RT9166 View Datasheet(PDF) - Richtek Technology
Part Name
Description
Manufacturer
RT9166 Datasheet PDF : 15 Pages
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RT9166/A
1
2
3
VOUT GND VIN
(TAB)
SOT-89
1
2
3
GND VIN VOUT
(TAB)
SOT-89 (L-Type)
Typical Application Circuit
VIN
CIN
1uF
1
2
3
VOUT GND VIN
(TAB)
SOT-223
1
2
3
GND VIN VOUT
(TAB)
SOT-223 (L-Type)
RT9166/A
VIN
VOUT
GND
VOUT
COUT
1uF
123
GND
VOUT
VIN
TO-252
Note: To prevent oscillation, a 1μF minimum X7R or X5R dielectric is strongly recommended if ceramics are
used as input/output capacitors. When using the Y5V dielectric, the minimum value of the input/output
capacitance that can be used for stable over full operating temperature range is 3.3μF. (see Application
Information Section for further details)
Functional Pin Description
Pin Name
Pin Function
VIN
Supply Input
VOUT
Regulator Output
GND
Common Ground
Function Block Diagram
VIN
VOUT
Current
Limiting
Sensor
Error
Amplifier
-
Thermal
Shutdown
1.2V
Reference
GND
www.richtek.com
2
DS9166/A-19 April 2008
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