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LTC4253 Datasheet(PDF) 32 Page - Linear Technology

Part # LTC4253
Description  Negative Voltage Hot Swap Controllers
PDF  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4253 Datasheet(HTML) 32 Page - Linear Technology

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LTC4252-1/LTC4252-2
LTC4252A-1/LTC4252A-2
32
425212fd
APPLICATIONS INFORMATION
UV/OV
VEE
VIN
SENSE
SS
TIMER
GATE
DRAIN
LTC4252-1
R1
402k
R2
32.4k
CT
0.33μF
CSS
68nF
CC1
22nF
RC1
10Ω
Q1
IRF530S
RS
0.02Ω
RIN1
3
× 1.8k IN SERIES
1/4W EACH
1
7
8
2
6
5
3
4
C1
10nF
CIN
1μF
Hot Swap SECTION
DIODE-OR CIRCUIT FOR CHANNEL A
–48RTN
–48V A
RD
1M
LOAD
MODULE
UV
VEE
VIN
SENSE
OV
R5
560Ω
SS
TIMER
PWRGD
GATE
DRAIN
LTC4252-2
1
9
2
10
Q6
FDV301N
Q5
FDV301N
Q2
IRF530S
Q4
BSS131
CIN2
1μF
RIN2
3
× 1.8k IN SERIES
1/4W EACH
3
8
7
4
6
5
RC2
10μ
R3
12k
R4
150Ω
CC2
22nF
DIODE-OR CIRCUIT FOR CHANNEL B
–48V B
UV
VEE
VIN
SENSE
OV
R8
560Ω
SS
TIMER
PWRGD
GATE
DRAIN
LTC4252-2
1
9
2
10
Q9
FDV301N
Q8
FDV301N
Q3
IRF530S
Q7
BSS131
CIN3
1μF
RIN3
3
× 1.8k IN SERIES
1/4W EACH
3
8
7
4
6
5
RC3
10Ω
R6
12k
R7
150Ω
CC3
22nF
425212 F22
DIN1
†
DDZ13B**
DIN3
†
DDZ13B**
DIN2
†
DDZ13B**
**DIODES, INC
†
RECOMMENDED FOR HARSH ENVIRONMENTS
Figure 22. –48V/2.5A Diode-OR Application



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