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参数资料
| 型号： | LTC4151IS-2#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封装： | 0.150 INCH, LEAD FREE, PLASTIC, SOP-16 |
| 文件页数： | 5/18页 |
| 文件大小： | 476K |
| 代理商： | LTC4151IS-2#PBF |
LTC4151
13
4151fc
address with the R/W bit now set to one. The LTC4151
acknowledges and sends the contents of the requested
register. The transmission terminates when the master
sends a Stop condition. If the master acknowledges the
transmitted data byte, as in a Read Word command, the
LTC4151 will send the contents of the next register. If
the master acknowledges the second data byte and each
of the following (if more) data bytes, as in a Read Page
command, the LTC4151 will keep sending out each data
byte in the register that corresponds to the incrementing
register pointer. The read operation terminates and the
register address pointer resets to 00h when the master
sends a Stop condition.
Layout Considerations
A Kelvin connection between the sense resistor RS and
the LTC4151 is recommended to achieve accurate current
sensing (Figure 10). The minimum trace width for 1oz
copper foil is 0.02" per amp to make sure the trace stays
APPLICATIONS INFORMATION
4151 F10
SENSE–
GND
SENSE+
VIN
ADR1
ADR0
LTC4151
VIN
GND
RS
ILOAD
Figure 10. Recommended Layout for Kelvin Connection
at a reasonable temperature. Using 0.03" per amp or wider
is recommended. Note that 1oz copper exhibits a sheet
resistance of about 530
W per square.
ADIN
R1
0.02
LTC4151-2
VIN
7V to 80V
VOUT
VCC
8
5V
1
2
8
7
6
5
1
2
3
4
ISO_SDA
ISO_SCL
7
5
GND
4
1
2
8
5
C7
1F
100V
VIN
ADR1
ADR0
SDAO
IN
LT3010-5
SHDN
OUT
SENSE
GND
SDAI
SCL
GND
SENSE+ SENSE–
C6
1F
ISO1
PS9817-2
ISO2
PS9817-2
R3
10k
R4
10k
R11
1k
R13
10k
4151 F11
R12
1k
R14
10k
R8
1k
C4
0.1F
VCC
GND
Figure 11. LTC4151-2 I2C Opto-Isolation Interface with High Speed Opto-Couplers
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