RT9818C-27GU3 Richtek USA Inc, RT9818C-27GU3 Datasheet - Page 2

• Manufacturer Part Number: RT9818C-27GU3
• Description: IC VOLT DETECTOR 2.7V SC70-3
• Manufacturer: Richtek USA Inc
• Type: Simple Reset/Power-On Resetr

Specifications of RT9818C-27GU3

• Number Of Voltages Monitored: 1
• Output: Open Drain or Open Collector
• Reset: Active Low
• Reset Timeout: 143 ms Minimum
• Voltage - Threshold: 2.7V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SC-70, SOT-323
• 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