Datasheet

MAX253
Transformer Driver for
Isolated RS-485 Interface
Maxim Integrated | 13www.maximintegrated.com
-V
OUT
OUTPUT
≈ -2V
IN
V
IN
INPUT
MAX253
GND1 GND2
V
CC
1
8
6
27
1N5817
1CT:1CT*
1N5817
D1
D2
+V
OUT
OUTPUT
≈ 2V
IN
R
L
+
R
L
-
R
L
+
≅ R
L
-
*SEE TABLE 2
Figure 9a. Half-Wave Rectifier—Bipolar
V
OUT
≈ -V
IN
OUTPUT
V
IN
INPUT
MAX253
GND1 GND2
V
CC
1
8
6
27
1CT:1CT*
D1
D2
V
OUT
≈ +V
IN
OUTPUT
4 x 1N5817
*SEE TABLE 2
Figure 9b. Full-Wave Rectifier—Bipolar
V
IN
INPUT
MAX253
GND1 GND2
V
CC
1
8
6
27
1CT:1CT*
D1
D2
V
OUT
≈ 2 x V
IN
OUTPUT
4 x 1N5817
*SEE TABLE 2
Figure 9c. Full-Wave Rectifier—Unipolar