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參數(shù)資料
| 型號(hào)： | LTC4310CMS-1#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY SUPPORT CKT, PDSO10 |
| 封裝： | LEAD FREE, PLASTIC, MSOP-10 |
| 文件頁(yè)數(shù)： | 17/20頁(yè) |
| 文件大?。?/td> | 231K |
| 代理商： | LTC4310CMS-1#PBF |
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LTC4310-1/LTC4310-2
6
431012fa
pin FuncTions
EN (Pin 1): Device Enable Input. Pulling EN up to VCC
sets the device in normal operation mode, allowing bus
information to be sent and received across the barrier.
Grounding EN disables communication across the bar-
rier and debiases all internal circuitry, setting the device
in a very low current shutdown mode. Connect to VCC if
unused.
SDA (Pin 2): Serial Bus Data Input/Output. This is the
bidirectional data line for the two-wire bus. An external
pull-up resistor or current source from SDA to a supply
voltage greater than or equal to the VCCvoltageisrequired.
See the Applications Information section for guidance
on selecting the resistor or current source value. Do not
leave open.
SCL (Pin 3): Serial Bus Clock Input/Output. This is the
bidirectional clock line for the two-wire bus. An external
pull-up resistor or current source from SCL to a supply
voltage greater than or equal to the VCCvoltageisrequired.
See the Applications Information section for guidance
on selecting the resistor or current source value. Do not
leave open.
READY(Pin4):DeviceReceivingIndicatorOutput.READY
is an open-drain digital output that pulls low when the
LTC4310 is driving its SDA and SCL pins with the logic
state information it is receiving on its RXP and RXN pins.
Connect this pin to VCC with a 10k resistor. This pin can
be left open or tied to GND if unused.
GND (Pin 5): Device Ground.
TXN (Pin 6): Negative Transmit Output. Tie TXN to the
negative side of the transformer primary winding or to the
RXN pin of another LTC4310 through a ceramic capacitor.
See the Applications Information section for guidance in
selecting the capacitor value. Do not leave open.
TXP (Pin 7): Positive Transmit Output. Tie TXP to the
positive side of the transformer primary winding or to the
RXP pin of another LTC4310 through a ceramic capacitor.
See the Applications Information section for guidance in
selecting the capacitor value. Do not leave open.
VCC (Pin 8): Device Power Supply Input. Connect a by-
pass capacitor of at least 0.01F directly between VCC
and GND.
RXP (Pin 9): Positive Receive Input. Tie RXP to the posi-
tive side of the transformer secondary winding or to the
TXP pin of another LTC4310 through a ceramic capacitor.
See the Applications Information section for guidance in
selecting the capacitor value. Do not leave open.
RXN(Pin10):NegativeReceiveInput.TieRXNtothenega-
tive side of the transformer secondary winding or to the
TXN pin of another LTC4310 through a ceramic capacitor.
See the Applications Information section for guidance in
selecting the capacitor value. Do not leave open.
Exposed Pad (Pin 11) DFN Package Only: The exposed
pad may be left open or connected to device ground.
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