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Networking Silicon — 82540EP
Datasheet 19
Table 5. Power Specifications - D3cold
D3cold - wake-up enabled
D3cold - wake
disabled - max
power savings
mode disabled
D3cold - wake
disabled - max
power savings
mode enabled
a
unplugged/no link @10 Mbps @100Mbps
Ty p I c c
(mA)
Max Icc
(mA)
T y p Icc
(mA)
Max Icc
(mA)
Typ Icc
(mA)
Max Icc
(mA)
T y p I cc
(mA)
Ma x Icc
(mA)
Typ Icc
(mA)
Max Icc
(mA)
3.3V
40 40 55 55 50 50 40 40 6 8
2.5V 20 20 30 30 55 55 20 20 0.1 0.1
1.5V 40 40 30 35 55 60 10 10 1 1
Total
Device
Power
240 mW 300 mW 385 mW 195 mW 20 mW
a. Special Note: To obtain the benefit of max power savings mode, do not use the internal voltage regulator control circuit and external pass transis-
tors. Use external switching regulators for highest efficiency.
Table 6. Power Specifications D(r) Uninitialized
D(r) Uninitialized
(LAN_PWR_GOOD=0)
Typ Icc
(mA)
Max Icc
(mA)
3.3V
40 45
2.5V 40 45
1.5V 190 200
Total Device
Power
520 mW
Table 7. Power Specifications - Complete Subsystem
Complete Subsystem (Reference Design)
Including Magnetics, LED, Regulator Circuits
D3cold - wake
disabled - max
power savings
mode disabled
D3cold wake-
enabled @10Mbps
D3cold wake-
enabled @100Mbps
D0 @1000Mbps
active
D3cold - wake
disabled - max
power savings
mode enabled
Typ I cc
(mA)
Max Icc
(mA)
Typ Icc
(mA)
Max Icc
(mA)
Typ Icc
(mA)
Max Icc
(mA)
Typ
Icc
(mA)
Max Icc
(mA)
T y p Ic c
(mA)
Max Icc
(mA)
3.3V
40 40 60 60 60 60 130 130 6 8