MIC2588 Datasheet, PDF (9/14 Pages) Micrel Semiconductor – Single-Channel, Negative High-Voltage Hot Swap Power Controllers

MIC2588/MIC2594
Functional Diagram
VDD
Internal VDD
and
Reference
Generator
V_DD1
V_REF1
SENSE
VEE
+
–
50mV
Current
Limit
State
Nuisance
Trip Filter
(400µs)
Micrel
V_DD1
45µA
GATE
V_EE
V_DD1
100µA
V_EE
PWRGD
UV
–
+
V_TH(UV/OV)
–
OV
+
Logic +
Circuit
Breaker
V_EE
EN
V_EE
/PWRGD
MIC2588 Block Diagram
Internal
PG
6V
Clamp
V_PGTH
For Power Good circuitry only
denotes -2 option
DRAIN
December 2003
9
M9999-122303