ltc1421isw-trpbf Linear Technology Corporation, ltc1421isw-trpbf Datasheet - Page 7
![no-image](/images/manufacturer_photos/0/3/389/linear_technology_corporation_sml.jpg)
ltc1421isw-trpbf
Manufacturer Part Number
ltc1421isw-trpbf
Description
Hot Swap Controller
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC1421ISW-TRPBF.pdf
(24 pages)
- Current page: 7 of 24
- Download datasheet (325Kb)
BLOCK
SWITCHI G TI E WAVEFOR S
DISABLE
PWRGD
RESET
CPON
CON1
CON2
POR
24
12
Figure 1. Nominal Operation Switching Waveforms
9
4
1
2
3
5
AUXV
CPON
FAULT
CON1
CON2
POR
DISABLE
GND
t
DIAGRAM
1
CC
V
U
CC
V
CC
t
t
3
2
20 A
W
t
4
W
V
CC
23
V
50mV
CCLO
t
5
+
–
t
6
CP1
UNDERVOLTAGE
22
SETLO
LOCKOUT
W
t
7
DIGITAL CONTROL
50mV
1421 F01
+
–
19
V
CCHI
CP2
18
SETHI
V
AUXV
CCLO
CC
– SETLO
PWRGD
RESET
FAULT
CPON
POR
Figure 2. Fault Detection Switching
21
GATELO
REFERENCE
t
1.232V
t
10
9
LTC1421/LTC1421-2.5
CHARGE
PUMP
CP3
CP4
TIMING
RESET
10
RAMP
t
+
+
–
–
+
5
17
GATEHI V
N2
–
+
+
–
V
16
N1
TRIP
OUTHI
CP5
V
CC
20 A
20 A
V
CC
20
V
73.5k
26.7k
OUTLO
71.5k
COMPOUT
t
PWRGD
11
t
COMP
COMP
6
RESET
REF
FB
–
+
11
8
6
7
15
14
13
1421 BD
t
2
1421 F02
7
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