SMSC LAN9420 Manual De Usuario
Single-Chip Ethernet Controller with HP Auto-MDIX Support and PCI Interface
Datasheet
Revision 1.22 (09-25-08)
158
SMSC LAN9420/LAN9420i
DATASHEET
5.3.4
D3 - PHY in General Power Down Mode
5.3.5
Maximum Power Consumption
Note 5.5
Note: Power dissipation is determined by temperature, supply voltage, as well as external source/sink
current requirements.
Table 5.4 D3 - PHY in General Power Down Mode - Supply and Current (Typical)
PARAMETER
TYPICAL
(@ 3.3V)
UNIT
100BASE-TX Full Duplex
Supply current (VDD33IO, VDD33BIAS, VDD33A)
6
mA
Power Dissipation (Device Only)
19
mW
Power Dissipation (Device and Ethernet components)
19
mW
Ambient Operating Temperature in Still Air (T
A
)
25
o
C
10BASE-T Full Duplex
Supply current (VDD33IO, VDD33BIAS, VDD33A)
6
mA
Power Dissipation (Device Only)
19
mW
Power Dissipation (Device and Ethernet components)
19
mW
Ambient Operating Temperature in Still Air (T
A
)
25
o
C
Table 5.5 Maximum Power Consumption - Supply and Current (Maximum)
PARAMETER
MAXIMUM
(@ 3.6V)
UNIT
100BASE-TX Full Duplex
Supply current (VDD33IO, VDD33BIAS, VDD33A)
145
mA
Power Dissipation (Device Only)
530
mW
Power Dissipation (Device and Ethernet components)
690
mW
Ambient Operating Temperature in Still Air (T
A
)
o
C
10BASE-T Full Duplex
Supply current (VDD33IO, VDD33BIAS, VDD33A)
85
mA
Power Dissipation (Device Only)
310
mW
Power Dissipation (Device and Ethernet components)
700
mW
Ambient Operating Temperature in Still Air (T
A
)
o
C