MIC2589/2595
Micrel
VUV
1.223V
1.243V
tUVPHL
tUVPLH
VGATE
1V
1V
Figure 4. MIC2589/89R Undervoltage Response
VOFF
1.223V
tOFFHL
VGATE
1V
Figure 5a. MIC2595/95R OFF to GATE Drive Response
1.223V
VON
tONLH
VGATE
1V
Figure 5b. MIC2595/95R ON to GATE Drive Response
MIC2589/95-1
VDRAIN
VPGTH
VPGTH
VEE
tPGLH1
tPGHL1
PWRGDx not asserted
VPWRGD — VDRAIN = 0V
PWRGDx asserted - High Impedance
PWRGDx not asserted
VPWRGD — VDRAIN = 0V
PWRGD
Outputs
VEE
PWRGD3
PWRGD1
PWRGD2
MIC2589/95-2
VDRAIN
VPGTH
VPGTH
tPGLH2
VEE
tPGHL2
/PWRGD
Outputs
VEE
/PWRGD1
/PWRGD2
/PWRGD3
Figure 6. DRAIN to Power-Good Response
March 2004
9
M9999-031504