AP1703CWL-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Push-Pull, Totem Pole
Reset:	Active Low
Reset Timeout:	100 ms Minimum
Voltage - Threshold:	4V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SC-59-3
Base Part Number:	AP1703

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Introduction

PMIC - Supervisors, such as AP1703CWL-7, include several subcategories such as voltage monitor, system reset, and watchdog timer. These components are used to monitor the power system of a microprocessor-based system. Supervisors can help ensure proper system startup and operation and provide protection against overvoltage and brown-out condition.

Application field and Working Principle

The AP1703CWL-7 is a voltage monitor designed to detect and alert system designers to a variety of overvoltage and undervoltage conditions. It is designed to protect microcontrollers or other integrated circuits from low voltage, over voltage and transient voltage failures. It has a threshold range from 0.6 V to 13 V and can be set to work at different voltages.The AP1703CWL-7 monitors VDD voltage and compares it with user defined voltage level. If the voltage drops lower than the user set voltage level, the voltage monitor will take corrective action such as issue a system reset or issue a warning. The AP1703CWL-7 can be configured to work in different ways depending on the application requirements.The system reset feature of the AP1703CWL-7 is used to reset the system whenever there is an overvoltage condition. In this case, the system reset can be triggered when the voltage level exceeds a predetermined voltage set by the user. Additionally, the voltage monitor can be configured to delay the system reset for some time before it takes action. This delay can be programmed in the microcontroller or by external resistors.Watchdog timer is another feature that can be implemented using the AP1703CWL-7. The watchdog timer can be configured to reset the system after a preset-timer period, and can be used to detect system failure and recycling the system without human intervention.

Conclusion

In conclusion, the AP1703CWL-7 is a PMIC - Supervisors component that can be used to detect and alert system designers to a variety of overvoltage and undervoltage conditions. It has a threshold range from 0.6 V to 13 V and can be set to work at different voltages. Additionally, the system reset, and watchdog timer features of the AP1703CWL-7 can provide further protection of the microprocessor-base systems.

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