參數(shù)資料
型號: MAX3189EEUT+T
廠商: Maxim Integrated Products
文件頁數(shù): 6/8頁
文件大?。?/td> 0K
描述: IC RS-232 TRANSMITTER SOT23-6
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類型: 發(fā)射器
驅(qū)動器/接收器數(shù): 1/0
規(guī)程: RS232
電源電壓: 4.5 V ~ 6 V
安裝類型: 表面貼裝
封裝/外殼: SOT-23-6
供應(yīng)商設(shè)備封裝: SOT-6
包裝: 帶卷 (TR)
MAX3188E/MAX3189E
Applications Information
Power-Supply Sources
The MAX3188E/MAX3189E require ±4.5V to ±6V dual
supplies. For applications where these supply voltages
are not present, a DC-DC converter must be added.
Due to the MAX3188E/MAX3189Es’ low current con-
sumption, a charge pump can provide the proper supply
voltages and requires a minimal amount of board
space and cost.
When using another RS-232 device containing an internal
regulated charge pump (Table 1), the MAX3188E/
MAX3189E may be powered from the internal charge
pump (Figure 6). This eliminates the need for additional
external DC-DC converters to generate the required
±4.5V to ±6V dual supplies.
±15kV ESD-Protected, 1Mbps, 1A
RS-232 Transmitters in SOT23-6
6
_______________________________________________________________________________________
VCC
TIN
GND
VCC
TOUT
MAX3188E
MAX3189E
(TABLE 1)
CBYPASS
0.1
F
C1
0.1
F
C4
0.1
F
C2
0.1
F
C3
0.1
F
SHDN
VEE
+3V SUPPLY
C1+
C1-
V+
V-
C2+
C2-
Figure 6. Powering the MAX3188E/MAX3189E
tR = 0.7ns TO 1ns
30ns
60ns
t
100%
90%
10%
I PEAK
I
Figure 5. IEC 1000-4-2 ESD Generator Current Waveform
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參數(shù)描述
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