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MIC2589 Datasheet, PDF (9/17 Pages) Micrel Semiconductor – SINGLE-CHANNEL NEGATIVE HIGH VOLTAGE HOT SWAP POWER CONTROLLERS/SEQUENCERS
MIC2589/2595
VUV
VGATE
1.223V
tUVPHL
tUVPLH
1.243V
1V
1V
Figure 4. MIC2589/89R Undervoltage Response
VOFF
1.223V
VGATE
tOFFHL
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
PWRGD
Outputs
VEE
VPGTH
tPGLH1
VPGTH
tPGHL1
PWRGDx not asserted
PWRGDx asserted - High Impedance
VPWRGD — VDRAIN = 0V
PWRGD1
VEE
PWRGD2 PWRGD3
PWRGDx not asserted
VPWRGD — VDRAIN = 0V
MIC2589/95-2
VDRAIN
VEE
/PWRGD
Outputs
VEE
VPGTH
tPGHL2
VPGTH
tPGLH2
/PWRGD1 /PWRGD2 /PWRGD3
Figure 6. DRAIN to Power-Good Response
Micrel
March 2004
9
M9999-031504