MIC2589 Micrel Semiconductor, MIC2589 Datasheet - Page 10

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

MIC2589/2595
Functional Diagram
M9999-031504
CFILTER
SENSE
CNLD
VDD
VEE
OV
UV
V
V
V
V
V
50mV
DD1
DD1
EE
EE
TH(UV/OV)
V
95 A
4 A
25 A
CFILTER
V
CNLD
+
+
+
+
Error
AMP
–
+
–
–
–
–
Internal VDD
Reference
Generator
and
V
REF
MIC2589 Block Diagram
V
V
DD1
REF
10
Breaker
Logic +
Circuit
Internal
EN
V
V
PG
DD1
EE
+
+
–
–
V
45 A
V
DD1
EE
For Power-Good circuitry only
V
V
+
–
TH(PG2)
TH(PG3)
V
V
V
denotes -2 option
PGTH
DD1
V
EE
EE
Clamp
45 A
V
100 A
6V
EE
March 2004
/PWRGD1
/PWRGD2
/PWRGD3
DRAIN
GATE
PWRGD1
PWRGD2
PWRGD3
PGTIMER
Micrel