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LAN9220 Datasheet(PDF) 129 Page - Microchip Technology

Part # LAN9220
Description  16-bit Non-PCI Small Form Factor 10/100 Ethernet Controller with Variable Voltage I/O & HP Auto-MDIX Support
PDF  142 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN9220 Datasheet(HTML) 129 Page - Microchip Technology

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 2006-2017 Microchip Technology Inc.
DS00002417A-page 129
LAN9220
7.5
Worst Case Current Consumption
This section details the worst case current consumption for each device power supply. These values are provided to
assist system designers with proper power supply design. These values cannot be used to determine typical power con-
sumption of the device. The maximum supply current for each power supply is provided for the maximum VDDVARIO
voltage in all supported ranges as detailed in Table 7-3, Table 7-4, and Table 7-5.
Temperature: ................................................................................................................................................0oC to +70oC
Device VDD (VDDVARIO, VDD33REG, VDD33A): ........................................................................................... Note 7-6
Note 7-6
The device VDD voltage levels are indicated in the supply current tables below.
Note:
The current measurements listed below were taken under the following conditions:
Note:
Current consumption is determined by operating frequency, temperature, and supply voltage, as well as
external source/sink requirements.
TABLE 7-3:
MAXIMUM SUPPLY CURRENT CHARACTERISTICS VDDVARIO=3.3V + 300MV
Parameter
Supply Name
Supply Voltage
MAX Current
Units
Variable Voltage Supply Current
VDDVARIO
3.6V
12
mA
+3.3V Regulator Supply Current
VDD33REG
3.6V
85
mA
+3.3V Analog Supply Current
VDD33A
3.6V
48
mA
TABLE 7-4:
MAXIMUM SUPPLY CURRENT CHARACTERISTICS VDDVARIO=2.5V + 10%
Parameter
Supply Name
Supply Voltage
MAX Current
Units
Variable Voltage Supply Current
VDDVARIO
2.75V
9
mA
+3.3V Regulator Supply Current
VDD33REG
3.6V
85
mA
+3.3V Analog Supply Current
VDD33A
3.6V
48
mA
TABLE 7-5:
MAXIMUM SUPPLY CURRENT CHARACTERISTICS VDDVARIO=1.8V + 10%
Parameter
Supply Name
Supply Voltage
MAX Current
Units
Variable Voltage Supply Current
VDDVARIO
1.98V
7
mA
+3.3V Regulator Supply Current
VDD33REG
3.6V
85
mA
+3.3V Analog Supply Current
VDD33A
3.6V
48
mA
Note:
Above values do not include the supply current for the magnetics. Based on the recommended implemen-
tation, the maximum supply current needed for the magnetics is 108mA.



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