點晶科技股份有限公司
SILICON TOUCH TECHNOLOGY INC.
PS121
Function Diagram
+5V INPUT
VOLTAGE
4.3
4.3-Vhy
t
t
PG
OUTPUT
td
td
Pin Descriptions
TO-93
Pin No
PIN NAME
Descriptions
1
2
3
4
PG
+5V(VDD)
Cd
Power good output signal pin
+5V(VDD) input pin
External capacitor for PG delay
Ground
VSS
SOT-26
Pin No
PIN NAME
NC
Descriptions
1
2
3
4
5
6
NO connect
VSS
Ground
PG
Power good output signal pin
+5V(VDD) input pin
External capacitor for PG delay
NO connect
+5V(VDD)
Cd
NC
Voltage Detecting IC
-2-
Version:A.017