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NCP1081DER2G

Power Over Ethernet (POE) Controller, 57 V, 500 kHz Switch/Clock, 38 V UVLO Threshold, TSSOP-20

ON SEMICONDUCTOR NCP1081DER2G

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Manufacturer Part No:
NCP1081DER2G
Order Code:
1924932
Technical Datasheet:
NCP1081DER2G   Datasheet
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Product Overview

The NCP1081DER2G is an integrated high power PoE-PD Interface and DC to DC Converter Controller offers new opportunities for the design of products powered directly over Ethernet lines, eliminating the need for local power adaptors or power supplies and drastically reducing the overall installation and maintenance cost. ON Semiconductor's unique manufacturing process and design enhancements allow the NCP1081 to deliver up to 25.5W for the draft IEEE802.3at (D3.0) standard and up to 40W for proprietary high power PoE applications. It enables the draft IEEE802.3at (D3.0) and implements a two event physical layer classification. Additional proprietary classification procedures support high power sourcing equipment (PSE) on the market. The unique high power features leverage the significant cost advantages of PoE-enabled systems to a much broader spectrum of products in emerging markets.
  • High power Layer 1 classification indicator
  • Extended power ranges up to 40W
  • Programmable classification current
  • Adjustable under voltage lock out
  • Programmable inrush current limit
  • Programmable operational current limit up to 1100mA for extended power ranges
  • Over-temperature protection
  • Internal voltage regulators
  • Wide duty cycle range with internal slope compensation circuitry
  • Programmable oscillator frequency
  • Programmable soft-start time

Applications

Power Management

Product Information

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:
IEEE 802.3af, 802.3at

:
PD Controller

:
57V

:
-

:
38V

:
TSSOP

:
20Pins

:
1Channels

:
40W

:
80%

:
500kHz

:
-40°C

:
85°C

:
-

:
MSL 2A - 4 weeks
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Technical Docs (1)

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