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UT3223_17 Datasheet(PDF) 8 Page - Unisonic Technologies

Part No. UT3223_17
Description  DRIVERS/RECEIVERS
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Maker  UTC [Unisonic Technologies]
Homepage  http://www.utc-ic.com
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UT3223
Preliminary
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
8 of 9
www.unisonic.com.tw
QW-R502-A91.e
TYPICAL APPLICATION CIRCUIT
UTC
UT3223
SHUTDOWN
5kΩ
5kΩ
T1IN
T2IN
T1OUT
T2OUT
T3OUT
FORCEOFF
INVALID
R1OUT
R2OUT
R1IN
R2IN
C1+
C1-
C2+
C2-
C1
C2
V+
V-
C3
C4
CBYPASS
VCC
GND
3.0V~5.5V
RS-232
INPUTS
RS-232
OUTPUTS
LOGIC
OUTPUTS
LOGIC
INPUTS
TO POWER
MANAGEMENT
UNIT
VCC
GND
T1
T2
R1
R2
FORCEON
GND
EN
+
+
+
+
Fig.3 Application Circuit
Table 3. Required Capacitor Value
VCC (V)
C1 (µF)
C2, C3, C4 (µF)
CBYPASS (µF)
3.0~3.6
0.22
0.22
0.22
3.15~3.6
0.1
0.1
0.1
4.5~5.5
0.047
0.33
0.047
3.0~5.5
0.22
1.0
0.22




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