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LTC4217 pdf datasheet
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格式:rar |
大小:555 |
2008-09-01
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The LTC®4217 is an integrated solution for Hot Swap™
applications that allows a board to be safely inserted and
removed from a live backplane. The part integrates a Hot
Swap controller, power MOSFET and current sense resistor
in a single package for small form factor applications. A
dedicated 12V version (LTC4217-12) contains preset 12V
specifi c thresholds, while the standard LTC4217 allows
adjustable thresholds.
The LTC4217 provides separate inrush current control
and an accurate (5%) 2A current limit with current foldback
limiting. The current limit threshold can be adjusted
dynamically using an external pin. Additional features
include a current monitor output that amplifi es the sense
resistor voltage for ground referenced current sensing
and a MOSFET temperature monitor output. Thermal limit,
overvoltage, undervoltage and powergood monitoring are
also provided.
applications that allows a board to be safely inserted and
removed from a live backplane. The part integrates a Hot
Swap controller, power MOSFET and current sense resistor
in a single package for small form factor applications. A
dedicated 12V version (LTC4217-12) contains preset 12V
specifi c thresholds, while the standard LTC4217 allows
adjustable thresholds.
The LTC4217 provides separate inrush current control
and an accurate (5%) 2A current limit with current foldback
limiting. The current limit threshold can be adjusted
dynamically using an external pin. Additional features
include a current monitor output that amplifi es the sense
resistor voltage for ground referenced current sensing
and a MOSFET temperature monitor output. Thermal limit,
overvoltage, undervoltage and powergood monitoring are
also provided.
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