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RT9173B 데이터시트(PDF) 2 Page - Richtek Technology Corporation

부품명 RT9173B
상세설명  2A Bus Termination Regulator
PDF  13 Pages
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제조업체  RICHTEK [Richtek Technology Corporation]
홈페이지  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9173B 데이터시트(HTML) 2 Page - Richtek Technology Corporation

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RT9173B
2
DS9173B-09 March 2007
www.richtek.com
Typical Application Circuit
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
CIN = 470
μF (Low ESR), CCNTL = 47μF
VIN
REFEN
GND
VCNTL
VOUT
RT9173B
EN
2N7002
R
1
R
2
V
IN = 2.5V
V
CNTL = 3.3V
C
CNTL
C
IN
R
TT
C
OUT
R
DUMMY
Test Circuit
Figure 2. Current in Shutdown Mode,
ΙSHDN
Figure 1. Output Voltage Tolerance,
ΔVOUT
VIN
REFEN
GND
VCNTL
VOUT
RT9173B
2.5V
3.3V
1.25V
C
OUT
I
L
V
OUT
V
VIN
REFEN
GND
VCNTL
VOUT
RT9173B
2.5V
3.3V
1.25V
C
OUT
V
OUT
V
R
L
1.25V
0V
R
L and COUT
Time deleay
0.2V
A



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