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參數(shù)資料
型號(hào): LTC1642IGN#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 1/16頁(yè)
文件大小: 243K
描述: IC CONTROLLER HOTSWAP ADJ 16SSOP
標(biāo)準(zhǔn)包裝: 100
類型: 熱交換控制器
應(yīng)用: 通用型 Infiniband?
內(nèi)部開關(guān):
電源電壓: 2.97 V ~ 16.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 管件
1
LTC1642
1642fb
Hot Swap Controller
The LTC
?/DIV>
1642 is a 16-pin Hot Swap
TM
 
controller that
allows a board to be safely inserted and removed from a
live backplane. Using an external N-Channel pass transis-
tor, the board supply voltage can be ramped up at an
adjustable rate. A high side switch driver controls the
N-Channel gate for supply voltages above 2.97V.
The SENSE pin allows foldback limiting of the load current,
with circuit breaker action after an adjustable delay time.
The delay allows the part to power-up in current limit. The
CRWBR output can be used to trigger an SCR for crowbar
protection of the load if the input supply exceeds an
adjustable threshold. The RESET output can generate a
system reset with adjustable delay when the supply
voltage falls below an adjustable threshold. The ON
pin cycles the board power. The LTC1642 is available in
the 16-pin SSOP package.
?/DIV>
Adjustable Undervoltage and Overvoltage
Protection
?/DIV>
Foldback Current Limit
?/DIV>
Adjustable Current Limit Time-Out
?/DIV>
Protected Against Surges to 33V
?/DIV>
Single Channel NFET Driver
?/DIV>
Latch Off or Automatic Retry on Current Fault
?/DIV>
Driver for SCR Crowbar on Overvoltage
?/DIV>
Adjustable Reset Timer
?/DIV>
Reference Output with Uncommitted Comparator
?/DIV>
16-Pin SSOP Package
?/DIV>
Hot Board Insertion
?/DIV>
Electronic Circuit Breaker
?/DIV>
InfiniBand
TM
 Systems
1N4705
18V
12V
BACKPLANE
(SHORT PIN)
PLUG-IN CARD
V
CC
SENSE
GATE
GND  BRK TMR
LTC1642
RST TMR
ON
FAULT
OV
RESET
FB
CRWBR
COMP
+
COMP

0.33礔
0.33礔
2N2222
MCR
12DC
REF
0.1礔
2.87k
1%
110k
1%
100&
5%
107k
1%
13k
1%
FDS6630A
0.01礔
0.047礔
C
LOAD
12V
AT 2.5A
330&
5%
0.010&
5%
11.3k
1%
POWER-GOOD = 11.4V
1642 TA01
+
COMPOUT
GND
UV = 10.8V
OV = 13.2V
APPLICATIO S
FEATURES
TYPICAL APPLICATIO
DESCRIPTIO
, LTC and LT are registered trademarks of Linear Technology Corporation. Hot Swap is
a trademark of Linear Technology Corporation. All other trademarks are the property of
their respective owners.
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