PM8803TR

PM8803TR

Active

PM8803

High-efficiency, IEEE 802.3at compliant integrated PoE-PD interface and PWM controller

ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack2
GradeIndustrial
Package NameHTSSOP20

The PM8803 integrates a Power over Ethernet (PoE) interface and a current mode PWM controller to simplify the design of the power supply sections of all powered devices. The PoE/PoE+ interface includes all functions required by the IEEE 802.3at as well as detection, classification, undervoltage...
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Key features
  • IEEE 802.3at compliant PD interface
  • Works with power supplied from Ethernet LAN cables or from local auxiliary sources
  • Successful IEEE802.3at Layer1 classification indicator
  • Integrated 100 V, 0.45 Ω, 1 A hot-swap MOSFET
  • Accurate 140 mA typ. inrush current level
  • Programmable classification current
  • Programmable DC current limit up to 1 A
  • Integrated high voltage start-up bias regulator
  • Thermal shutdown protection
  • Current mode pulse width modulator
  • Programmable oscillator frequency
  • 80% maximum duty cycle with internal slope compensation
  • Support for flyback, forward, forward active clamp, flyback with synchronous rectification
In stock
Quantity $ per unit Savings
1-9$3.440%
10-24$3.1110%
25-30$2.7321%
Contact sales
$3.44
$3.44
ECCN USEAR99
ECCN EUNEC
Packing TypeTube
RoHs compliantEcopack2
GradeIndustrial
Package NameHTSSOP20

The PM8803 integrates a Power over Ethernet (PoE) interface and a current mode PWM controller to simplify the design of the power supply sections of all powered devices. The PoE/PoE+ interface includes all functions required by the IEEE 802.3at as well as detection, classification, undervoltage...
Read More

Key features
  • IEEE 802.3at compliant PD interface
  • Works with power supplied from Ethernet LAN cables or from local auxiliary sources
  • Successful IEEE802.3at Layer1 classification indicator
  • Integrated 100 V, 0.45 Ω, 1 A hot-swap MOSFET
  • Accurate 140 mA typ. inrush current level
  • Programmable classification current
  • Programmable DC current limit up to 1 A
  • Integrated high voltage start-up bias regulator
  • Thermal shutdown protection
  • Current mode pulse width modulator
  • Programmable oscillator frequency
  • 80% maximum duty cycle with internal slope compensation
  • Support for flyback, forward, forward active clamp, flyback with synchronous rectification