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RT9173B Datasheet(PDF) 3 Page - Richtek Technology Corporation

Part # RT9173B
Description  2A Bus Termination Regulator
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT9173B Datasheet(HTML) 3 Page - Richtek Technology Corporation

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RT9173B
3
DS9173B-09 March 2007
www.richtek.com
Figure 3. Current Limit for High Side,
ΙCLHIGH
VCNTL
REFEN
GND
VIN
VOUT
RT9173B
3.3V
2.5V
1.25V
C
OUT
I
L
V
OUT
V
A
Figure 4. Current Limit for Low Side,
ΙCLLOW
Figure 5. REFEN Pin Shutdown Threshold, VTRIGGER
VCNTL
REFEN
GND
VIN
VOUT
RT9173B
2.5V
3.3V
1.25V
C
OUT
I
L
V
OUT
V
A
Power Supply
with Current Limit
VCNTL
REFEN
GND
VIN
VOUT
RT9173B
3.3V
2.5V
C
OUT
V
OUT
V
R
L
1.25V
0V
R
L and COUT
Time deleay
1.25V
0.2V
V
OUT
V
REFEN
V
OUT would be low if VREFEN < 0.2V
V
OUT would be high if VREFEN > 0.6V



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