the simulation by right clicking on the link and selecting 'Save Target As.' After saving the file to your computer, start LTspice and open the demonstration circuit by selecting 'Open' from the 'File' menu To explore other ready to run LTspice demonstration circuits, please visit our. Models for the following parts are available in LTspice: LT8614 LTpowerCAD. The design tool is a complete power supply design tool program that can significantly ease the tasks of power supply design. It guides users to a solution, selects power stage components, provides detailed power efficiency, shows quick loop bode plot stability and load transient analysis, and can export a final design to LTspice for simulation. To open the project file for this circuit: • Step 1: If you have not installed LTpowerCAD on this computer, download and install • Step 2: Once LTpowerCAD is installed, click on the link(s) below to open the project file • • Step 3: If LTpowerCAD does not automatically open after clicking the link above, you can open the project file by right clicking on the link and selecting 'Save Target As.' After saving the file to your computer, start LTpowerCAD and open the project file by selecting 'Open Project' from the 'File' menu Design tools for the following parts are available in LTpowerCAD: LT8614. Overview of Udc_demo.exe What Is Udc_demo.exe? Udc_demo.exe is a type of EXE file associated with 101 Greatest XP Apps & Utilities developed by Select Soft Publishing for the Windows Operating System. The latest known version of Udc_demo.exe is 1.0.0.0, which was produced for Windows 95 95. This EXE file carries a popularity rating of 1 stars and a security rating of 'UNKNOWN'. What Are EXE Files? EXE ('executable') files, such as udc_demo.exe, are files that contain step-by-step instructions that a computer follows to carry out a function. When you 'double-click' an EXE file, your computer automatically executes these instructions designed by a software developer (eg. Select Soft Publishing) to run a program (eg. 101 Greatest XP Apps & Utilities) on your PC. Every software application on your PC uses an executable file - your web browser, word processor, spreadsheet program, etc. - making it one of the most useful kinds of files in the Windows operating system. Without executable files like udc_demo.exe, you wouldn't be able to use any programs on your PC. Why Do I Have EXE Errors? Because of their usefulness and ubiquity, EXE files are commonly used as a method of delivery for virus / malware infection. Often, viruses will be disguised as a benign EXE file (such as udc_demo.exe) and distributed through SPAM email or malicious websites, which can then infect your computer when executed (eg. When you double-click the EXE file). In addition, viruses can infect, replace, or corrupt existing EXE files, which can then lead to error messages when 101 Greatest XP Apps & Utilities or related programs are executed. Thus, any executable files that you download to your PC should be scanned for viruses before opening - even if you think it is from a reputable source. When Do EXE Errors Occur? EXE errors, such as those associated with udc_demo.exe, most often occur during computer startup, program startup, or while trying to use a specific function in your program (eg. Common Udc_demo.exe Error Messages The most common udc_demo.exe errors that can appear on a Windows-based computer are: • 'Udc_demo.exe Application Error.' • 'Udc_demo.exe is not a valid Win32 application.' • 'Udc_demo.exe has encountered a problem and needs to close. We are sorry for the inconvenience.' • 'Cannot find udc_demo.exe.' • 'Udc_demo.exe not found.' • 'Error starting program: udc_demo.exe.' • 'Udc_demo.exe is not running.' • 'Udc_demo.exe failed.' • 'Faulting Application Path: udc_demo.exe.' These EXE error messages can appear during program installation, while a udc_demo.exe-related software program (eg. 101 Greatest XP Apps & Utilities) is running, during Windows startup or shutdown, or even during the installation of the Windows operating system. Keeping track of when and where your udc_demo.exe error occurs is a critical piece of information in troubleshooting the problem. Recommendation: Causes of Udc_demo.exe Errors Udc_demo.exe problems can be attributed to corrupt or missing files, invalid registry entries associated with Udc_demo.exe, or a virus / malware infection. More specifically, these udc_demo.exe errors can be caused by: • Corrupt Windows registry keys associated with udc_demo.exe / 101 Greatest XP Apps & Utilities. • Virus or malware infection that has corrupted the udc_demo.exe file or related 101 Greatest XP Apps & Utilities program files. • Another program maliciously or mistakenly deleted udc_demo.exe-related files. • Another program is in conflict with 101 Greatest XP Apps & Utilities and its shared referenced files. • Corrupt download or incomplete installation of 101 Greatest XP Apps & Utilities software. Caution: We do not recommend downloading udc_demo.exe from 'EXE download' sites. These sites distribute EXE files that are unapproved by the official udc_demo.exe file developer, and can often be bundled with virus-infected or other malicious files. If you require a copy of udc_demo.exe, it is recommended that you obtain it directly from Select Soft Publishing. Below is a list of troubleshooting steps to resolve your udc_demo.exe problems. These troubleshooting steps get progressively more difficult and time consuming, so we strongly recommend attempting them in ascending order to avoid unnecessary time and effort. Please Note: Click the [ ] image to expand the troubleshooting instructions for each step below. You can also click the [ ] image to hide the instructions as you proceed through each step. Sometimes udc_demo.exe and other EXE system errors can be related to problems in the Windows registry. Several programs can share the same udc_demo.exe file, but when these programs are uninstalled or changed, sometimes 'orphaned' (invalid) EXE registry entries are left behind. Basically, what this means is that while the actual file path may have changed, its incorrect former location is still recorded in the Windows registry. When Windows tries looking up these incorrect file references (file locations on your PC), udc_demo.exe errors can occur. In addition, malware infection may have corrupted the registry entries associated with 101 Greatest XP Apps & Utilities. Thus, these invalid EXE registry entries need to be repaired to fix the root of the problem. Manually editing the Windows registry to remove invalid udc_demo.exe keys is not recommended unless you are PC service professional. Incorrectly editing your registry can stop your PC from functioning and create irreversible damage to your operating system. In fact, one misplaced comma can prevent your PC from booting entirely! Because of this risk, we highly recommend using a trusted registry cleaner such as (Developed by Microsoft Gold Certified Partner) to scan and repair any udc_demo.exe-related registry problems. Using a automates the process of finding invalid registry entries, missing file references (like the one causing your udc_demo.exe error), and broken links within the registry. A backup is automatically created before each scan, with the ability to undo any changes in a single click, protecting you against the possibility of PC damage. The best part is that can also dramatically improve system speed and performance. Caution: Unless you an advanced PC user, we DO NOT recommend editing the Windows registry manually. Using Registry Editor incorrectly can cause serious problems that may require you to reinstall Windows. We do not guarantee that problems resulting from the incorrect use of Registry Editor can be solved. Use Registry Editor at your own risk. To manually repair your Windows registry, first you need to create a backup by exporting a portion of the registry related to udc_demo.exe (eg. 101 Greatest XP Apps & Utilities): • Click the Start button. • Type ' command' in the search box. DO NOT hit ENTER yet! • While holding CTRL-Shift on your keyboard, hit ENTER. • You will be prompted with a permission dialog box. • A black box will open with a blinking cursor. • Type ' regedit' and hit ENTER. • In the Registry Editor, select the udc_demo.exe-related key (eg. 101 Greatest XP Apps & Utilities) you want to back up. • From the File menu, choose Export. • In the Save In list, select the folder where you want to save the 101 Greatest XP Apps & Utilities backup key. • In the File Name box, type a name for your backup file, such as '101 Greatest XP Apps & Utilities Backup'. • In the Export Range box, be sure that ' Selected branch' is selected. • Click Save. • The file is then saved with a.reg file extension. • You now have a backup of your udc_demo.exe-related registry entry. The next steps in manually editing your registry will not be discussed in this article due to the high risk of damaging your system. If you would like to learn more about manual registry editing, please see the links below. Tip: If you do not already have a malware protection program installed, we highly recommend using Emsisoft Anti-Malware (). They offer a malware removal guarantee that is not offered by other security software. Over time, your computer accumulates junk files from normal web surfing and computer use. If this junk isn't occasionally cleaned out, it can cause 101 Greatest XP Apps & Utilities to respond slowly or provides an udc_demo.exe error, possibly due to file conflicts or an overloaded hard drive. Cleaning up these temporary files with Disk Cleanup might not only solve your udc_demo.exe error, but can also dramatically speed up the performance of your PC. Tip: Although Disk Cleanup is a wonderful built-in tool, it will not completely clean up all of the temporary files on your computer. Other programs that you frequently use such Microsoft Office, Firefox, Chrome, Live Messenger, and hundreds of other programs are not cleaned up with Disk Cleanup (including some Select Soft Publishing programs). Because of the shortcomings of the Windows Disk Cleanup (cleanmgr) tool, we highly recommend using a specialized hard drive cleanup / privacy protection software such as (Developed by Microsoft Gold Partner) to clean up your entire computer. Running once per day (using automatic scanning) will ensure that your computer is always clean, running fast, and free of udc_demo.exe errors related to temporary files. How to run Disk Cleanup (cleanmgr) (Windows XP, Vista, 7, 8, and 10): • Click the Start button. • Type ' command' in the search box. DO NOT hit ENTER yet! • While holding CTRL-Shift on your keyboard, hit ENTER. • You will be prompted with a permission dialog box. • A black box will open with a blinking cursor. • Type ' cleanmgr' and hit ENTER. • Disk Cleanup will begin calculating how much occupied disk space you can reclaim. • The Disk Cleanup dialog box will appear with series of checkboxes you can select. In most cases, the 'Temporary Files' category will occupy the most disk space. • Check the boxes of the categories you want to clean and click OK. Udc_demo.exe errors can be related to corrupt or outdated device drivers. Drivers can work one day, and suddenly stop working the next day, for a variety of reasons. The good news is that you can often update the device driver to fix the EXE problem. Finding the exact driver for your udc_demo.exe-related hardware device can be extremely difficult, even directly on the Select Soft Publishing or related manufacturer's website. Even if you are experienced at finding, downloading, and manually updating drivers, the process can still be very time consuming and extremely irritating. Installing the wrong driver, or simply an incompatible version of the right driver, can make your problems even worse. Because of the time and complexity involved in updating drivers, we highly recommend using a such as (Developed by Microsoft Gold Partner) to automate the process. Updates all of your PC device drivers, not just those associated with your EXE error. Proprietary One-Click Update™ technology not only ensures that you have correct driver versions for your hardware, but it also creates a backup of your current drivers before making any changes. Maintaining a driver backup provides you with the security of knowing that you can rollback any driver to a previous version if necessary. With updated device drivers, you can finally unlock new hardware features and improve the speed and performance of your PC. Please Note: Using System Restore will not affect your documents, pictures, or other data. To use System Restore (Windows XP, Vista, 7, 8, and 10): • Click the Start button. • In the search box, type 'System Restore' and hit ENTER. • In the results, click System Restore. • Enter any administrator passwords (if prompted). • Follow the steps in the Wizard to choose a restore point. • Restore your computer. If your udc_demo.exe error is related to a specific program, reinstalling 101 Greatest XP Apps & Utilities-related software could be the answer. Instructions for Windows 7 and Windows Vista: • Open Programs and Features by clicking the Start button. • Click Control Panel on the right side menu. • Click Programs. • Click Programs and Features. • Locate udc_demo.exe-associated program (eg. 101 Greatest XP Apps & Utilities) under the Name column. • Click on the 101 Greatest XP Apps & Utilities-associated entry. • Click the Uninstall button on the top menu ribbon. • Follow the on-screen directions to complete the uninstallation of your udc_demo.exe-associated program. Instructions for Windows XP: • Open Programs and Features by clicking the Start button. • Click Control Panel. • Click Add or Remove Programs. • Locate udc_demo.exe-associated program (eg. 101 Greatest XP Apps & Utilities) under the list of Currently Installed Programs. • Click on the 101 Greatest XP Apps & Utilities-associated entry. • Click the Remove button on the right side. • Follow the on-screen directions to complete the uninstallation of your udc_demo.exe-associated program. Instructions for Windows 8: • Hover the cursor in the bottom left of the screen to produce the Start Menu image. • Right-Click to bring up the Start Context Menu. • Click Programs and Features. • Locate udc_demo.exe-associated program (eg. 101 Greatest XP Apps & Utilities) under the Name column. • Click on the 101 Greatest XP Apps & Utilities-associated entry. • Click the Uninstall/Change on the top menu ribbon. • Follow the on-screen directions to complete the uninstallation of your udc_demo.exe-associated program. After you have successfully uninstalled your udc_demo.exe-associated program (eg. 101 Greatest XP Apps & Utilities), reinstall the program according to the Select Soft Publishing instructions. Tip: If you are positive that your EXE error is related to a specific Select Soft Publishing program, uninstalling and reinstalling your udc_demo.exe-related program will likely be the solution to your problem. System File Checker is a handy tool included with Windows that allows you scan for and restore corruptions in Windows system files (including those related to udc_demo.exe). If System File Checker finds a problem with your EXE or other critical system file, it will attempt to replace the problematic files automatically. To run System File Checker ( Windows XP, Vista, 7, 8, and 10): • Click the Start button. • Type ' command' in the search box. DO NOT hit ENTER yet! • While holding CTRL-Shift on your keyboard, hit ENTER. • You will be prompted with a permission dialog box. • A black box will open with a blinking cursor. • Type ' sfc /scannow' and hit ENTER. • System File Checker will begin scanning for udc_demo.exe and other system file problems (be patient - the system scan may take a while). • Follow the on-screen commands. Microsoft is constantly updating and improving Windows system files that could be associated with udc_demo.exe. Sometimes resolving your EXE problems may be as simple as updating Windows with the latest Service Pack or other patch that Microsoft releases on an ongoing basis. To check for Windows Updates (Windows XP, Vista, 7, 8, and 10): • Click the Start button. • Type ' update' into the search box and hit ENTER. • The Windows Update dialog box will appear. • If updates are available, click the Install Updates button. Caution: We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve udc_demo.exe problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately () to protect yourself from permanent data loss. This step is your final option in trying to resolve your udc_demo.exe issue. Reinstalling Windows will erase everything from your hard drive, allowing you to start again with a fresh system. Furthermore, a clean install of Windows will also quickly clean out any and all 'junk' that has accumulated over the normal usage of your computer. Solvusoft: Microsoft Gold Certified Company Recognized for best-in-class capabilities as an ISV (Independent Software Vendor) Solvusoft is recognized by Microsoft as a leading Independent Software Vendor, achieving the highest level of completence and excellence in software development. Solvusoft's close relationship with Microsoft as a Gold Certified Partner enables us to provide best-in-class software solutions that are optimized for performance on Windows operating systems. How is the Gold Competency Level Attained? To achieve a Gold competency level, Solvusoft goes through extensive independent analysis that looks for, amongst other qualities, a high level of software expertise, a successful customer service track record, and top-tier customer value. As a Gold Certified Independent Software Vendor (ISV), Solvusoft is able to provide the highest level of customer satisfaction through delivering top-level software and service solutions, which have been subject to a rigourous and continually-audited approval process by Microsoft.
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