MIC2010_05 Datasheet, PDF (9/13 Pages) Micrel Semiconductor – USB Power Controller

MIC2010/2070
Functional Characteristics
AUX Start-up by UVLO
V_AUX ramps from 0V to 5V
VER_{VNMLOMAAI=NAD I}=[=_NOS5N=C30]#_ΩVL=_=A0_UV_{1X 0=05µVF}
C_LOAD = 1µFR_L = 10Ω
TIME (500µs/div)
Main Start-up by UVLO
V_MAIN = V_AUX;V_MAIN & V_AUX ramp from 0V to 5V
S3# = 5V
EN = [ON]
R_LOAD = 10Ω
C_LOAD = 1µF
3.20V
TIME (500µs/div)
Main Turn-On Response
Micrel
AUX Shutdown by UVLO
2.96V
V_AUX ramps from 5V to 0V
V_MAIN = S3# = 0V
EN = [ON]
R_LOAD = 50Ω
C_LOAD = 1µF
V_MAIN = V_AUX = 5V
C_L = 100µF
R_L = 10Ω
TIME (10ms/div)
Main Shut-down by UVLO
2.96V
S3# = 5V
EN = [ON]
R_LOAD = 10‰
C_LOAD = 1 F
V_MAIN = V_AUX;V_MAIN & V_AUX ramp from 5V to 0V
TIME (10ms/div)
Main Turn-Off Response
V_MAIN = V_AUX =5V
S3# = 5V
EN toggles from [OFF] to [ON]
R_LOAD = 10Ω
C_LOAD = 1µF
TIME (250µs/div)
January 2005
9
V_MAIN = V_AUX =5V
S3# = 5V
EN toggles from [ON] to [OFF]
R_LOAD = 10Ω
C_LOAD = 1µF
TIME (100µs/div)
M9999-101104