參數(shù)資料
型號(hào): LT4250HCS8
廠商: LINEAR TECHNOLOGY CORP
元件分類(lèi): 電源管理
英文描述: Negative 48V Hot Swap Controller
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-8
文件頁(yè)數(shù): 12/12頁(yè)
文件大小: 230K
代理商: LT4250HCS8
12
LT4250L/LT4250H
4250lhf
PART NUMBER
LTC
1421
LTC1422
LT1640AH/LT1640AL
LT1641-1/LT1641-2
LTC1642
LTC1643
LTC1645
LTC1646
LTC1647
LTC4211
LTC4251
DESCRIPTION
Dual Hot Swap Controller with Additional –12V Control
Hot Swap Controller in SO-8
–48V Hot Swap Controller in SO-8
+48V Hot Swap Controller in SO-8
Fault Protected Hot Swap Controller
PCI Hot Swap Controller
Dual Hot Swap Controller
Dual CompactPCI Hot Swap Controller
Dual Hot Swap Controller
Hot Swap Controller with Multifunction Current Control
–48 Hot Swap Controller in SOT-23
COMMENTS
Operates from 3V to 12V
System Reset Output with Programmable Delay
LT4250 is a Pin-Compatible Upgrade to LT1640
Foldback Current Limit, 9V to 80V, Auto-Retry/Latch-Off
Operates Up to 16.5V, Protected to 33V
3.3V, 5V, 12V, –12V Supplies for PCI Bus
Operates from 1.2V to 12V, Power Sequencing
3.3V, 5V Supplies with Precharge and Local PCI Reset Logic
Dual ON Pins for Supplies from 3V to 15V
2.5V to 16.5V Supplies, Active Inrush Current Limiting
Active Current Limiting, Fast Comparator
for Catastrophic Faults
Active Current Limiting, Fast Comparator for Catastrophic
Faults, Separate UV/0V Pins, Power-Good Output
LTC4252
–48 Hot Swap Controller in MSOP
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 0402 2K PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
G
FAX: (408) 434-0507
G
www.linear-tech.com
TYPICAL APPLICATIO
N
U
Using an EMI Filter Module
Many applications place an EMI filter module in the power
path to prevent switching noise of the module from being
injected back onto the power supply. A typical application
using the Lucent FLTR100V10 filter module is shown in
Figure 15. When using a filter, an optoisolator is required
to prevent common mode transients from destroying the
PWRGD and ON/OFF pins.
RELATED PARTS
Figure 15. Typical Application Using a Filter Module
+
V
EE
V
DD
LT4250L
PWRGD
SENSE
C1
470nF
25V
C2
15nF
100V
C3
0.1
μ
F
100V
C4
0.1
μ
F
100V
C6
0.1
μ
F
100V
C5
100
μ
F
100V
C7
100
μ
F
16V
Q1
IRF530
R2
10
5%
R3
1k
5%
R4
549k
1%
R5
6.49k
1%
R6
10k
1%
R1
0.02
5%
4
OV
–48V RTN
3
2
–48V
UV
5
6
8
7
1
GATE
DRAIN
LUCENT
JW050A1-E
V
IN+
V
OUT+
SENSE
+
TRIM
SENSE
V
OUT–
CASE
9
8
7
5V
4250 F15
6
5
3
1
2
4
ON/OFF
V
IN–
V
OUT+
V
OUT–
V
IN+
CASE
V
IN–
+
LUCENT
FLTR100V10
–48V RTN
(SHORT PIN)
*
* DIODES INC. SMAT70A
4
3
2
1
MOC207
R7
51k
5%
1N4003
相關(guān)PDF資料
PDF描述
LT4250L Negative 48V Hot Swap Controller
LT4250LCN8 Negative 48V Hot Swap Controller
LT4250LCS8 Negative 48V Hot Swap Controller
LT4250LIN8 Negative 48V Hot Swap Controller
LT4250LIS8 Negative 48V Hot Swap Controller
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參數(shù)描述
LT4250HCS8#PBF 功能描述:IC CONTRLR HOTSWAP NEG 48V 8SOIC RoHS:是 類(lèi)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(lèi)型:熱交換控制器 應(yīng)用:通用型,PCI Express? 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:- 電源電壓:3.3V,12V 工作溫度:-40°C ~ 85°C 安裝類(lèi)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(pán) 產(chǎn)品目錄頁(yè)面:1423 (CN2011-ZH PDF)
LT4250HCS8#TR 功能描述:IC CONTRLR HOTSWAP NEG 48V 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類(lèi)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(kāi)關(guān):無(wú) 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(lèi)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
LT4250HCS8#TRPBF 功能描述:IC CONTRLR HOTSWAP NEG 48V 8SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類(lèi)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(kāi)關(guān):無(wú) 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(lèi)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
LT4250HIN8 功能描述:IC CONTRLR HOT SWAP NEG 48V 8DIP RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類(lèi)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(kāi)關(guān):無(wú) 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(lèi)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
LT4250HIN8#PBF 功能描述:IC CONTRLR HOT SWAP NEG 48V 8DIP RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 類(lèi)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(kāi)關(guān):無(wú) 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(lèi)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