LAN9420 Datasheet, PDF (157/171 Pages) SMSC Corporation – Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface

Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
5.3
Power Consumption
This section details the power consumption of LAN9420/LAN9420i as measured during various modes
of operation. Power consumption values are provided for both the device-only, and for the device plus
Ethernet components.
Note: Power dissipation is determined by operating frequency, temperature, and supply voltage, as
well as external source/sink requirements.
5.3.1 D0 - Normal Operation with Ethernet Traffic
Table 5.1 D0 - Normal Operation - Supply and Current (Typical)
PARAMETER
100BASE-TX Full Duplex
Supply current (VDD33IO, VDD33BIAS, VDD33A)
Power Dissipation (Device Only)
Power Dissipation (Device and Ethernet components)
Ambient Operating Temperature in Still Air (T_A)
10BASE-T Full Duplex
Supply current (VDD33IO, VDD33BIAS, VDD33A)
Power Dissipation (Device Only)
Power Dissipation (Device and Ethernet components)
Ambient Operating Temperature in Still Air (T_A)
TYPICAL
(@ 3.3V)
125
415
560
25
80
265
615
25
UNIT
mA
mW
mW
o_C
mA
mW
mW
o_C
SMSC LAN9420/LAN9420i
157
DATASHEET
Revision 1.6 (07-18-11)