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ANALOG DEVICES LTC4266CIUHF#PBF
POE IC, PSE Controller, 57 V Input, 1 MHz, 4 Channels, 13 W, 25 V UVLO, -40 to 85 °C, QFN-EP-38
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC4266CIUHF#PBF
- Order Code:
- 4026174
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- Technical Datasheet:
- LTC4266CIUHF#PBF Datasheet
- ECAD / MCAD
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Product Overview
LTC4266C is a quad power sourcing equipment (PSE) controller capable of delivering up to 90W of LTPoE++ power to a compatible LTPoE++ powered device (PD). A proprietary detection/classification scheme allows mutual identification between an LTPoE++ PSE and LTPoE++ PD while remaining compatible and interoperable with existing Type 1 (13W) and Type 2 (25.5W) PDs. This feature set is a superset of the popular LTC4266. These PSE controllers feature low RON external MOSFETs and 0.25ohm sense resistors which are especially important at the LTPoE++ current levels to maintain the lowest possible heat dissipation. Application includes LTPoE++ PSE switches/routers, LTPoE++ PSE midspans, IEEE 802.3at Type 1 PSE switches/routers, IEEE 802.3at type 1 PSE midspans.
- Four independent PSE channels
- Low power dissipation
- High capacitance legacy device detection
- Midspan backoff timer
- Main PoE supply voltage range from 45 to 57V (For IEEE type 1 compliant output, TA = 25°C)
- Classification voltage range from 16 to 20.5V (AGND – VOUTn, 0mA ≤ ICLASS ≤ 50mA, TA = 25°C)
- Typical short-circuit sense is 200mV (VSENSEn – VEE – VLIM, rdis = 0, TA = 25°C)
- Typical resolution is 14bits (no missing codes, fast-iv = 0, TA = 25°C)
- 38-lead plastic QFN package
- Temperature rating range from -40°C to 85°C
Footnotes
ADI products are only authorized (and sold) for use by the customer and are not to be resold or otherwise passed on to any third party
Product Information
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- IEEE 802.3af, 802.3at
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- PSE Controller
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- 57V
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- -
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- 25V
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- QFN-EP
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- 38Pins
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- 4Channels
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- 13W
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- 6.3%
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- 1MHz
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- Surface Mount
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- -40°C
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- 85°C
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- -
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- MSL 1 - Unlimited
Technical Documents (2)
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43 deliver in 3-4 business days from our UK warehouse
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