XC6121A250MR TOREX [Torex Semiconductor], XC6121A250MR Datasheet - Page 12

• Manufacturer Part Number: XC6121A250MR
• Description: Voltage Detector with Watchdog Function and ON/OFF Control (VDF=1.6V~5.0V)
• Manufacturer: TOREX [Torex Semiconductor]

12/23
■NOTES ON USE
1. Please use this IC within the stated maximum ratings. Operation beyond these limits may cause degrading or permanent
2. When a resistor is connected between the V
3. In order to stabilize the IC’s operations, please ensure that the V
4. Noise at the power supply may cause a malfunction of the watchdog operation or the voltage detector. In such case,
5. Protecting against a malfunction while the watchdog time out period, an ignoring time (no reaction time) occurs to the rise
6. The EN pin of the XC6121 series is not internally pulled up. When using the watchdog function, please drive the EN pin in
XC6121/XC6122/XC6123/XC6124
damage to the device.
malfunction may occur as a result of the IC’s through current.
1 μ s/V.
please strength the line between V
the GND pin.
and fall times. Referring to the figure below, the ignoring time (no reaction time) lasts for 900μs at maximum.
high level. The EN pin of the XC6122 series is internally pulled up. The watchdog function can be used even the EN pin
left open. The ENB pin of the XC6123 series is not internally pulled down. When using the watchdog function, please
drive the ENB pin in low level. The ENB pin of the XC6124 series is internally pulled up. The watchdog function can be
used even the ENB pin left open.
IN
and the GND pin and connect about 0.22μF of a capacitor between the V
IN
pin and the input, the V
Series
IN
pin’s input frequency’s rise and fall times are more than
IN
voltage drops while the IC is operating and a
IN
pin and