MIC2584_05 Datasheet, PDF (14/28 Pages) Micrel Semiconductor – Dual-Channel Hot Swap Controller/Sequencer

MIC2584/2585
Functional Diagram
Micrel
MIC2585-J
23 (15)
SENSE1
+
VCC1 ^{24 (16)}
–
SENSE2
2 (2)
VCC2
1 (1)
50mV
+
–
50mV
+
–
100mV
+
V_CC1
–
2.5µA
100mV
I_TMR
+
CFILTER
11 (8)
+
V_REF
–
2.5µA
Charge
Pump
1
10V
Charge
Pump
2
10V
Up & Down
Tracking
UVLO2
0.8V
UVLO1
2.165V
Logic
GND
FB1
13 (9)
18 (12)
+
V_REF
–
FB2
7 (5)
+
0.8V
–
CDLY
12
+
V_CC1 V_REF
–
2.5µA
I_CPOR
CPOR
10 (7)
+
0.3V
–
+
V_REF
–
Glitch
Filter
Glitch
Filter
ON
8 (6)
+
V_REF
–
1.235V
Reference
Pin numbers for MIC2584 are in parenthesis ( ) where applicable
22 (14)
21V
GATE1
3 (3)
21V
GATE2
20 (13)
5 (4)
19
OUT1
OUT2
DIS1
6
DIS2
V_CC1
20µA
V_CC1
14 (10) _/FAULT
20µA
V_CC1
15 (11)
/POR
20µA
17
V_CC1
PG1
20µA
16
PG2
0.3V
V_REF
0.8V
9
TRK
21
OV1
4
OV2
MIC2584/2585
14
March 2005