RT9161A-18GX Richtek USA Inc, RT9161A-18GX Datasheet - Page 2

• Manufacturer Part Number: RT9161A-18GX
• Description: IC REG LDO 1.8V 500MA SOT89
• Manufacturer: Richtek USA Inc

Specifications of RT9161A-18GX

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.8V
• Voltage - Input: Up to 12V
• Voltage - Dropout (typical): 0.75V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA (Max)
• Current - Limit (min): 500mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TO-243AA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

RT9161/A
Typical Application Circuit
Functional Pin Description
Function Block Diagram
www.richtek.com
2
Pin Name
VOUT
GND
VIN
3
2
1
Power Input.
Pin Function
Output Voltage.
Ground.
TO-92 (L-Type)
VIN
V
IN
C
1uF
IN
VOUT
GND
VIN
Shutdown
Thermal
Current
Limiting
Sensor
VIN
RT9161/A
GND
VOUT
Reference
Error Amp
1.2V
-
C
Electrolytic
10uF
3
2
1
OUT
V
OUT
TO-92 (T-Type)
VOUT
GND
DS9161/A-34 April 2010
VOUT
VIN
GND