參數(shù)資料
型號(hào): L6706
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, QCC40
封裝: 6 X 6 MM, ROHS COMPLIANT, VFQFPN-40
文件頁(yè)數(shù): 11/47頁(yè)
文件大?。?/td> 623K
代理商: L6706
L6706
Differential remote voltage sensing
Doc ID 15698 Rev 2
19/47
7
Differential remote voltage sensing
The output voltage is sensed in fully-differential mode between the FB and FBG pin.
The FB pin has to be connected through a resistor to the regulation point while the FBG pin
has to be connected directly to the remote sense ground point.
In this way, the output voltage programmed is regulated between the remote sense point
compensating motherboard or connector losses.
Keeping the FB and FBG traces parallel and guarded by a power plane results in common
mode coupling for any picked-up noise.
Figure 5.
Differential remote voltage sensing connections
COMP
To GND_core
(Remote Sense)
ERROR AMPLIFIER
FB
FBG
RF
CF
VSEN
I
DROOP
To VCC_core
(Remote Sense)
RFB
VPROG
VREF
FBG
GND DROP
RECOVERY
CP
I
OFFSET
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