LAN9313 Datasheet, PDF (387/398 Pages) SMSC Corporation – Three Port 10/100 Managed Ethernet Switch with MII

Three Port 10/100 Managed Ethernet Switch with MII
Datasheet
14.3 Power Consumption
This section details the power consumption of the LAN9313/LAN9313i. Power consumption values are
provided for both the device-only, and for the device plus the Ethernet components on ports 1 and 2.
Table 14.1 Supply and Current (10BASE-T Full-Duplex)
PARAMETER
Supply current at 3.3V
(VDD33A1, VDD33A2, VDD33BIAS, VDD33IO)
Power Dissipation (Device Only)
Power Dissipation (Device and Ethernet components)
Ambient Operating Temperature in Still Air (T_A)
TYPICAL
(@ 3.3V)
135
445
1140
25
MAXIMUM
(@ 3.6V)
155
565
1330
Note 14.5
UNIT
mA
mW
mW
o_C
Table 14.2 Supply and Current (100BASE-TX Full-Duplex)
PARAMETER
Supply current
(VDD33A1, VDD33A2, VDD33BIAS, VDD33IO)
Power Dissipation (Device Only)
Power Dissipation (Device and Ethernet components)
Ambient Operating Temperature in Still Air (T_A)
TYPICAL
(@ 3.3V)
230
760
1045
25
MAXIMUM
(@ 3.6V)
270
980
1295
Note 14.5
UNIT
mA
mW
mW
o_C
Note 14.5 Over the conditions specified in Section 14.2, "Operating Conditions**".
Note: Power dissipation is determined by operating frequency, temperature, and supply voltage, as
well as external source/sink current requirements.
SMSC LAN9313/LAN9313i
387
DATASHEET
Revision 1.2 (04-08-08)