参数资料
型号: MAX253ESA+T
厂商: Maxim Integrated Products
文件页数: 13/18页
文件大小: 0K
描述: IC DRVR TRANSFORMER 8-SOIC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 驱动器
驱动器/接收器数: 1/0
规程: RS232,RS485
电源电压: 4.5 V ~ 5.5 V
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
Transformer Driver for
Isolated RS-485 Interface
10
0
40
220
OUTPUT VOLTAGE vs. LOAD CURRENT
(FS = LOW)
2
8
plot10
LOAD CURRENT (mA)
OUTPUT
VOLTAGE
(V)
80
6
4
1
3
9
7
5
20
60
140
120
100
160 180 200
CIRCUIT OF FIGURE 6
VIN = 5.0V
TURNS RATIO = 1:1
CIRCUIT OF FIGURE 6
VIN = 5.0V
TURNS RATIO = 1:1.3
CIRCUIT OF FIGURE 7
VIN = 3.3V
TURNS RATIO = 1:2.1
MEASURED AT TP1
10
0
40
220
OUTPUT VOLTAGE vs. LOAD CURRENT
(FS = HIGH)
2
8
plot11
LOAD CURRENT (mA)
OUTPUT
VOLTAGE
(V)
80
6
4
1
3
9
7
5
20
60
140
120
100
160 180 200
CIRCUIT OF FIGURE 6
VIN = 5.0V
TURNS RATIO = 1:1
CIRCUIT OF FIGURE 6
VIN = 5.0V
TURNS RATIO = 1:1.3
CIRCUIT OF FIGURE 7
VIN = 3.3V
TURNS RATIO = 1:2.1
MEASURED AT TP1
CIRCUIT OF FIGURE 1
SWITCHING WAVEFORMS
(TWO CYCLES)
D1
D2
CIRCUIT OF FIGURE 1
SWITCHING WAVEFORMS
(BREAK BEFORE MAKE)
D1
D2
CIRCUIT OF FIGURE 6
TIME FROM SHUTDOWN TO POWER-UP
SD
TP1 (OUTPUT VOLTAGE)
____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 6, VIN = 5V ±10%, TA = +25°C, unless otherwise noted.)
100
0
40
120
200
EFFICIENCY vs. LOAD CURRENT
(FS = HIGH)
20
80
plot09
LOAD CURRENT (mA)
EFFICIENCY
(%)
80
160
60
40
10
30
90
70
50
20
60
140
100
180
VIN = 5.5V
VIN = 4.5V
MAX253
4
Maxim Integrated
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