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| 型号： | LTC4308CDD#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 12/16页 |
| 文件大小： | 168K |
| 描述： | IC BUS BUFFER LV 8-DFN |
| 产品培训模块： | LTC4310 - Hot-Swappable I²C Isolators |
| 标准包装： | 121 |
| 类型： | 热交换开关 |
| 应用： | 通用型缓冲器/总线扩展器 |
| 内部开关： | 是 |
| 电源电压： | 2.3 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN-EP（3x3） |
| 包装： | 管件 |
LTC4308
12
4308f
APPLICATIONS INFORMATION
Systems with Supply Voltage Droop
In large 2-wire systems, the V
CC
voltages seen by devices
at various points in the system can differ by a few hundred
millivolts or more. This situation is modeled by a series
resistor in the V
CC
line, as shown in Figure 6. For proper
operation, make sure that the V
CC(LTC4308)
is e 2.3V .
Table 1: Differences Between LTC4301l and LTC4308
SPECIFICATION LTC4301L LTC4308
COMMENTS
V
CC(MIN)
2.7V
2.3V
Lower supply voltage allows greater compatibility with low voltage systems.
V
OS(TYP)
100mV
200mV/300mV Negative output-to-input offset voltage provide better noise margin on low voltage bus.
I
PULLUPAC(TYP)
N/A
8mA
Output bus rise time accelerators aid heavily loaded busses to meet rise time speci cations.
t
TIMEOUT
N/A
30ms
Stuck Bus Recovery automatically isolates the input bus from the output bus and attempts to recover
the output bus.
READY
READY functions identically. In addition, the LTC4308 will pull READY low to indicate when
disconnection has occurred.
CS/ENABLE
Active Low Active High
When replacing an LTC4301L with an LTC4308, invert the CS signal.
LTC4308 and LTC4301L Feature Comparison
Although both, the LTC4308 and LTC4301L are func-
tionally similar Hot Swappable Bus Buffers designed for
Low Voltage Level Translation in 2-wire bus systems, the
LTC4308 provides greater features. These features include
automatic bus stuck low detection and recovery; rise time
accelerators on the output busses, and 200mV In-Out and
300mV Out-In offset voltages that are nearly independent
of pull-up resistors. These and other differences are listed
in Table 1 and must be accounted for if using the LTC4308
in LTC4301L applications.
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| LTC4308CMS8#PBF | 功能描述:IC BUS BUFFER LV 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LTC4308CMS8#PBF | 制造商:Linear Technology 功能描述:IC HOT SWAP BUS BUFFER MSOP-8 |
| LTC4308CMS8#TRPBF | 功能描述:IC BUS BUFFER LV 8-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 标准包装:50 系列:- 类型:热交换控制器 应用:-48V 远程电力系统，AdvancedTCA ? 系统，高可用性 内部开关:无 电流限制:可调 电源电压:11.5 V ~ 14.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-MSOP 包装:管件 |
| LTC4308IDD#PBF | 功能描述:IC BUS BUFFER LV 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:119 系列:- 类型:热交换控制器 应用:通用型，PCI Express? 内部开关:无 电流限制:- 电源电压:3.3V，12V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:80-TQFP 供应商设备封装:80-TQFP（12x12） 包装:托盘 产品目录页面:1423 (CN2011-ZH PDF) |
| LTC4308IDD#TRPBF | 功能描述:IC BUS BUFFER LV 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 热交换 系列:- 产品培训模块:Obsolescence Mitigation Program 标准包装:100 系列:- 类型:热插拔开关 应用:通用 内部开关:是 电流限制:可调 电源电压:9 V ~ 13.2 V 工作温度:-40°C ~ 150°C 安装类型:表面贴装 封装/外壳:10-WFDFN 裸露焊盘 供应商设备封装:10-TDFN-EP（3x3） 包装:管件 |
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