LTM2881Y-3(RevA) Просмотр технического описания (PDF) - Linear Technology
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LTM2881Y-3 Datasheet PDF : 22 Pages
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Block Diagram
VCC
2.2µF
VL
2.2µF
ISOLATED
DC/DC
CONVERTER
RO
RE
DE
DI
ON
TE
DOUT
ISOLATED
COMM
INTERFACE
GND
= LOGIC SIDE COMMON
LTM2881
VCC2
5V
REG
2.2µF
RX
ISOLATED
COMM
INTERFACE
DX
A
B
120Ω
Y
Z
SLO
DIN
GND2
= ISOLATED SIDE COMMON
2881 BD
TEST CIRCUITs
Y
GND DI
+
OR
VL
DRIVER
V–OD
Z
R
R+
V–OC
2881 F01
Figure 1. Driver DC Characteristics
Y
GND DI
OR
DRIVER
VL
Z
IOSD
+
–
–7V TO 12V
2881 F02
Figure 2. Driver Output Short-Circuit Current
IIN
A OR B
VIN +–
RECEIVER
B OR A
RIN
=
VIN
IIN
2881 F03
Figure 3. Receiver Input Current and Input Resistance
2881fa
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