Intel 82540EP manual Power Specifications D3cold, Power Specifications Dr Uninitialized

Networking Silicon — 82540EP

Table 5. Power Specifications - D3cold

			D3cold - wake-up enabled					D3cold - wake		D3cold - wake
								disabled - max		disabled - max
								power savings		power savings
	unplugged/no link			@10 Mbps		@100Mbps		mode disabled		mode enableda
	TypIcc	MaxIcc		Typ Icc	Max Icc	Typ Icc	MaxIcc	Typ Icc	MaxIcc	Typ Icc	MaxIcc
	(mA)	(mA)		(mA)	(mA)	(mA)	(mA)	(mA)	(mA)	(mA)	(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	240 mW			300 mW		385 mW		195 mW		20 mW
Power

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	Max Icc
	(mA)	(mA)
3.3V	40	45
2.5V	40	45
1.5V	190	200
Total Device	520 mW
Power

Table 7. Power Specifications - Complete Subsystem

Complete Subsystem (Reference Design)

Including Magnetics, LED, Regulator Circuits

D3cold - wake								D3cold - wake
disabled - max		D3cold wake-		D3cold wake-		D0 @1000Mbps		disabled - max
power savings		enabled @10Mbps		enabled @100Mbps			active	power savings
mode disabled								mode enabled
TypIcc	MaxIcc	Typ Icc	MaxIcc	Typ Icc	MaxIcc	Typ	Max Icc	TypIcc	Max Icc
						Icc
(mA)	(mA)	(mA)	(mA)	(mA)	(mA)		(mA)	(mA)	(mA)
						(mA)

3.3V

40

40

60

60

60

60

130

130

6

8

Datasheet 19