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參數(shù)資料
| 型號： | LT1641-2 |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Negative 48V Hot Swap Controller |
| 中文描述： | 負(fù)48V熱插拔控制器 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大?。?/td> | 230K |
| 代理商： | LT1641-2 |
4
LT4250L/LT4250H
4250lhf
TYPICAL PERFOR U
Gate Voltage vs Temperature
TEMPERATURE (
°
C)
12.0
G
13.0
14.0
15.0
12.5
13.5
14.5
–25
0
75
1640 G04
100
–50
25
50
V
DD
= 48V
TEMPERATURE (
°
C)
–50
48
T
49
51
52
53
55
25
0
50
1640 G05
50
54
100
–25
75
TEMPERATURE (
°
C)
–50
G
μ
A
48
47
46
45
44
43
42
41
40
75
1640 G06
–25
100
50
25
0
V
GATE
= 0V
Gate Pull-Up Current
vs Temperature
Gate Pull-Down Current
vs Temperature
TEMPERATURE (
°
C)
–50
G
49
52
55
75
1640 G07
46
43
40
–25
0
25
50
100
V
GATE
= 2V
PWRGD Output Low Voltage
vs Temperature (LT4250L)
TEMPERATURE (
°
C)
–50
P
0.3
0.4
0.5
75
1640 G08
0.2
0.1
0
–25
25
0
50
100
I
OUT
= 1mA
TEMPERATURE (
°
C)
–50
2
O
)
3
4
5
6
7
8
–25
25
0
50
75
1640 G09
100
V
DRAIN
– V
EE
> 2.4V
PWRGD Output Impedance
vs Temperature (LT4250H)
Current Limit Trip Voltage
vs Temperature
This condition is latched until the GATE pin is turned off via
the UV, OV, UVLO or the electronic circuit breaker.
When the DRAIN pin of the LT4250H is above V
EE
by more
than V
DL
or V
GATE
is more than V
GH
from
V
GATE
, the
PWRGD pin will sink current to the DRAIN pin which pulls
the module’s enable pin low, forcing it off. When V
DRAIN
drops below V
DL
and V
GATE
rises above V
GH
, the PWRGD
sink current is turned off, allowing the module’s pull-up
current to pull the enable pin high and turn on the module.
This condition is latched until the GATE pin is turned off via
the UV, OV, UVLO or the electronic circuit breaker.
PI
FU
CTIO
N
S
U
U
PWRGD/PWRGD (Pin 1):
Power Good Output Pin. This pin
will latch a power good indication when V
DRAIN
is within V
DL
of V
EE
and V
GATE
is within V
GH
of
V
GATE
. This pin can be
connected directly to the enable pin of a power module.
When the DRAIN pin of the LT4250L is above V
EE
by more
than V
DL
or V
GATE
is more than V
GH
from
V
GATE
, the
PWRGD pin will be high impedance, allowing the pull-up
current of the module’s enable pin to pull the pin high and
turn the module off. When V
DRAIN
drops below V
DL
and
V
GATE
rises above V
GH
, the PWRGD pin sinks current to
V
EE
, pulling the enable pin low and turning on the module.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LT1641-2CS8 | 功能描述:IC CONTRLR HOTSWAP POSVOLT 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LT1641-2CS8#PBF | 功能描述:IC CONTRLR HOTSWAP POSVOLT 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開關(guān):無 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤 產(chǎn)品目錄頁面:1423 (CN2011-ZH PDF) |
| LT1641-2CS8#PBF | 制造商:Linear Technology 功能描述:Hot Swap Controller IC |
| LT1641-2CS8#TR | 功能描述:IC CONTRLR HOTSWAP POSVOLT 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| LT1641-2CS8#TRPBF | 功能描述:IC CONTRLR HOTSWAP POSVOLT 8SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠(yuǎn)程電力系統(tǒng)，AdvancedTCA ? 系統(tǒng)，高可用性 內(nèi)部開關(guān):無 電流限制:可調(diào) 電源電壓:11.5 V ~ 14.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
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