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參數(shù)資料
| 型號： | LTC4300-1CMS8 |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | Hot Swappable 2-Wire Bus Buffers |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 198K |
| 代理商： | LTC4300-1CMS8 |
LTC4300A-3
Level Shifting
1
sn4300a3 4300a3fs
The LTC
4300A-3 hot swappable 2-wire bus buffer allows
I/O card insertion into a live backplane without corruption
of the data and clock busses. When the connection is
made, the LTC4300A-3 provides bidirectional buffering,
keeping the backplane and card capacitances isolated.
Rise-time accelerator circuitry allows the use of weaker
DC pull-up currents while still meeting rise-time require-
ments. During insertion, the SDA and SCL lines are
precharged to 1V to minimize bus disturbances.
The LTC4300A-3 provides level translation between 3.3V
and 5V supplies. The backplane and card can both be
powered with supplies ranging from 2.7V to 5.5V. The
LTC4300A-3 also incorporates a CMOS threshold ENABLE
pin which forces the part into a low current mode and iso-
lates the card from the backplane. When driven to V
CC
, the
ENABLE pin sets normal operation.
The LTC4300A-3 is available in the MSOP and 3mm
×
3mm
DFN packages.
■
Hot Board Insertion
■
Servers
■
Capacitance Buffer/Bus Extender
■
Desktop Computer
■
Bidirectional Buffer* for SDA and SCL Lines
Increases Fanout
■
Prevents SDA and SCL Corruption During Live
Board Insertion and Removal from Backplane
■
Logic Threshold ENABLE Input
■
Isolates Input SDA and SCL Lines from Output
■
Compatible with I
2
C
TM
, I
2
C Fast Mode and SMBus
Standards (Up to 400kHz Operation)
■
1V Precharge on all SDA and SCL Lines
■
Supports Clock Stretching, Arbitration and
Synchronization
■
5V to 3.3V Level Translation
■
High Impedance SDA, SCL Pins for V
CC
= 0V,
V
CC2
= 0V
■
Small 8-Pin DFN and MSOP Packages
Hot Swappable 2-Wire
Bus Buffer with Enable
*Patent pending.
APPLICATIU
FEATURES
TYPICAL APPLICATIO
U
DESCRIPTIO
U
Input–Output Connection
OUTPUT
SIDE
50pF
INPUT
SIDE
150pF
200ns/DIV
4300A TA02
V
CC
3.3V
10k
10k
ENABLE
SCLIN
SCLOUT
SDAIN
SDAOUT
5
4
6
7
3
2
8
1
GND
LTC4300A-3
0.01
μ
F
0.01
μ
F
V
CC2
4300A-3
TA01
10k
10k
OFF ON
0.5V/DIV
, LTC and LT are registered trademarks of Linear Technology Corporation.
All other trademarks are the property of their respective owners.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LTC4300-1IMS8 | Hot Swappable 2-Wire Bus Buffers |
| LTC4300-2 | Hot Swappable 2-Wire Bus Buffers |
| LTC4300-2CMS8 | Hot Swappable 2-Wire Bus Buffers |
| LTC4300-2IMS8 | Hot Swappable 2-Wire Bus Buffers |
| LTC4300A-3CDD | Level Shifting Hot Swappable 2-Wire Bus Buffer with Enable |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4300-1CMS8#PBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標準包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠程電力系統(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 |
| LTC43001CMS8#TR | 制造商:Linear Technology 功能描述:Hot Swappable Bus 8-Pin MSOP T/R |
| LTC4300-1CMS8#TR | 功能描述:IC BUS BUFFER HOTSWAP 2WIRE8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標準包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠程電力系統(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 |
| LTC4300-1CMS8#TRPBF | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標準包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠程電力系統(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 |
| LTC4300-1IMS8 | 功能描述:IC HOTSWAP 2WIRE BUS BUFFR 8MSOP RoHS:否 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 標準包裝:50 系列:- 類型:熱交換控制器 應(yīng)用:-48V 遠程電力系統(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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