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MIC2584 Datasheet(PDF) 2 Page - Micrel Semiconductor

Part # MIC2584
Description  Dual-Channel Hot Swap Controller/Sequencer
PDF  28 Pages
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Manufacturer  MICREL [Micrel Semiconductor]
Direct Link  http://www.micrel.com
Logo MICREL - Micrel Semiconductor

MIC2584 Datasheet(HTML) 2 Page - Micrel Semiconductor

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MIC2584/2585
Micrel
MIC2584/2585
2
March 2005
Typical Application
*C5
0.047
µF
D2
R6
130k
Ω
1%
R8
30.9k
Ω
1%
R9
8.06k
Ω
1%
R7
13k
Ω
1%
R3
47k
Ω
R4
22k
Ω
R2
10
Ω
R5
22k
Ω
VCC1
12V
VCC2
3.3V
GND
PCB EDGE
CONNECTOR
**BZX84Cxx
BACKPLANE
CONNECTOR
DOWNSTREAM
CONTROLLER(S)
Downstream Control Signals
SENSE2
VCC2
RSENSE2
0.020
Ω
12
34
12
SENSE1
VCC1
RSENSE1
0.006
Ω
12
34
24
23
C3
0.01
µF
Q2
Si7892DP
(PowerPAK™ SO-8)
CLOAD1
330
µF
VOUT1
12V
6A
VOUT2
3.3V
1.5A
CLOAD2
330
µF
C4
0.01
µF
Q1
Si7892DP
(PowerPAK™ SO-8)
C7
0.033
µF
C6
0.02
µF
CPOR
CFILTER
GND
3
22
5
6
7
20
18
19
17
16
15
11
TRK
9
13
10
GATE2
GATE1
OUT2
DIS2
DIS1
FB2
FB1
/POR
PG2
PG1
OUT1
CDLY
12
/FAULT
14
OV1
21
OV2
4
ON
8
Undervoltage (Output1) = 10.5V
Undervoltage (Output2) = 2.95V
Overvoltage (Input1) = 13.2V
Overvoltage (Input2) = 3.65V
START-UP Delay = 2.5ms
POR Delay = 10ms
Circuit Breaker Response Time = 16ms
*C5 (optional) is used to set the delay for VOUT2 with respect to VOUT1
VOUT2 Delay = 9.5ms
**D1 is BZX84C18 and D2 is BZX84C8V2
Resistor tolerances are 5% unless specified otherwise.
C2
0.47
µF
R11
120
Ω
R15
4.42k
Ω
1%
R13
14.7k
Ω
1%
R10
560
Ω
R12
105k
Ω
1%
R14
10.7k
Ω
1%
D1
R1
10
Ω
C1
0.47
µF
/FAULT
Signal
MIC2585-1
Figure 1. Typical Application Circuit



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