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ANALOG DEVICES LTC4267IGN-1#PBF
POE IC, PD Controller, -57 V Input, 200 kHz, 1 Channel, 13 W, -31.5 V UVLO, -40 to 85 °C, NSSOP-16
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC4267IGN-1#PBF
- Order Code:
- 4026186
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- Technical Datasheet:
- LTC4267IGN-1#PBF Datasheet
- ECAD / MCAD
-
Product Overview
LTC4267-1 is a IEEE 802.3af compliant powered device (PD) interface with a current mode switching regulator, providing a complete power solution for PD applications. It integrates the 25K signature resistor, classification current source, thermal overload protection, signature disable and power good signal along with an undervoltage lockout optimized for use with the IEEE-required diode bridge. It provides an increased operational current limit, maximizing power available for class 3 applications. The current mode switching regulator is designed for driving a 6V rated N-channel MOSFET and features programmable slope compensation, soft-start, and constant frequency operation, minimizing noise even with light loads. It includes an onboard error amplifier and voltage reference allowing use in both isolated and non-isolated configurations. It is used in applications such as IP phone power management, wireless access points, security cameras, power over ethernet.
- Onboard 100V, UVLO switch
- Precision dual level inrush current limit
- Integrated current mode switching regulator
- Programmable classification current (class 0-4)
- Thermal overload protection, power good signal
- Integrated error amplifier and voltage reference
- On-resistance is 1 ohm typ at (I = 300mA, VPORTN = -48V, measured from VPORTN to POUT)
- Soft-start time is 1.4ms typical at (PVCC – PGND = 8V, TA = 25°C)
- Operating temperature range from -40°C to 85°C
- Package style is 16-lead narrow plastic SSOP
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
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- PD Controller
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- -57V
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- -
- :
- -31.5V
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- NSSOP
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- 16Pins
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- 1Channels
- :
- 13W
- :
- 80%
- :
- 330kHz
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- Surface Mount
- :
- -40°C
- :
- 85°C
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (2)
44 In stock
44 deliver in 3-4 business days from our UK warehouse :(UK stock) Order before 17:00 Mon-Fri (excluding National Holidays)
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You can reserve stock now just order your desired quantity and checkout as normal. The quantity that cant be dispatched now will be placed on back order and sent as soon as we get a delivery from our supplier. You only get charged when the products are dispatched to you.
200 more will be available on 4/3/25
Extra stock is available upon order to the Supplier Lead Time which is approximately 6/9/25
200 more will be available on 4/3/25
Reserving future stock
44 deliver in 3-4 business days from our UK warehouse
Due to market conditions delivery times are for general guidance only and may be subject to change at short notice
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