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ANALOG DEVICES LTC4263CDE#TRPBF
POE IC, PSE Controller, 48 V Input, 1 Channel, 12.95 W, 31 V UVLO, 0 to 70 °C, DFN-EP-14
- Manufacturer:
- ANALOG DEVICES ANALOG DEVICES
- Manufacturer Part No:
- LTC4263CDE#TRPBF
- Order Code:
- 4026161
-
- Technical Datasheet:
- LTC4263CDE#TRPBF Datasheet
- ECAD / MCAD
-
Product Overview
LTC®4263 is an autonomous single-channel PSE controller for use in IEEE 802.3af compliant power over Ethernet systems. It includes an on-board power MOSFET, internal inrush, current limit, and short-circuit control, IEEE 802.3af compliant PD detection and classification circuitry, and selectable AC or DC disconnect sensing. On-board control algorithms provide complete IEEE 802.3af compliant operation without the need of a microcontroller. The LTC4263 simplifies PSE implementation, needing only a single 48V supply and a small number of passive support components. The port current limit can be configured to automatically adjust to the detected PD class. Detection backoff timing is configurable for either Endpoint or Midspan operation. Built-in foldback and thermal protection provide comprehensive fault protection. Applications are single-port or multi-port power injectors, power forwarders, low-port count PSEs, environment B PSEs, standalone PSEs.
- VDD5 supply voltage is 5V typical (driven externally), supply current is 1mA typical at VDD5-VSS=5V
- Fully autonomous operation without microcontroller
- Internal MOSFET with thermal protection
- Power management works across multiple ports with simple RC network
- Precision inrush control with internal sense resistor, powered device detection and classification
- AC and DC disconnect sensing, robust short-circuit protection
- Pin-selectable detection backoff for midspan PSEs, classification dependent ICUT current threshold
- LED driver indicates port on and blinks status codes
- 14-lead (4mm × 3mm) plastic DFN package
- 0°C to 70°C temperature range
Product Information
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- :
- IEEE 802.3af
- :
- PSE Controller
- :
- 48V
- :
- 425mA
- :
- 31V
- :
- DFN-EP
- :
- 14Pins
- :
- 1Channels
- :
- 12.95W
- :
- -
- :
- 110Hz
- :
- 0°C
- :
- 70°C
- :
- -
- :
- MSL 1 - Unlimited
Technical Documents (1)
Packaging type
Cut Tape
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CNY63.14
( ex VAT )
CNY71.3482
( inc VAT )
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| 1+ | CNY63.14 CNY71.3482 | ( ) |
| 10+ | CNY57.03 CNY64.4439 | ( ) |
| 25+ | CNY54.38 CNY61.4494 | ( ) |
| 100+ | CNY47.22 CNY53.3586 | ( ) |
| 250+ | CNY45.10 CNY50.963 | ( ) |
| 500+ | CNY41.12 CNY46.4656 | ( ) |
| 2500+ | CNY35.81 CNY40.4653 | ( ) |
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