RT9818C-20GV Richtek USA Inc, RT9818C-20GV Datasheet - Page 2
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RT9818C-20GV
Manufacturer Part Number
RT9818C-20GV
Description
IC VOLT DETECTOR 2.0V SOT23-3
Manufacturer
Richtek USA Inc
Type
Simple Reset/Power-On Resetr
Datasheet
1.RT9818A-13GU3.pdf
(14 pages)
Specifications of RT9818C-20GV
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active Low
Reset Timeout
143 ms Minimum
Voltage - Threshold
2V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
TO-236-3, SC-59, SOT-23-3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
RT9818
Pin Configurations
Functional Pin Description
Function Block Diagram
Timing Diagram
www.richtek.com
2
GND
RESET
RESET
VDD
Pin Name
RESET/
RESET
SOT-23-3
VDD
3
GND
Ground
Active Low Open-Drain Reset Output
Active High Open-Drain Reset Output
Power Pin
2
RESET/
RESET
GND
Pin Function
4
SC-82
SOT-23-3 (L-Type)
Voltage Setting
VDD
GND
NC
Threshold
2
3
VSET
VDD
3
RESET/
RESET
VDD
2
Power On Reset
CMP
POR
(TOP VIEW)
SC-82 (R-Type)
RESET/
RESET
VDD
4
Timer
GND
NC
2
RESET/
RESET
3
NC
SOT-23-5
5
Delay Time (0, 55, 220, 450ms)
Delay Time (0, 55, 220, 450ms)
VDD GND
V
V
0V
V
0V
V
0V
2
DD
TH
RESET
RESET
NC
N MOS
4
3
GND
SC-70-3
RESET/
GND
RESET
VDD
3
RESET/
RESET
2
RESET/
DS9818-09 April 2011
RESET
1
SOT-89
VDD
2
GND
3