Datasheet
LTC4357
14
4357fd
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
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FAX: (408) 434-0507
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www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 0910 REV D • PRINTED IN USA
relateD parts
typical application
Plug-In Card Input Diode for Supply Hold-Up
PART NUMBER DESCRIPTION COMMENTS
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LTC4251/LTC4251-1/
LTC4251-2
–48V Hot Swap Controllers in SOT-23 Fast Active Current Limiting, Supplies from –15V
LTC4252-1/LTC4252-2/
LTC4252-1A/LTC4252-2A
–48V Hot Swap Controllers in MS8/MS10 Fast Active Current Limiting, Supplies from –15V, Drain Accelerated
Response
LTC4253 –48V Hot Swap Controller with Sequencer Fast Active Current Limiting, Supplies from –15V, Drain Accelerated
Response, Sequenced Power Good Outputs
LT4256 Positive 48V Hot Swap Controller with
Open-Circuit Detect
Foldback Current Limiting, Open-Circuit and Overcurrent Fault Output,
Up to 80V Supply
LTC4260 Positive High Voltage Hot Swap Controller With I
2
C and ADC, Supplies from 8.5V to 80V
LTC4261 Negative High Voltage Hot Swap Controller With I
2
C and 10-Bit ADC, Adjustable Inrush and Overcurrent Limits
LTC4352 Ideal Diode Controller with Monitor Controls N-Channel MOSFET, 0V to 18V Operation
LTC4354 Negative Voltage Diode-OR Controller
and Monitor
Controls Two N-Channel MOSFETs, 1µs Turn-Off, 80V Operation
LTC4355 Positive Voltage Diode-OR Controller
and Monitor
Controls Two N-Channel MOSFETs, 0.5µs Turn-Off, 80V Operation
LT4356-1/LT4356-2/
LT4356-3
Surge Stopper, Overvoltage and Overcurrent
Protection Regulator
Wide Operation Range: 4V to 80V, Reverse Input Protection to –60V,
Adjustable Output Clamp Voltage
4357 TA06
LTC4357
GND
IN OUT
V
DD
GATE
FDB3632
PLUG-IN CARD
CONNECTOR 1
BACKPLANE
CONNECTORS
PLUG-IN CARD
CONNECTOR 2
48V V
OUT1
V
OUT2
GND
SMAT70A
SMAT70A
C
HOLDUP
GND
LTC4357
GND
IN OUT
V
DD
GATE
FDB3632
GND
Hot Swap
CONTROLLER
Hot Swap
CONTROLLER
+
C
HOLDUP
+