LTC4251CS6#TRPBF

Hot SwapTM controller, 10MSOP, –0.3V to 20V, Adjustable Current Limit

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Price:: US $1.15~2.82 / piece [Get Latest Price]

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	US $1.15~2.82

PartNumber:: LTC4251CS6#TRPBF

Brand:: Linear Technology - Linear | Pack: SOT | D/C: 11+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-10-09

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Part Number:LTC4251CS6#TRPBF
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Product Summary

The LTC4251CS6#TRPBF positive voltage Hot SwapTM controller allows a board to be safely inserted and removed from a live AMC or MicroTCA backplane. It controls the main 12V supply with an external N-channel MOSFET and the 3.3V auxiliary supply with an integrated switch. The 12V output ramp rate of LTC4251CS6#TRPBF is adjustable and includes inrush current limiting. The 12V output is also protected against short circuit faults with a fast acting current limit and a 5% accurate timed circuit breaker. The 3.3V output includes both soft start and overcurrent protection. The applications of the LTC4251CS6#TRPBF include Advanced Mezzanine Card, MicroTCA Systems, Workstations and Server I/O, Telecom Networks.

Parametrics

LTC4251CS6#TRPBF absolute maximum ratings: (1)Supply Voltages: 12VIN: –0.3V to 20V, AUXIN: –0.3V to 10V, VCC: –0.3V to 7V; (2)Input Voltages: 12ON, AUXON, EN: –0.3V to 7V, TIMER: –0.3V to VCC + 0.3V, 12VSENSE: –0.3V to 20V; (3)Operating Temperature Range: 0℃ to 70℃; (4)Storage Temperature Range: GN Package: –65℃ to 150℃, DHD Package: –65℃ to 125℃; (5)Lead Temperature (Soldering, 10sec): GN Package: 300℃.

Features

LTC4251CS6#TRPBF features: (1)Allows Safe Insertion into Live AMC or MicroTCA Backplane; (2)Controls 12V Main and 3.3V Auxiliary Supplies; (3)Limits Peak Fault Current in ≤1μs; (4)Adjustable Current Limit with Circuit Breaker; (5)Integrated 0.3Ω AUX Switch; (6)High Side Current Sense; (7)Gate Drive for External N-Channel MOSFET; (8)Adjustable Response Time for Overcurrent Protection; (9)Adjustable Supply Voltage Power-Up Rate; (10)Thermal Shutdown Protection; (11)LTC4223-1: Latch Off After Fault; (12)LTC4223-2: Automatic Retry After Fault; (13)16-Lead SSOP and 5mm × 4mm DFN Packages.