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LTC4253IGN Datasheet(PDF) 32 Page - Linear Technology

Part # LTC4253IGN
Description  -48V Hot Swap Controller with Sequencer
PDF  32 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4253IGN Datasheet(HTML) 32 Page - Linear Technology

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LTC4253
32
4253f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 q FAX: (408) 434-0507 q www.linear.com
©LINEAR TECHNOLOGY CORPORATION 2002
LT/TP 0502 2K • PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1640AH/LT1640AL
Negative High Voltage Hot Swap Controller in SO-8
Negative High Voltage Supplies from -10V to -80V
LT1641/LT1641-1
Positive High Voltage Hot Swap Controller in SO-8
Supplies from 9V to 80V, Autoretry/Latched Off
LTC1642
Fault Protected Hot Swap Controller
3V to 16.5V, Overvoltage Protection up to 33V
LT4250
– 48V Hot Swap Controller
Active Current Limiting, Supplies from – 20V to – 80V
LTC4251/LTC4251-1
– 48V Hot Swap Controller in SOT-23
Fast Active Current Limiting, Supplies from – 15V
LTC4252-1/LTC4252-2
– 48V Hot Swap Controller in MS8/MS10
Fast Active Current Limiting, Supplies from – 15V,
Drain Accelerated Response
TYPICAL APPLICATIO
R4
5.6k
R3
5.6k
R5
5.6k
PWRGD1
VIN
VIN
VEE
LTC4253
POWER
MODULE 1
PWRGD2
PWRGD3
EN3
EN2
OV
UV
RESET
DRAIN
SS
GATE
SQTIMER
SENSE
TIMER
EN
POWER
MODULE 2
EN
POWER
MODULE 3
EN
RIN
2.8k
16k(1/4W)/6
PUSH
RESET
11
3
4
12
2
516
15
1
EN3
4253 F18
EN2
610
14
9
13
7
RC
10
Ω
RD 1M
RS
0.01
Ω
R9
22
Ω
Q1
IRF540S
VIN
CC
22nF
CT
150nF
C1 10nF
CSQ
0.1
µF
CSS 27nF
R6
POWER
MODULE 1
OUTPUT
POWER
MODULE 2
OUTPUT
VIN
R7
+
C3
0.1
µF
C2
100
µF
CIN
1
µF
R2
32.4k
1%
R1
402k
1%
RESET
–48V
GND
SHORT
PIN
GND
R8
47k
1%
†MOC207
†
†
††
†
Figure 18. – 48V/5A Application



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