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ADI LTC4227CUFD-1#TRPBF product image
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ADI LTC4227CUFD-1#TRPBFRoHS

Manufacturer
ADI
MPN
LTC4227CUFD-1#TRPBF
LCSC Part #
C687568
Packaging
QFN-20(4x5)
Customer #
Key Attributes
1 2.9V~18V QFN-20(4x5) Hot Swap Controllers RoHS
Datasheetpdf iconADI LTC4227CUFD-1#TRPBF
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QtyUnit Price(Reference Only)Total Amount
1+$ 6.2712$ 6.27
200+$ 2.4279$ 485.58
500+$ 2.343$ 1171.50
1,000+$ 2.2998$ 2299.80
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/Hot Swap Controllers
ManufacturerADI
PackagingQFN-20(4x5)
Operating Temperature Range0℃~+70℃
Length5mm
Height0.75mm
Width4mm
Features-
Number of Channels1
Voltage Rating2.9V~18V
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Introduction

AI Translation

The LTC4227 offers ideal diode-OR and Hot Swap functions for two power rails by controlling external N-channel MOSFETs. MOSFETs acting as ideal diodes replace two high power Schottky diodes and the associated heat sinks, saving power and board area. A Hot Swap control MOSFET allows a board to be safely inserted and removed from a live backplane by limiting inrush current. The supply output is also protected against short-circuit faults with a fast acting current limit and internal timed circuit breaker. The LTC4227 regulates the forward voltage drop across the MOSFETs to ensure smooth current transfer from one supply to the other without oscillation. The ideal diodes turn on quickly to reduce the load voltage droop during supply switchover. If the input supply fails or is shorted, a fast turn-off minimizes reverse-current transients. The LTC4227 allows turn-on/off control, and reports fault and power good status for the supply.

Features

AI Translation
  • Power Path and Inrush Current Control for Redundant Supplies
  • Low Loss Replacement for Power Schottky Diodes
  • Allows Safe Hot Swapping from a Live Backplane
  • 2.9V to 18V Operating Range
  • Controls N-Channel MOSFETs
  • Limits Peak Fault Current in ≤1µs
  • 0.5µs Ideal Diode Turn-On and Reverse Turn-Off Time
  • Adjustable Current Limit with Circuit Breaker
  • Smooth Switchover without Oscillation
  • Adjustable Current Limit Fault Delay
  • Fault and Power Status Output
  • 20-Lead 4mm × 5mm QFN and 16-Lead SSOP Packages

Applications

AI Translation
  • Redundant Power Supplies and Supply Holdup
  • Computer Systems and Servers
  • Telecom Networks