XC6109C08ANL TOREX [Torex Semiconductor], XC6109C08ANL Datasheet - Page 9

• Manufacturer Part Number: XC6109C08ANL
• Description: Voltage Detector with Delay Type Capacitor
• Manufacturer: TOREX [Torex Semiconductor]

■NOTES ON USE
Figure 3: Circuit example with the delay capacitance pin
(Cd) connected to a schottky barrier diode
1. Use this IC within the stated maximum ratings. Operation beyond these limits may cause degrading or permanent
2. The input pin voltage drops by the resistance between power supply and the V
3. Note that a rapid and high fluctuation of the input pin voltage may cause a wrong operation.
4. When there is a possibility of which the input pin voltage falls rapidly (e.g.: 6.0V to 0V) at release operation with the
5.
Therefore, pull-up resistance should be selected 25kΩ or below.
damage to the device.
delay capacitance pin (Cd) connected to a capacitor, use a schottky barrier diode connected between the V
the Cd pin as the Figure 3 shown below.
operation of the IC. At this time, the operation may be wrong if the input pin voltage falls below the minimum operating
voltage range. In CMOS output, for output current, drops in the input pin voltage similarly occur. Oscillation of the
circuit may occur if the drops in voltage, which caused by through current at operation of the IC, exceed the hysteresis
voltage. Note it especially when you use the IC with the V
During detection, the formula is given as
characteristics table).
For example, when V
Vpull=3.0V, Rpull can be calculated as follows;
Therefore, pull-up resistance should be selected 18kΩ or higher.
During release, the formula is given as
electrical characteristics table)
When N-ch open drain output is used, output voltages V
pull-up resistor tied to the output pin. A resistance value of the pull-up resistor can be selected with referring to the
followings. (Refer to Figure 4)
For examples, if you want to get V
where Vpull is pull-up voltage and R
where Vpull is pull-up voltage Roff is OFF resistance of N-ch driver M5 (Roff=V
Rpull=(Vpull /V
(*1) V
(*2) For the calculation, the lowest V
IN
V
OUT
is smaller, R
V
Rpull=(Vpull/V
IN
OUT
=2.0V (*2), R
=Vpull/(1+Rpull/R
=Vpull/(1+Rpull/Roff)
OUT
-1)×R
ON
OUT
OUT
is bigger
ON
ON
=(3/0.1-1)×625≒18ｋΩ
larger than 5.99V when Vpull is 6.0V, Rpull can be calculated as follows;
-1)×Roff=(6/5.99-1)×15×10
= 0.5/0.8×10
ON
ON
(No resistor needed
for CMOS output
products)
)
(*1) is ON resistance of N-ch driver M5 (R
IN
should be used among of the V
-3
=625Ω(MIN.) and if you want to get V
IN
OUT
pin connected to a resistor.
at voltage detection and release are determined by a
Figure 4: Circuit example of
6
≒25kΩ
Note: Roff=V
IN
IN
range
pin, and by through current at
ON
=V
OUT
OUT
DS
OUT
/I
/I
LEAK
/I
XC6109N Series
OUT1
LEAK
less than 0.1V when
from the electrical
=15MΩ from the
IN
XC6109
pin and
Series
9/14