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| 型號(hào)： | MAX253 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Transformer Driver for Isolated RS-485 Interface |
| 中文描述： | 變壓器驅(qū)動(dòng)器，用于隔離型RS-485接口 |
| 文件頁(yè)數(shù)： | 3/16頁(yè) |
| 文件大?。?/td> | 230K |
| 代理商： | MAX253 |
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M
Transformer Driver for
Isolated RS -485 Interfac e
_______________________________________________________________________________________
3
10.5
6.0
-60
-20
60
140
OUTPUT RESISTANCE vs. TEMPERATURE
(FS = LOW)
7.0
9.5
p
TEMPERATURE (°C)
O
)
20
100
8.5
8.0
6.5
7.5
10.0
9.0
-40
0
80
40
120
V
IN
= 4.5V
V
IN
= 5.0V
MEASURED AT TP1
15
6
-60
-20
60
140
OUTPUT RESISTANCE vs. TEMPERATURE
(FS = HIGH)
p
TEMPERATURE (°C)
O
)
20
100
9
12
-40
0
80
40
120
V
IN
= 4.5V
V
IN
= 5.0V
MEASURED AT TP1
1.0
0
-60
-20
60
140
SHUTDOWN SUPPLY CURRENT
vs. TEMPERATURE
p
TEMPERATURE (°C)
S
20
100
0.4
0.8
-40
0
80
40
120
0.6
0.2
INCLUDES SWITCH LEAKAGE CURRENTS
260
160
-60
-20
60
140
D1, D2 FREQUENCY vs. TEMPERATURE
(FS = LOW)
p
TEMPERATURE (°C)
F
20
100
200
240
-40
0
80
40
120
220
180
V
IN
= 5.5V
V
IN
= 4.5V
V
IN
= 5.0V
V
IN
= 6.0V
850
400
-60
-20
60
140
SUPPLY CURRENT vs. TEMPERATURE
(FS = HIGH)
500
750
p
TEMPERATURE (°C)
S
20
100
650
600
450
550
800
700
-40
0
80
40
120
V
IN
= 5.5V
V
IN
= 6.0V
V
IN
= 4.5V
V
IN
= 5.0V
480
280
-60
-20
60
140
D1, D2 FREQUENCY vs. TEMPERATURE
(FS = HIGH)
p
TEMPERATURE (°C)
F
20
100
360
440
-40
0
80
40
120
400
320
V
IN
= 4.5V
V
IN
= 5.0V
V
IN
= 6.0V
V
IN
= 5.5V
550
250
-60
-20
60
140
SUPPLY CURRENT vs. TEMPERATURE
(FS = LOW)
p
TEMPERATURE (°C)
S
20
100
350
-40
0
80
40
120
300
400
500
450
600
V
IN
= 4.5V
V
IN
= 5.0V
V
IN
= 5.5V
V
IN
= 6.0V
100
0
0
40
120
200
EFFICIENCY vs. LOAD CURRENT
(FS = LOW)
20
80
p
LOAD CURRENT (mA)
E
80
160
60
40
10
30
90
70
50
20
60
140
100
180
V
IN
= 5.5V
V
IN
= 4.5V
__________________________________________Typic al Operating Charac teristic s
(Circuit of Figure 6, V
IN
= 5V ±10%, T
A
= +25°C, unless otherwise noted.)
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