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LTC4218

Features: · Wide Operating Voltage Range: 2.9V to 26.5V·Adjustable, 5% Accurate (15mV) Current Limit·Current Monitor Output·Adjustable Current Limit Timer Before Fault·Powergood and Fault Outputs·Adjustable Inrush Current Control·2% Accurate Undervoltage and Overvoltage Protection·Available in 16-...

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SeekIC No. : 004402487 Detail

LTC4218: Features: · Wide Operating Voltage Range: 2.9V to 26.5V·Adjustable, 5% Accurate (15mV) Current Limit·Current Monitor Output·Adjustable Current Limit Timer Before Fault·Powergood and Fault Outputs·Ad...

LTC4218 Data Sheet

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Part Number:
LTC4218
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

· Wide Operating Voltage Range: 2.9V to 26.5V
· Adjustable, 5% Accurate (15mV) Current Limit
· Current Monitor Output
· Adjustable Current Limit Timer Before Fault
· Powergood and Fault Outputs
· Adjustable Inrush Current Control
· 2% Accurate Undervoltage and Overvoltage Protection
· Available in 16-Lead SSOP and 16-Pin 5mm × 3mm DFN Packages


Application

` RAID Systems
` ATCA, AMC, TCA Systems
` Server I/O Cards
` Industrial


Specifications

Supply Voltage (VDD) ............................ 0.3V to 35V
Input Voltages
FB, OV, UV ............................................. 0.3V to 12V
TIMER ................................................... 0.3V to 3.5V
SENSE ........................... VDD 10V or 0.3V to VDD
SENSE+ ........................... VDD 10V or 0.3V to VDD
SOURCE ....................................... 5V to VDD + 0.3V
Output Voltages
ISET, IMON .............................................. 0.3V to 3V
PG, FLT .................................................. 0.3V to 35V
(Notes 1, 2)
INTVCC .................................................. 0.3V to 3.5V
GATE (Note 3) ........................................ 0.3V to 35V
Operating Temperature Range
LTC4218C ................................................... 0 to 70
LTC4218I ................................................40 to 85
Storage Temperature Range
DHC Package ........................................65 to 125
GN Package ..........................................65 to 150
Lead Temperature (Soldering, 10 sec)
GN Package Only ................................................. 300
ORDER INFORMATION


Description

The LTC®4218 is a Hot Swap™ controller that allows a board to be safely inserted and removed from a live backplane. An internal high side switch driver controls the gate of an external N-channel MOSFET for supply voltages from 2.9V to 26.5V. A dedicated 12V version (LTC4218-12) contains preset 12V specifi c thresholds, while the standard LTC4218 allows adjustable thresholds.

The LTC4218 provides an accurate (5%) current limit with current foldback limiting. The current limit threshold can be adjusted dynamically using an external pin. Additional features of LTC4218 include a current monitor output that amplifi es the sense voltage for ground referenced current sensing. Overvoltage, undervoltage and powergood monitoring are also provided.




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