MIC2589 Micrel Semiconductor, MIC2589 Datasheet - Page 9

• Manufacturer Part Number: MIC2589
• Description: (MIC2589 / MIC2595) SINGLE-CHANNEL NEGATIVE HIGH VOLTAGE HOT SWAP POWER CONTROLLERS/SEQUENCERS
• Manufacturer: Micrel Semiconductor

March 2004
MIC2589/2595
/PWRGD
PWRGD
Outputs
Outputs
V
V
DRAIN
DRAIN
MIC2589/95-1
MIC2589/95-2
V
V
V
GATE
GATE
V
OFF
ON
V
V
GATE
PWRGDx not asserted
V
V
V
V
UV
PWRGD
EE
EE
EE
Figure 5a. MIC2595/95R OFF to GATE Drive Response
Figure 5b. MIC2595/95R ON to GATE Drive Response
— V
Figure 4. MIC2589/89R Undervoltage Response
1.223V
DRAIN
Figure 6. DRAIN to Power-Good Response
= 0V
1V
PWRGD1
/PWRGD1
V
V
PGTH
PGTH
t
t
UVPHL
PGLH1
PWRGDx asserted - High Impedance
t
PGHL2
1.223V
1.223V
PWRGD2
/PWRGD2
9
1V
1V
V
/PWRGD3
EE
PWRGD3
t
t
OFFHL
ONLH
t
UVPLH
t
t
V
PGHL1
V
PGLH2
PGTH
PGTH
1.243V
1V
PWRGDx not asserted
V
PWRGD
— V
DRAIN
= 0V
M9999-031504
Micrel