RT9819 RICHTEK [Richtek Technology Corporation], RT9819 Datasheet - Page 2

• Manufacturer Part Number: RT9819
• Description: Micro-Power Voltage Detectors
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9819
Pin Configurations
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.
Functional Pin Description
Function Block Diagram
www.richtek.com
2
Pin Name
GND
RESET
VDD
RESET
GND
1
SC-70-3
VDD
3
RESET/
RESET
2
Pin Function
Ground
Active Low Push-Pull Reset Output
Active High Push-Pull Reset Output
Power Pin
RESET/
RESET
GND
4
1
SC-82
Voltage Setting
VDD
Threshold
NC
2
3
VSET
VDD
Power On Reset
RESET/
RESET
SC-82 (R-Type)
VDD
CMP
(TOP VIEW)
POR
4
1
GND
Timer
NC
2
3
VDD
GND
N MOS
P MOS
1
SOT-23-3
VDD
3
RESET/
RESET
RESET/
RESET
2
DS9819-05 August 2007
SOT-23-3 (L-Type)
RESET/
RESET
1
VDD
3
GND
2