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LTC4217

Features: ` Small Footprint`25m MOSFET and 7.5m RSENSE` Wide Operating Voltage Range: 2.9V to 26.5V`Adjustable, 5% Accurate Current Limit` Current and Temperature Monitor Outputs` Overtemperature Protection` Adjustable Current Limit Timer Before Fault` Powergood and Fault Outputs` Adjustable Inrus...

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SeekIC No. : 004402482 Detail

LTC4217: Features: ` Small Footprint`25m MOSFET and 7.5m RSENSE` Wide Operating Voltage Range: 2.9V to 26.5V`Adjustable, 5% Accurate Current Limit` Current and Temperature Monitor Outputs` Overtemperature Pr...

LTC4217 Data Sheet

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Part Number:
LTC4217
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/23

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Product Details

Description



Features:

` Small Footprint
`25m MOSFET and 7.5m RSENSE
` Wide Operating Voltage Range: 2.9V to 26.5V
`Adjustable, 5% Accurate Current Limit
` Current and Temperature Monitor Outputs
` Overtemperature Protection
` Adjustable Current Limit Timer Before Fault
` Powergood and Fault Outputs
` Adjustable Inrush Current Control
` 2% Accurate Undervoltage and Overvoltage Protection
` Available in 20-Lead TSSOP and 16-Lead 5mm * 3mm DFN Packages


Application

· RAID Systems
· Server I/O Cards
· Industrial


Specifications

Supply Voltage (VDD) ...........................0.3V to 28V
Input Voltages
FB, OV, UV ...........................................0.3V to 12V
TIMER ................................................ 0.3V to 3.5V
SENSE ..........................VDD 10V or 0.3V to VDD
Output Voltages
ISET, IMON ............................................0.3V to 3V
PG, FLT ................................................0.3V to 35V
OUT .........................................0.3V to VDD + 0.3V
INTVCC ...............................................0.3V to 3.5V
(Notes 1, 2)
GATE (Note 3) ......................................0.3V to 33V
Operating Temperature Range
LTC4217C ................................................ 0 to 70
LTC4217I..............................................40 to 85
Junction Temperature (Notes 4, 5).....................125
Storage Temperature Range
DHC Package .....................................65 to 125
FE Package ........................................65 to 150
Lead Temperature (Soldering, 10 sec)
FE Package Only ............................................... 300


Description

The LTC4217 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 HotSwap 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 controland an accurate (5%) 2A current limit with current foldback limiting. The current limit threshold can be adjusted dynamically using an external pin. Additional features of LTC4217 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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