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RT9173CS Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9173CS
Description  1.5A/3A Bus Termination Regulator
PDF  10 Pages
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9173CS Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9173/A
DS9173/A-06 March 2002
www.richtek-ic.com.tw
3
Typical Application Circuit
Test Circuit
Fig.1 Output Voltage Tolerance,
∆VOUT
Fig.2 Current in Shutdown Mode, ISHCLN
R1 = R2 = 100K
Ω, RTT = 50Ω / 33Ω / 25Ω
COUT,min = 10
µF (Ceramic) + 1000µF under the worst case testing condition
RDUMMY = 1k
Ω as for VOUT discharge when VIN is not present but VCNTL is present
CSS = 1
µF, CIN = 470µF (Low ESR), CCNTL = 47µF
VIN
VCNTL
REFEN
VOUT
GND
RTT
VCNTL= 3.3V
VIN = 2.5V
EN
R2
CSS
R1
CIN
COUT
CCNTL
RT9173/A
RDUMMY
2N7002
VIN
VCNTL
REFEN RT9173/A VOUT
GND
1.25V
2.5V
3.3V
VOUT
COUT
IL
V
VIN
VCNTL
REFEN RT9173/A VOUT
GND
1.25V
2.5V
3.3V
VOUT
COUT
V
RL
A
0.2V
0V
1.25V
RL and COUT
Time delay



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