RT9185 RICHTEK [Richtek Technology Corporation], RT9185 Datasheet - Page 2

• Manufacturer Part Number: RT9185
• Description: Triple, Ultra-Fast CMOS LDO Regulator
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9185
Typical Application Circuit
Function Block Diagram
Functional Pin Description
www.richtek.com
2
Pin Name
VOUT1
VDD
GND
VOUT2
VOUT3
VOUT3
GND
Pin Function
Channel 1 Output Voltage
Supply Input
Common Ground
Channel 2 Output Voltage
Channel 3 Output Voltage
V
OUT1
VDD
(3.35V/1.5A)
V
DD
(5VSB)
+
-
Limiting
Current
2.2uF
4.7uF
C1
Amplifier
C2
Reference
Error
Thermal
Sensor
VOUT1
VDD
-
+
RT9185
GND
VOUT3
VOUT2
-
+
-
+
Amplifier
Amplifier
Error
Error
4.7uF
C3
C4
1uF
Current
Limiting
Current
Limiting
V
V
+
-
+
-
OUT3
OUT2
(1.5V or 1.8V/0.3A)
(2.55V/0.8A)
VDD
DS9185-11 March 2007
VDD
VOUT1
VOUT2