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MAX253EPA

更新时间： 2024-01-17 14:56:28

品牌	Logo	应用领域
美信 - MAXIM		变压器驱动器驱动程序和接口接口集成电路光电二极管
页数	文件大小	规格书
16页	232K
描述
Transformer Driver for Isolated RS-485 Interface

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技术参数
数据手册

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MAX253EPA 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
Factory Lead Time：	18 weeks	风险等级：	5.56
接口集成电路类型：	INTERFACE CIRCUIT	峰值回流温度（摄氏度）：	NOT SPECIFIED
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

MAX253EPA 数据手册

Tra n s fo rm e r Drive r fo r

Is o la t e d RS -4 8 5 In t e rfa c e

____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )

(Circuit of Figure 6, V = 5V ±10%, T = +25°C, unless otherwise noted.)

EFFICIENCY vs. LOAD CURRENT

(FS = HIGH)

OUTPUT VOLTAGE vs. LOAD CURRENT

(FS = LOW)

OUTPUT VOLTAGE vs. LOAD CURRENT

(FS = HIGH)

100

CIRCUIT OF FIGURE 7

V = 3.3V

TURNS RATIO = 1:2.1

= 3.3V

= 5.5V

TURNS RATIO = 1:2.1

CIRCUIT OF FIGURE 6

= 5.0V

CIRCUIT OF FIGURE 6

= 5.0V

TURNS RATIO = 1:1.3

= 4.5V

TURNS RATIO = 1:1.3

CIRCUIT OF FIGURE 6

V = 5.0V

TURNS RATIO = 1:1

= 5.0V

TURNS RATIO = 1:1

MEASURED AT TP1

20 40 6080 100 120 140160 180 200

LOAD CURRENT (mA)

20 40 60 80 100 120 140 160 180 200 220

LOAD CURRENT (mA)

20 40 60 80 100 120 140 160 180 200 220

LOAD CURRENT (mA)

SWITCHING WAVEFORMS

(BREAK BEFORE MAKE)

SWITCHING WAVEFORMS

(TWO CYCLES)

CIRCUIT OF FIGURE 1

TIME FROM SHUTDOWN TO POWER-UP

TP1 (OUTPUT VOLTAGE)

CIRCUIT OF FIGURE 6

_______________________________________________________________________________________

1 2 345 6 7...16

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