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UG-883 

ADP1974-EVALZ User Guide

 

Rev. 0 | Page 12 of 12 

NOTES 

 

 

 

 

ESD Caution  
ESD (electrostatic discharge) sensitive device

. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection 

circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. 

Legal Terms and Conditions 

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions 
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you 
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement.  This Agreement is made by and between you (“Customer”) and Analog Devices, Inc. 
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal, 
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided 
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional 
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term 
“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including 
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may 
not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to 
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any 
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board. 
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice 
to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO 
WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED 
TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL 
PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF 
THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE 
AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable 
United States federal laws and regulations relating to exports. GOVERNING  LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of 
Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby 
submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

 

©2015 Analog Devices, Inc. All rights reserved. Trademarks and  
 registered trademarks are the property of their respective owners. 
  

UG13517-0-10/15(0)  

Содержание ADP1974-EVALZ

Страница 1: ...ne Frequently asked questions FAQs and troubleshooting GENERAL DESCRIPTION The ADP1974 EVALZ is an open loop evaluation board that can be used to test the features of the ADP1974 The ADP1974 is a cons...

Страница 2: ...Loop Evaluation 3 Evaluation Board Setup Procedures 4 Quick Start Steps 4 Adjusting the ADP1974 EVALZ Components for a Specific Application 5 Application Specific ADP1974 Control 7 Evaluation Board H...

Страница 3: ...EXTERNAL EQUIPMENT AND SYSTEM GROUND POWER SUPPLY VIN 6V TO 60V POWER SUPPLY VFAULT 6V TO 60V POWER SUPPLY VCOMP 0V TO 5V GROUND CONNECTION FOR EXTERNAL EQUIPMENT AND SYSTEM GROUND 13517 001 CONNECT A...

Страница 4: ...test bus This jumper connects EN to VIN and enables the ADP1974 see Figure 2 PLACE JUMPER HERE 13517 002 Figure 2 Enabled Jumper Position Use a jumper to connect the bottom two pins of the EN test bus...

Страница 5: ...wave is visible on the DL pin A complementary square wave is visible on the DH pin 0 5V 4 5V 2 5V BOOST MODE CONFIGURATION MODE 1 05V TYPICAL VSCFG 4 53V TYPICAL COMP 0V DH DL 0V INTERNAL RAMP 4V p p...

Страница 6: ...to a frequency slightly lower than that of the master device to allow the digital synchronization loop of the ADP1974 to synchronize to the master clock period The slave device can synchronize to a ma...

Страница 7: ...20 A typical RCL 20 k The ADP1974 is designed so that the peak current limit is the same in both the buck mode and boost mode of operation A tolerance of 1 or better for the RCL and RS resistors is re...

Страница 8: ...onfigured as an input 1 VIN can also be used to supply VEN and VMODE via jumper connections Alternatively EN and MODE can be powered with separate power supplies 2 When used with the AD8450 the FAULT...

Страница 9: ...8 15 13 14 16 12 11 10 9 RDL CDL CVREG CSYNC RSYNC RDH CDH 1 2 DH DL DH CL DT VREG VREG VIN EN MODE SYNC FAULT SCFG FREQ DMAX SS COMP GND DL DLR DHR VIN EN MODE ADP1974 SYNC FAULT COMP CL CVIN1 CDMAX...

Страница 10: ...UT 13514 016 13517 018 Figure 18 ADP1974 Evaluation Board PCB Top Layer 13517 019 Figure 19 ADP1974 Evaluation Board PCB Inner Layer 2 13517 020 Figure 20 ADP1974 Evaluation Board PCB Inner Layer 1 13...

Страница 11: ...resistor 20 k 0805 1 Vishay Dale CRCW080520K0FKEA 1 RS Current limit set resistor Open 1 RSCFG Synchronization pin control resistor Open 3 CSCFG CDMAX CDT SCFG DMAX and DT pin bypass capacitors 47 pF...

Страница 12: ...party for any reason Upon discontinuation of use of the Evaluation Board or termination of this Agreement Customer agrees to promptly return the Evaluation Board to ADI ADDITIONAL RESTRICTIONS Custome...

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