RT9166-28GXL Richtek USA Inc, RT9166-28GXL Datasheet - Page 2
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RT9166-28GXL
Manufacturer Part Number
RT9166-28GXL
Description
IC REG LDO 2.8V 300MA SOT89
Manufacturer
Richtek USA Inc
Datasheet
1.RT9166-12GVL.pdf
(15 pages)
Specifications of RT9166-28GXL
Regulator Topology
Positive Fixed
Voltage - Output
2.8V
Voltage - Input
Up to 5.5V
Voltage - Dropout (typical)
0.23V @ 300mA
Number Of Regulators
1
Current - Output
300mA (Max)
Current - Limit (min)
300mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
TO-243AA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
RT9166/A
Typical Application Circuit
Note: To prevent oscillation, a 1μ μ μ μ μ F minimum X7R or X5R dielectric is strongly recommended if ceramics are
Function Block Diagram
www.richtek.com
2
Functional Pin Description
VIN
VOUT
GND
VOUT
Pin Name
1
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 3.3μ μ μ μ μ F. (see Application
Information Section for further details)
SOT-89
(TAB)
GND
2
VIN
Supply Input.
Regulator Output.
Common Ground.
3
VIN
GND
SOT-89 (L-Type)
Pin Function
1
(TAB)
VIN
2
V
IN
VOUT
C
1uF
IN
3
Shutdown
Thermal
Current
Limiting
Sensor
VOUT
VIN
1
RT9166/A
SOT-223
GND
(TAB)
GND
2
VOUT
Reference
VIN
Amplifier
3
1.2V
Error
-
C
1uF
OUT
GND
SOT-223 (L-Type)
1
V
OUT
(TAB)
VIN
2
VOUT
VOUT
GND
3
DS9166/A-21 April 2010
VOUT
1
TO-252
GND
2
VIN
3