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dc1624af

DEMO MANUAL DC1624A

Linear Technology  Corporation

1630 McCarthy Blvd., Milpitas, CA 95035-7417  

(408) 432-1900 

 

FAX

: (408) 434-0507 

 

www.linear.com

 

LINEAR TECHNOLOGY CORPORATION 2011

LT 0611 • PRINTED IN USA

DEMONSTRATION BOARD IMPORTANT NOTICE

Linear Technology Corporation (LTC) provides the enclosed product(s) under the following AS IS conditions:
This demonstration board (DEMO BOARD) kit being sold or provided by Linear Technology is intended for use for ENGINEERING DEVELOPMENT 

OR EVALUATION PURPOSES ONLY and is not provided by LTC for commercial use. As such, the DEMO BOARD herein may not be complete 

in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including but not limited to product safety 

measures typically found in finished commercial goods. As a prototype, this product does not fall within the scope of the European Union 

directive on electromagnetic compatibility and therefore may or may not meet the technical requirements of the directive, or other regulations.
If this evaluation kit does not meet the specifications recited in the DEMO BOARD manual the kit may be returned within 30 days from the date 

of delivery for a full refund. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY THE SELLER TO BUYER AND IS IN LIEU 

OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS 

FOR ANY PARTICULAR PURPOSE. EXCEPT TO THE EXTENT OF THIS INDEMNITY, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR 

ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.
The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user releases LTC from all claims 

arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all 

appropriate precautions with regard to electrostatic discharge. Also be aware that the products herein may not be regulatory compliant or 

agency certified (FCC, UL, CE, etc.).
No License is granted under any patent right or other intellectual property whatsoever. LTC assumes no liability for applications assistance, 

customer product design, software performance, or infringement of patents or any other intellectual property rights of any kind.
LTC currently services a variety of customers for products around the world, and therefore this transaction is not exclusive.
Please read the DEMO BOARD manual prior to handling the product. Persons handling this product must have electronics training and 

observe good laboratory practice standards. Common sense is encouraged.
This notice contains important safety information about temperatures and voltages. For further safety concerns, please contact a LTC applica-

tion engineer.

Mailing Address:

Linear Technology

1630 McCarthy Blvd.

Milpitas, CA 95035

Copyright © 2004, Linear Technology Corporation

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Summary of Contents for DC1624A

Page 1: ...ion as DC1624A populated by default places the ideal diode MOSFET ahead of the Hot Swap MOSFET The board also has pads for an alter native configuration with the Hot Swap MOSFET located ahead of the ideal diode MOSFET Design files for this circuit board are available at http www linear com demo TA 25 C SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Input Supply Range 2 9 18 V VINTVCC UVL Intern...

Page 2: ...nt Fast Turn Off OUT 12V HGATE OUT 5V 100 200 300 mA Input Output Pin VON TH ONN On Pin Threshold Voltage ON Rising 1 21 1 235 1 26 V VON RESET ONN Pin Fault Reset Threshold Voltage ON Falling 0 55 0 6 0 63 V VEN TH ENN Pin Threshold Voltage EN Rising 1 185 1 235 1 284 V VTMR TH TMRN Pin Threshold Voltage TMR Rising TMR Falling 1 198 0 15 1 235 0 2 1 272 0 25 V V ITMR UP TMRN Pin Pull Up Current T...

Page 3: ...T2 turret Provide ON1 ON2 signal at the ON1 ON2 pin by mov ing the ON1_SEL ON2_SEL jumper header from OFF position to the ON position Observe the transient The output voltage rise time should be in the range of 12ms to 29ms PWRGD1 PWRGD2 green LED should be lit Turn off the rail using the ON1_SEL ON2_SEL jumper Second Step Initially adjust an electronic resistive load to 10Ω to 12Ω and connect it ...

Page 4: ...mponents to imple ment a two power rails prioritizer with channel 1 having the higher priority Install R17 with 470 and R18 with 41 2k PlaceJP5PPR_SEL powerpriorityselect jumperinposi tion ON2 and JP4 ON2_SEL ON2 select in position OFF Apply independent supply voltages 12V to both inputs Channel 1 will be connected to load Reduce channel 1 input voltage until it reaches an undervoltage condition a...

Page 5: ...Setup for Hot Swap Functionality Test SW1 DC1624A F01 POWER SUPPLY 1 POWER SUPPLY 2 CL1 RL1 SW2 SW3 CL2 RL2 SW4 quick start procedure Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 6: ...01 2 00 80 00 00 07 0 13 8 J1 to J8 JACK BANANA KEYSTONE 575 4 14 5 JP1 JP2 JP3 JP4 JP5 HEADERS 3 PINS 2mm CTRS SAMTEC TMM 103 02 L S 15 5 XJP1 XJP2 XJP3 XJP4 XJP5 SHUNT 2mm CTRS SAMTEC 2SN BK G 16 4 Q1 Q2 Q3 Q4 N CHANNEL 30 V MOSFET PPSO 8 VISHAY Si7336ADP 17 0 Q5 Q6 Q7 Q8 OPT 18 2 RS1 RS2 RES CHIP 0 004 1 2W 1 2010 VISHAY WSL20104L000FEA 19 0 RS3 RS4 OPT 20 4 R1 R3 R13 R14 RES CHIP 10 1 0603 VIS...

Page 7: ... SPECIFICATIONS HOWEVER IT REMAINS THE CUSTOMER S RESPONSIBILITY TO VERIFY PROPER AND RELIABLE OPERATION IN THE ACTUAL APPLICATION COMPONENT SUBSTITUTION AND PRINTED CIRCUIT BOARD LAYOUT MAY SIGNIFICANTLY AFFECT CIRCUIT PERFORMANCE OR RELIABILITY CONTACT LINEAR TECHNOLOGY APPLICATIONS ENGINEERING FOR ASSISTANCE THIS CIRCUIT IS PROPRIETARY TO LINEAR TECHNOLOGY AND SCHEMATIC SUPPLIED FOR USE WITH LI...

Page 8: ... INDEMNITY NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES The user assumes all responsibility and liability for proper and safe handling of the goods Further the user releases LTC from all claims arising from the handling or use of the goods Due to the open construction of the product it is the user s responsibility to take any and all appro...

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