LAN8742AI-CZ datasheet(104/124 Pages) MICROCHIP

부품명	LAN8742Ai-CZ

상세설명	Small Footprint RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR짰 Technology

PDF	124 Pages

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제조업체	MICROCHIP [Microchip Technology]

홈페이지	http://www.microchip.com

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104 / 124 page

LAN8742A/LAN8742Ai

DS00001989A-page 104

 2013-2015 Microchip Technology Inc.

5.4

Power Consumption

This section details the device power measurements taken over various operating conditions. Unless otherwise noted,

all measurements were taken with power supplies at nominal values (VDDIO, VDD1A, VDD2A = 3.3 V, VDDCR = 1.2 V).

See Section 3.8.3, "Power-Down Modes" for a description of the power down modes.

5.4.1

REF_CLK IN MODE

5.4.1.1

Regulator Disabled

5.4.1.2

Regulator Enabled

TABLE 5-2:

CURRENT CONSUMPTION AND POWER DISSIPATION (REF_CLK IN, REG.

DISABLED)

Power Pin Group

3.3 V Device

Current (mA)

1.2 V Device

Current (mA)

3.3 V Device

Current w/

Magnetics

(mA)

Total Device

Power (mW)

nRESET

Typical

9.8

100BASE-TX /W TRAFFIC

Typical

124

10BASE-T /W TRAFFIC

Typical

114

ENERGY DETECT

POWER DOWN

Typical

4.6

2.1

4.6

GENERAL POWER DOWN

Typical

0.8

1.9

0.7

5.3

TABLE 5-3:

CURRENT CONSUMPTION AND POWER DISSIPATION (REF_CLK IN, REG.

ENABLED)

Power Pin Group

Device Current (mA)

Device Current w/

Magnetics (mA)

Total Device Power

(mW)

nRESET

Typical

100BASE-TX /W TRAFFIC

Typical

163

10BASE-T /W TRAFFIC

Typical

129

ENERGY DETECT

POWER DOWN

Typical

6.8

6.9

GENERAL POWER DOWN

Typical

3.5

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