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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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LTC7003 датащи(PDF) 20 Page - Linear Technology |
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LTC7003 датащи(HTML) 20 Page - Linear Technology |
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20 / 24 page  LTC7003 20 7003f For more information www.linear.com/LTC7003 TYPICAL APPLICATIONS Protected Redundant Supply Switchover with Shoot Through Protection Source Side Current Sense LOAD 10A CONTINUOUS 1µF TS BST TS BST VIN RUN VIN RUN FAULT VCCUV IMON ISET 0.002 2× BSC057N08NS3G 0.002 2× BSC057N08NS3G 1nF 10k 10 10 SNS+ SNS+ SNS– SNS– TGDN TGDN TGUP TGUP 7003 TA03 LTC7003 VBACKUP 7V TO 60V MAIN POWER 7V TO 60V 100k 0.1µF 0.1µF 1nF 1µF 1µF 200k 6.98k GND LTC7003 GND VCCUV IMON ISET VCC TIMER OVLO VCC INP TIMER OVLO INP FAULT NOTE: THE BACKUP PATH WILL LATCH-OFF WITH AN OVERCURRENT FAULT. VMAIN Falling Through 33V VMAIN Rising Through 36V VLOAD vs Main Power Voltage VBACKUP = 60V MAIN POWER (V) 0 10 20 30 40 50 60 70 30 40 50 60 70 7003 TA03b VBACKUP = 60V 40µs/DIV VLOAD 20V/DIV VTG–TS BACKUP 10V/DIV VTG–TS MAIN 10V/DIV 7003 TA03c VBACKUP = 60V 2µs/DIV VLOAD 20V/DIV VTG–TS BACKUP 10V/DIV VTG–TS MAIN 10V/DIV 7003 TA03d SI7852ADP 0.1µF 1nF 1µF 1µF 0.02 100k 10nF VIN 3.5V to 60V LOAD 3.5V to 60V 1A CONTINOUS MAX VIN VCC FAULT TIMER INP SNS+ SNS– BST TGUP TGDN TS LTC7003 VCCUV GND OFF ON ISET IMON OVLO RUN 7003 TA02 NOTE: WITH THE SENSE RESISTOR ON THE SOURCE SIDE OF THE EXTERNAL MOSFET, THE LOAD NEEDS TO RISE HIGHER THAN 3.5V WITHIN 140µSEC OF INP GOING HIGH OR A FAULT WILL BE INDICATED AND THE LTC7003 WILL RETRY. |
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