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LT3669I 데이터 시트보기 (PDF) - Linear Technology
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LT3669I
IO-Link Transceiver with Integrated Step-Down Regulator and LDO
Linear Technology
LT3669I Datasheet PDF : 40 Pages
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TIMING DIAGRAMS
I
PD
WAKE-UP
DETECT
R
PD
CQ1
V
DD
WAKE
R
PU
CQ1
TXD1
I
PD
TXEN1
TXD1
TXEN1 TXD1
TXEN1
WAKE
LT3669/LT3669-2
100mA
t
WU
*
V
L+
– V
RQH
t
DWU
V
DD
/ 2
500mA
0mA
V
L+
V
L+
– 3V
0V
t
HZD
V
DD
V
DD
/ 2
0V
V
DD
/ 2
V
DD
0V
t
LZW
V
DD
V
DD
/ 2
0V
I
PU
V
L+
I
PU
V
L+
R
PU
CQ1
WAKE-UP
DETECT
V
DD
WAKE
R
PU
CQ1
TXD1
TXEN1
TXD1
TXEN1 TXD1
TXEN1
WAKE
100mA
t
WU
V
RQL
t
DWU
V
DD
/ 2
*
t
WU
is the width of the applied wake-up pulse >t
DWU
500mA
0mA
V
L+
3V
t
LZD
V
DD
/ 2
V
DD
/ 2
t
LZW
V
DD
/ 2
0V
V
DD
0V
V
DD
0V
V
DD
0V
36692 F07
Figure 7. Wake-Up Waveforms
For more information
www.linear.com/LT3669
3669fa
19
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