LTC4257CDD#TRPBF - Brand New Analog Devices / Linear Technology Power Over Ethernet Controllers
In Stock:2500 ,Ready for Immediate Shipping
New
RoSH Lead free
In Stock:
2500,
Ready for Immediate Shipping
Category:Power Over Ethernet Controllers
Chipdatas Part No.:CD92-LTC4257CDD#TRPBF
Manufacturer Part No.:LTC4257CDD#TRPBF
Datecode:09+
Package:8-WFDFN Exposed Pad
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Description
The LTC4257CDD#TRPBF is a Power Over Ethernet Controller, specifically the LTC4252 negative voltage Hot SwapTM controller. This component enables safe board insertion and removal from a live backplane, with output current controlled by various stages of current limiting.
Specifications and features
- Allows Safe Board Insertion and Removal from a Live –48V Backplane
- Floating Topology Permits Very High Voltage Operation
- Programmable Analog Current Limit With Circuit Breaker Timer
- Fast Response Time Limits Peak Fault Current
- Programmable Soft-Start Current Limit
- Programmable Timer with Drain Voltage Accelerated Response
- ±1% Undervoltage/Overvoltage Threshold Accuracy (LTC4252A)
- Adjustable Undervoltage/Overvoltage Protection
- LTC4252-1/LTC4252A-1: Latch Off After Fault
- LTC4252-2: Automatic Retry After Fault
- Available in 8-Pin and 10-Pin MSOP Packages
Application Scenarios
The LTC4257CDD#TRPBF has a variety of applications, including hot board insertion, electronic circuit breaker, -48V distributed power systems, negative power supply control, central office switching, high availability servers, and ATCA.
Comparison
Advantages- Allows for safe board insertion and removal from a live backplane
- Floating topology allows for very high voltage operation
- Programmable current limits and adjustable undervoltage/overvoltage protection
- Fast response time limits peak fault current
Disadvantages- Not suitable for all applications as it is designed specifically for use in Power Over Ethernet Controllers
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Datasheet
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Shopping guide
Delivery period:
- - Will ship out in 2-3 days
- - DHL Express: 3-7 business days
- - DHL eCommerce: 12-22 business days
- - FedEx International Priority: 3-7 business days
- - EMS: 10-15 business days
Shipping fee:
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Shipping option:
DHL, FedEx, EMS, SF Express, and Registered Air MailShipping tracking:
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How to Buy:
- - In-stock, Add to cart > Check out > Submit order > Complete payment >Delivery.
- - Inquiry, Add to inquiry sheet/Submit bom/inquire file/Send email us > Quote > Place order > Complete payment >Delivery.
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Payment:
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Additional Information
- Datasheet: Download LTC4257CDD#TRPBF
- Chipdatas Part: CD92-LTC4257CDD#TRPBF
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/13 19:09 +0800
Refund
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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Payment Method
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The fee is charged according to the rule of PayPal.
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Western Union charge US$0.00 banking fee.
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We recommend to use bank transfer for large orders to save on handling fees.
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