RT9818 RICHTEK [Richtek Technology Corporation], RT9818 Datasheet - Page 2

• Manufacturer Part Number: RT9818
• Description: Micro-Power Voltage Detectors
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9818
Pin Configurations
Functional Pin Description
Function Block Diagram
www.richtek.com
2
RESET/
Pin Name
GND
RESET
VDD
RESET
RESET
GND
RESET/
RESET
4
1
NC
SC-82
5
1
SOT-23-5
VDD
VDD
2
NC
2
3
GND
Pin Function
Ground
Active Low Open-Drain Reset Output
Active High Open-Drain Reset Output
Power Pin
NC
4
3
RESET/
RESET
SC-82 (R-Type)
VDD
4
1
RESET/
RESET
Voltage Setting
Threshold
GND
1
VSET
NC
2
3
SOT-89
VDD
2
VDD
GND
Power On Reset
3
CMP
POR
GND
1
(TOP VIEW)
SC-70-3
VDD
3
RESET/
Timer
RESET
2
Note : There is no pin1 indicator on top mark for SC-82 type,
and pin 1 will be lower left pin when reading top mark from
left to right. Pin2 of SC-82 is wider than other pins.
N MOS
RESET/
RESET
1
SOT-23-3
VDD
RESET/
GND
RESET
3
GND
2
DS9818-05 March 2007
SOT-23-3 (L-Type)
GND
1
VDD
3
RESET/
RESET
2