XC6121E538ER-G

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Watchdog Circuit
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	400 ms Typical
Voltage - Threshold:	3.8V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	6-UFDFN Exposed Pad
Supplier Device Package:	6-USPC (1.8x2)

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XC6121E538ER-G is a voltage supervisor IC (Integrated circuit) and belongs to PMIC (Power Management Integrated Circuit) – supervisors. It is an efficient and highly reliable product for various kinds of applications.XC6121E538ER-G has various application fields with the main goal of voltage stability. These applications include:

• Battery-powered systems
• Embedded systems
• Automotive, industrial and consumer applications
• PC-cards and smart cards applications
• Mobile communications and wireless applications

XC6121E538ER-G provides improved RDS (on) and low quiescent current, enabling its application in low power products. It is also suitable for applications such as USB power manager, TV out modules, PDAs and portable applications.XC6121E538ER-G comes with several features as mentioned below:

• It is a small and low-cost voltage supervisor IC.
• It has low quiescent current, Max. 3uA.
• It has low supply voltage operation, down to 1.8V.
• It has 3.3V output with active low reset signal.
• It has enable input with hysteresis for ON/OFF control.
• It has wide operating temperature range, -40 to 85 degree Celsius.
• It has inaccuracy at power supply, 0.55V.

XC6121E538ER-G has an enable input and an open-drain output. The input is used to enable and disable the voltage supervisor. When enabled, the IC monitors the voltage of the power supply and activates the reset output when the supply voltage drops below a certain threshold. When the reset output is activated, it disables the enable input for safety purposes.When the enable input is disabled the IC is in active standby mode, reducing the power consumption. When the power supply voltage increases back to the specified value, the voltage supervisor IC reactivates the enable input and the device resumes normal operation.To conclude, XC6121E538ER-G is a small, low-cost voltage supervisor device belonging to PMIC - Supervisors. This IC has various application fields requiring voltage stability. It has low quiescent current, low supply voltage operation and a wide operating temperature range. In terms of working principle, the device has an enable input and an open-drain output, working in the way of remembering the voltage of the power supply and activating the reset output when it drops below a certain threshold.

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