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参数资料
| 型号： | LTC4260IUH#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 19/30页 |
| 文件大小： | 295K |
| 描述： | IC HOT SWAP CNTRL I2C 32-QFN |
| 标准包装： | 2,500 |
| 类型： | 热交换控制器 |
| 应用： | 通用 |
| 内部开关： | 无 |
| 电源电压： | 8.5 V ~ 80 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 32-WFQFN 裸露焊盘 |
| 供应商设备封装： | 32-QFN 裸露焊盘（5x5） |
| 包装： | 带卷 (TR) |
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LTC4260
19
4260fc
For more information www.linear.com/LTC4260
applicaTions inForMaTion
R/W bit now set to one. The LTC4260 acknowledges and
sends the contents of the requested register. The transmis-
sion is ended when the master sends a STOP condition.
If the master acknowledges the transmitted data byte, as
in a Read Word command (Figure 12), the LTC4260 will
repeat the requested register as the second data byte.
Note that the Register Address pointer is not cleared at
the end of the transaction. Thus the Receive Byte protocol
can be used to repeatedly read a specific register.
Alert Response Protocol
The LTC4260 implements the SMBus Alert Response Pro-
tocol as shown in Figure 11. If enabled to do so through
the ALERT register B, the LTC4260 will respond to faults
by pulling the ALERT pin low. Multiple LTC4260s can
share a common ALERT line and the protocol allows a
master to determine which LTC4260s are pulling the line
low. The master begins by sending a START bit followed
by the special Alert Response Address (0001 100)b with
the R/W bit set to one. Any LTC4260 that is pulling its
ALERT pin low will acknowledge and begin sending back
its individual slave address.
An arbitration scheme ensures that the LTC4260 with the
lowest address will have priority; all others will abort their
response. The successful responder will then release its
ALERT pin while any others will continue to hold their
ALERT pins low. Polling may also be used to search for
any LTC4260 that have detected faults. Any LTC4260 pull-
ing its ALERT pin low will also release it if it is individually
addressed during a read or write transaction.
The ALERT signal will not be pulled low again until the
FAULT register indicates a different fault has occurred or the
original fault is cleared and it occurs again. Note that this
means repeated or continuing faults will not generate alerts
until the associated FAULT register bit has been cleared.
SCL
SDA
START
CONDITION
STOP
CONDITION
ADDRESS
R/W
ACK
DATA
ACK
DATA
ACK
1 - 7
8
9
4260 F06
a6 - a0
b7 - b0
b7 - b0
1 - 7
8
9
1 - 7
8
9
P
S
Figure 6. Data Transfer Over I
2
C or SMBus
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| LTC4261CGN#TRPBF | 功能描述:IC CTRLR HOTSWAP W/ADC 28-SSOP 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) |
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