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LTM2882 Datasheet(PDF) 14 Page - Linear Technology

Part # LTM2882
Description  Dual Isolated RS232 關Module Transceiver Power
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTM2882 Datasheet(HTML) 14 Page - Linear Technology

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LTM2882
14
2882p
TYPICAL APPLICATIONS
Figure 8. Single Line Dual Half-Duplex
Isolated Transceiver
2882 F08
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
LTM2882
3.3V (LTM2882-3)
5V (LTM2882-5)
VL
VCC
GND
GND2
3.3k
TX
RX
3.3k
Figure 12. Isolated Multirail Power Supply
with Switched Outputs
2882 F12
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
LTM2882
3.0V TO 3.6V (LTM2882-3)
4.5V TO 5.5V (LTM2882-5)
5V
REGULATED
7V
SWITCHED
RETURN
–6.3V
SWITCHED
VL
VCC
VCC2
GND
GND2
ON
OFF
Figure 9. Driving Larger Capacitive Loads
Figure 10. 1.8V Microprocessor Interface
2882 F09
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
LTM2882
3.3V (LTM2882-3)
5V (LTM2882-5)
VL
VCC
GND
GND2
3k
CL
DATA RATE
(kbps)
100
5
250
2
1000
0.5
CL (nF)
2882 F10
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
LTM2882
μP
VL
VCC
GND
1.8V
3.3V (LTM2882-3)
5V (LTM2882-5)
GND2
Figure 11. Isolated 5V Power Supply
2882 F11
ON
DIN
T1IN
R1OUT
T2IN
R2OUT
DE
DOUT
T1OUT
R1IN
T2OUT
R2IN
LTM2882
VL
VCC
VCC2
GND
3.3V (LTM2882-3)
5V (LTM2882-5)
5V
REGULATED
150mA (LTM2882-5)
100mA (LTM2882-3)
GND2
ON
OFF



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