VSC8601 Datasheet
Electrical Specifications
5.2.4
Consumption with No Link and ActiPHY Enabled
The following table shows the current consumption values with no link, ActiPHY
enabled, and the on-chip switching regulator enabled.
Table 61.
Current Consumption: No Link, ActiPHY Enabled, Regulator Enabled
Parameter
Symbol
IVDD33
Typical
21
Unit
mA
mA
mA
mA
mA
mA
mW
mW
Current with VDD33 at 3.3 V
Current with VDDREG
IVDDREG
21
Current with VDDIOMAC at 3.3 V
Current with VDDIOMAC at 2.5 V
Current with VDDIOMICRO at 3.3 V
Current with VDDIOMICRO at 2.5 V
Total power at 3.3 V
IVDDIOMAC
IVDDIOMAC
IVDDIOMICRO
IVDDIOMICRO
12
8
< 1
< 1
178
158
Total power at 2.5 V
The following table shows the current consumption values with no link, ActiPHY
enabled, and the on-chip switching regulator disabled.
Table 62.
Current Consumption: No Link, ActiPHY Enabled, Regulator Disabled
Parameter
Symbol
IVDD33
Typical
21
Unit
mA
mA
mA
mA
mA
mA
mA
mA
mW
mW
Current with VDD33 at 3.3 V
Current with VDDREG
IVDDREG
< 1
27
Current with VDD12 at 1.2 V
Current with VDD12A at 1.2 V
Current with VDDIOMAC at 3.3 V
Current with VDDIOMAC at 2.5 V
Current with VDDIOMICRO at 3.3 V
Current with VDDIOMICRO at 2.5 V
Total power at 3.3 V
IVDD12
IVDD12A
20
IVDDIOMAC
IVDDIOMAC
IVDDIOMICRO
IVDDIOMICRO
12
8
< 1
< 1
165
146
Total power at 2.5 V
5.2.5
Consumption with No Link and ActiPHY Disabled
The following table shows the current consumption values with no link, ActiPHY
disabled, and the on-chip switching regulator enabled.
Table 63.
Current Consumption: No Link, ActiPHY Disabled, Regulator Enabled
Parameter
Symbol
IVDD33
Typical
107
22
Unit
mA
mA
mA
mA
mA
Current with VDD33 at 3.3 V
Current with VDDREG
IVDDREG
Current with VDDIOMAC at 3.3 V
Current with VDDIOMAC at 2.5 V
Current with VDDIOMICRO at 3.3 V
IVDDIOMAC
IVDDIOMAC
IVDDIOMICRO
12
8
< 1
Revision 4.1
September 2009
Page 73
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
