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| MIC2012_05 Datasheet, PDF (11/16 Pages) Micrel Semiconductor – USB Power Controller | |||
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MIC2012
AUX Turn-On Response
VAUX =5V
VMAIN = S3# = 0V
EN toggles from [OFF] to [ON]
RLOAD = 50
CLOAD = 1F
TIME (100s/div)
Turn-On from S3# to AUX
Micrel
AUX Turn-Off Response
VAUX =5V
VMAIN = S3# = 0V
EN toggles from [ON] to [OFF]
RLOAD = 50
CLOAD = 1F
TIME (100s/div)
Turn-Off from AUX to S3#
VAUX =5V, VMAIN = 0V
EN = [ON]
S3# toggles from [HI] to [LOW]
RLOAD = 50
CLOAD = 1F
TIME (100s/div)
Main Inrush Current into CLOAD
VMAIN = VAUX = 5V
S3# = 5V
EN toggles from [OFF] to [ON]
RLOAD = OPEN
CLOAD = 10F, 100F, 560F
CL = 560F
CL = 100F
CL = 10F
TIME (500s/div)
VAUX =5V, VMAIN = 0V
S3# toggles from [LO] to [HI]
EN = [ON]
RLOAD = 50
CLOAD = 1F
TIME (1ms/div)
Main-Ramped to Short by MOSFET
VMAIN = VAUX =5V
S3# = 5V, EN = [ON]
CLOAD = 1F
1.4A
RLOAD toggles from > 1k to <0.5
TIME (50ms/div)
January 2005
11
MIC2012/2072
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