XC6118 TOREX [Torex Semiconductor], XC6118 Datasheet - Page 11

• Manufacturer Part Number: XC6118
• Description: Voltage Detector with Separated Sense Pin & Delay Capacitor Pin
• Manufacturer: TOREX [Torex Semiconductor]

① As an early state, the sense pin is applied sufficiently high voltage (6.0V MAX.) and the delay capacitance (Cd) is charged
② When the sense pin voltage keeps dropping and becomes equal to the detect voltage (V
③ While the sense pin voltage keeps below the detect voltage, the delay capacitance (Cd) is discharged to the ground voltage
■OPERATIONAL EXPLANATION
* If a pull-up resistor of the XC6118N series (N-ch open drain) is connected to added power supply different from the input
A typical circuit example is shown in Figure 1, and the timing chart of Figure 1 is shown in Figure 2.
to the power supply input voltage, (V
reach the detect voltage (V
voltage pin, the “High” level will be a voltage value where the pull-up resistor is connected.
for the delay capacitance (Cd) discharge is turned ON, and starts to discharge the delay capacitance (Cd). An inverter
(Inv
The detect delay time [t
Cd pin is not connected: t
(=V
release voltage (V
SS
.
1) operates as a comparator of the reference voltage V
) level. Then, the output voltage maintains the “Low” level while the sense pin voltage increases again to reach the
SEN
< V
DF
] is defined as time which ranges from V
DF
DF0
DF
).
+V
) (V
HYS
SEN
Figure 2: The timing chart of Figure 1
Figure 1: Typical application circuit example
).
>V
IN
DF
: 1.0V MIN., 6.0V MAX.). While the sense pin voltage (V
), the output voltage (V
IN
, and the output voltage changes into the “Low” level (=V
OUT
SEN
) keeps the “High” level (=V
=V
DF
to the V
Delay Capacitance Pin Voltage: V
Delay Capacitance Pin Threshold Voltage: V
Output Voltage Pin Voltage: V
Sense Pin Voltage: V
Release Voltage: V
Detect Voltage: V
OUT
of “Low” level (especially, when the
SEN
*The XC6118N series (N-ch open
drain output) requires a pull-up
resistor for pulling up output.
=V
DF
IN
DF
), an N-ch transistor (M1)
).
DF
SE
SEN
+V
N
HYS
(MIN.:0V MAX.:6.0V)
) starts dropping to
OUT
(MIN.:V
CD
XC6118
(MIN.:V
11/20
Series
SS
SS
SS,
MAX:V
TCD
).
MAX.:V
IN
)
IN
)