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LAN8820 Datasheet(PDF) 61 Page - Microchip Technology

Part # LAN8820
Description  RGMII 10/100/1000 Ethernet Transceiver
PDF  83 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN8820 Datasheet(HTML) 61 Page - Microchip Technology

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 2009-2015 Microchip Technology Inc.
DS00001871B-page 61
LAN8820/LAN8820I
5.3
Power Consumption
This section details the power consumption of the device as measured during various modes of operation. Power con-
sumption values are provided for both the device-only, and for the device plus Ethernet components. Power dissipation
is impacted by temperature, supply voltage, and external source/sink requirements. All measurements were taken at
+25
C.
TABLE 5-1:
POWER CONSUMPTION - 1000BASE-T LINKED
Parameter
Typical
Unit
Supply Current (VDD25IO) (@ +2.5V)
15
mA
Supply Current (VDD12CORE, VDD12BIAS, VDD12PLL, VDD12A) (@ +1.2V)
460
mA
External Magnetics Current (@ +2.5V)
197
mA
Total Power Dissipation (Device Only)
589
mW
Total Power Dissipation (Device and Ethernet components)
1081
mW
TABLE 5-2:
POWER CONSUMPTION - 100BASE-TX LINKED
Parameter
Typical
Unit
Supply Current (VDD25IO) (@ +2.5V)
5
mA
Supply Current (VDD12CORE, VDD12BIAS, VDD12PLL, VDD12A) (@ +1.2V)
85
mA
External Magnetics Current (@ +2.5V)
57
mA
Total Power Dissipation (Device Only)
115
mW
Total Power Dissipation (Device and Ethernet components)
258
mW
TABLE 5-3:
POWER CONSUMPTION - 10BASE-T LINKED
Parameter
Typical
Unit
Supply Current (VDD25IO) (@ +2.5V)
4
mA
Supply Current (VDD12CORE, VDD12BIAS, VDD12PLL, VDD12A) (@ +1.2V)
33
mA
External Magnetics Current (@ +2.5V)
118
mA
Total Power Dissipation (Device Only)
49
mW
Total Power Dissipation (Device and Ethernet components)
344
mW



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