RT9173D Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT9173D Datasheet PDF : 13 Pages
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RT9173D
Typical Application Circuit
VCNTL = 3.3V
VIN = 2.5V/1.8V/1.5V
2N7002
EN
RTT
R1
VIN
VCNTL
CIN CCNTL
RT9173D
REFEN
VOUT
R2
CSS
GND
COUT
GND
R1 = R2 = 100kΩ, RTT = 50Ω / 33Ω / 25Ω
COUT(MIN) = 10μF (Ceramic) + 1000μF under the worst case testing condition
CSS = 1μF, CIN = 470μF (Low ESR), CCNTL = 47μF
Test Circuit
2.5V/1.8V/1.5V 3.3V
1.25V/0.9V/0.75V
VIN
VCNTL
RT9173D
REFEN
VOUT
GND
VOUT
Figure 1. Test Circuit for Typical Operating Characteristics Curves
www.richtek.com
2
DS9173D-05 September 2007
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