ltc1535csw-trpbf Linear Technology Corporation, ltc1535csw-trpbf Datasheet - Page 11

• Manufacturer Part Number: ltc1535csw-trpbf
• Description: Isolated Rs485 Transceiver
• Manufacturer: Linear Technology Corporation

APPLICATIO S I FOR ATIO
Table 3. Driver Function Table
RE
X
X
X
Note: Z = high impedance, X = don’t care
DE
1
1
0
INPUTS
U
Table 2. Fault Mode Behavior
FUNCTION (PINS)
DC/DC Converter (2, 3)
RO (28)
RO2 (17)
Driver Outputs
Y and Z (13,12)
Communication Across
Isolation Barrier
Fault Indicator on RE (27)
DI
1
0
X
U
RE = 0V
RE = V
RE = Floating
Table 1. List of Transformers Designed for LTC1535
MANUFACTURER
Cooper
Cooper
Epcos AG (Germany) B78304-A1477-A3
Midcom
Pulse FEE (France)
Sumida (Japan)
Transpower
CC
W
A
1
0
Z
(USA)
OUTPUTS
V
V
CC2
CC
Active
Active
Active
Active
Active
Hi-Z
Low
> V
On
> V
U
UVH
UVH
CTX02-14659
CTX02-14608
TTI7780-SM
S-167-5779
B
0
1
Z
NUMBER
31160R
P1597
PART
V
Forced High
V
CC2
Disabled
CC
Active
High
Hi-Z
Hi-Z
Hi-Z
On
< V
> V
UVL
UVH
Table 4. Receiver Function Table
RE
0
0
0
0
1
1
1
1
Note: Z = high impedance, X = don’t care
ISOLATION
(1 Second) NUMBER
VOLTAGE PHONE
3.75kVAC [phone]
V
Forced High Forced High
1.25kV
V
500V
500V
500V
100V
500V
CC2
Disabled
CC
DC
Active
High
Hi-Z
Hi-Z
Hi-Z
On
> V
< V
UVH
DE
UVL
X
X
X
X
X
X
X
X
INPUTS
[phone]
(0 89) 636-2 80 00
[phone]
[phone]
(33) 3 84 35 04 04
03-3667-3320
[phone]
V
V
CC2
Disabled
CC
Active
High
Hi-Z
Hi-Z
Hi-Z
On
< V
Inputs Shorted
Inputs Shorted
> V
Inputs Open
Inputs Open
UVL
UVL
V
V
V
V
A–B
TH(MAX)
TH(MAX)
TH(MIN)
TH(MIN)
SHUTDOWN
Forced High
THERMAL
Disabled
Active
High
Hi-Z
Hi-Z
Hi-Z
Off
RO
1
0
1
1
Z
Z
Z
Z
LTC1535
OUTPUTS
11
RO2
1
0
1
1
1
0
1
1
1535fa