LTC1535(1999) Просмотр технического описания (PDF) - Linear Technology
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LTC1535 Datasheet PDF : 12 Pages
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BLOCK DIAGRA
POWER SIDE
1
ISOLATED SIDE
1.3
+
LTC1535
1 VCC
28 RO
27 RE
26 DE
DI
25
4 GND
2
ST1
3
ST2
DECODE
400kHz
EN
FAULT
ENCODE
EN
TEST CIRCUITS
Y
VOD
R
VOC
R
Z
1535 F01
Figure 1. Driver DC Test Load
3V
DE
Y
R
DI
Z
R
CL1
CL2
1535 F03
Figure 3. Driver Timing Test Circuit
11 14
GND2 VCC2
ENCODE
R
EN
DECODE
D
EN
FAULT
A
16
B
15
RO2
17
Y
13
Z
12
SLO
18
1535 BD
RECEIVER
OUTPUT
TEST POINT
S1
CRL
1k S2
1k
VCC
1535 F02
Figure 2. Receiver Timing Test Load
OUTPUT
UNDER TEST
500Ω
CL
S1
VCC
S2
1535 F04
Figure 4. Driver Timing Test Load
5
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