X5648S14-2.7A

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	2.93V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	14-SOIC
Base Part Number:	X5648

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Introduction

The X5648S14-2.7A is a monitor, supervisor and protections IC for linear and switch mode power supplies. This product has many fields of applications, ranging from PFC stage in Power supplies, DC-DC converters, microprocessor systems and LDO regulator supply lines. It also has an integrated watchdog timer and precision comparator and reference. In this article, we will discuss the application fields and working principle of the X5648S14-2.7A device.

Applications

The X5648S14-2.7A can be used in linear and switch mode power supplies, DC-DC converters, microprocessor system, and LDO regulator supply lines. It can also be used in industrial equipment, automotive systems, and medical systems.

• Linear Power Supplies: This product can be used to monitor, supervise, and protect a linear power supply’s output. It can also provide power-good and power-fail signals by monitoring and comparing the actual output voltage and the nominal value.
• Switch Mode Power Supplies: The X5648S14-2.7A can be used to monitor, supervise, and protect switch mode power supplies. It offers the same power-good and power-fail signals, as well as over-voltage protection, under-voltage protection, and short-circuit protection.
• DC-DC Converters: This product can be used to monitor and supervise the output voltage of a DC-DC converter. Additionally, it can provide over-voltage protection and under-voltage protection.
• Microprocessor Systems: The X5648S14-2.7A can be used to monitor the supply voltage of the microprocessor and provide power-good and power-fail signals. It can also be used to generate a reset signal when there is a power-fail condition.
• LDO Regulator Supply Lines: This product can be used to monitor and supervise the output voltage of an LDO regulator supply line. Additionally, it can provide over-voltage protection, under-voltage protection, and short-circuit protection.

Features

The X5648S14-2.7A includes several features that contribute to its effectiveness in power supply, DC-DC converter, microprocessor system and LDO regulator supply line applications:

• High accuracy: It has a high accuracy rating of 2.7V, making it ideal for monitoring high power supplies such as switch mode power supplies.
• Wide input voltage range: The X5648S14-2.7A has a wide input voltage range of 2.7V to 22V, making it suitable for a variety of applications.
• Integrated watchdog timer: The device includes an integrated watchdog timer, which can be used to detect system issues and generate a reset signal if the issue is not resolved.
• Integrated precision comparator and reference: It includes an integrated precision comparator and reference, which can be used to monitor and supervise the output voltage of a power supply or line.
• Power-good and power-fail signals: The device can provide power-good and power-fail signals based on comparisons between the actual output voltage and the nominal value.
• Over-voltage and under-voltage protection: The device can provide protection for both over-voltage and under-voltage conditions.
• Short-circuit protection: The device can also provide protection against short-circuit conditions.

Working Principle

The X5648S14-2.7A uses a precision comparator and reference to monitor and supervise the power supply output voltage. When the output voltage is above or below the pre-set voltage, the device will provide power-good and power-fail signals respectively. Additionally, it has over-voltage, under-voltage, and short-circuit protection, which will prevent permanent damage to the system. An integrated watchdog timer is also included, which will detect system issues and generate a reset signal if the issue is not resolved.

Conclusion

In summary, the X5648S14-2.7A is a monitor, supervisor, and protection IC for linear and switch mode power supplies. It can be used to monitor, supervise, and protect the output of power supplies, DC-DC converters, microprocessor systems, and LDO regulator supply lines. It features a high accuracy rating of 2.7V, a wide input voltage range of 2.7V to 22V, and power-good and power-fail signals. Additionally, it has over-voltage, under-voltage, and short-circuit protection. An integrated watchdog timer is also included, which can detect system issues and generate a reset signal.

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