XC61F_2 TOREX [Torex Semiconductor], XC61F_2 Datasheet - Page 6

• Manufacturer Part Number: XC61F_2
• Description: Voltage Detectors, Delay Circuit Built-In
• Manufacturer: TOREX [Torex Semiconductor]

6/14
■DIRECTIONS FOR USE
●Notes on Use
●Oscillation Description
2. When a resistor is connected between the V
4. With a resistor connected between the V
1. Please use this IC within the stated maximum ratings. The IC is liable to malfunction should the ratings be exceeded.
3. When a resistor is connected between the V
5. If a resistor (R
(1) Oscillation as a result of output current with the CMOS output configuration:
(2) Oscillation as a result of through current:
XC61F
and release voltages will rise due to voltage drops at R
occur as a result of voltage drops at R
(refer to Oscillation Description (1) below)
supply current flowing through the V
the occurrences of oscillation as described above.
Further, please ensure that R
output configurations, oscillation may occur as a result of through current at the time of voltage release even if load
current (I
Since the XC61F series are CMOS IC
When the voltage applied at IN rises, release operations commence and the detector's output voltage increases. Load
Oscillation may occur with this " release - detect - release " repetition.
Further, this condition will also appear via means of a similar mechanism during detect operations.
(during release and detect operations). Consequently, oscillation is liable to occur during release voltage operations
as a result of output current which is influenced by this through current (Figure 3).
Since hysteresis exists during detect operations, oscillation is unlikely to occur.
current (I
between the input (IN) and the V
a fall in the voltage level at the V
operations will commence. Following detect operations, load current flow will cease and since voltage drop at R
disappear, the voltage level at the V
OUT
Figure 1. When using an input resistor
OUT
) does not exist. (refer to Oscillation Description (2) below)
IN
) will flow through R
) must be used, then please use with as small a level of input impedance as possible in order to control
Series
IN
is less than 10kΩ and that C
IN
IN
L
IN
pin, the load current will flow via the IC's V
. Because a voltage drop (R
IN
IN
pin.
pin. When the V
if load current (I
pin will rise and release operations will begin over again.
IN
S
, through current will flow when the IC's internal circuit switching operates
pin and the input, detect and release voltage will rise as a result of the IC's
IN
IN
pin and the input with CMOS output configurations, irrespective of N-ch
pin and the input with CMOS output configurations, oscillation may
IN
OUT
IN
brought about by the IC's supply current.
pin voltage level falls below the detect voltage level, detect
) exists. It is therefore recommend that no resistor be added.
IN
is more than 0.1μF (Figure 1). In such cases, detect
IN
x I
OUT
) is produced at the R
IN
pin. The voltage drop will also lead to
IN
resistor, located
IN
will