APX803L05-50SA-7

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Simple Reset/Power-On Reset
Number of Voltages Monitored:	1
Output:	Open Drain or Open Collector
Reset:	Active Low
Reset Timeout:	35 ms Minimum
Voltage - Threshold:	5V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23

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Introduction to APX803L05-50SA-7

The APX803L05-50SA-7 is an integrated, low quiescent current, multiple-output PMIC (power management integrated circuit). This PMIC comes with a two-stage power-on reset circuit, a rated output voltage accuracy of +-2%, an operating temperature range of -40 to +85°C, and an output current rating of 55mA. It is designed to systematically monitor and protect power supplies and subsystems, helping the designer to achieve greater system reliability, availability, and safety.The APX803L05-50SA-7 belongs to the PMIC - Supervisors category, meaning it consists of dedicated circuitry to ensure reliable loop control and overall system power management. Supervisors must also provide actionable information to the CPU (central processing unit) in the event of an abnormal power-supply condition, such as an over- or under-voltage or current level.

APX803L05-50SA-7 Application Field

The APX803L05-50SA-7 is suitable for use in wide range of applications, such as communications, digital signal processing systems, Internet of Things (IoT) systems, medical equipment, automotive systems, and industrial control systems.In communications systems, this PMIC provides multiple voltage outputs and a wide operating temperature range (which allows it to function reliably at high ambient temperatures), as well as a low quiescent current. This low quiescent current is important because it ensures that the power supply will not consume excess power, reducing operational costs.The APX803L05-50SA-7 is also suitable for use in digital signal processing (DSP) systems, as it offers low quiescent current and precise voltage regulation. This makes it ideal for systems such as wireless appliances, wireline base stations, and broadband access systems, which require stable and reliable power sup-plies to process their digital signals.In addition, the APX803L05-50SA-7 is well-suited for industrial control systems, as it offers the precise voltage regulation necessary for controlling and monitoring hazardous applications, as well as its low quiescent current which helps conserve energy.Finally, its wide operating temperature range makes it suitable for use in medical equipment, automotive systems, and IoT systems, making it a great choice for any of these applications.

APX803L05-50SA-7 Working Principle

The APX803L05-50SA-7 employs a two-stage power-on reset circuit which monitors and controls the power-up process, notifying the CPU of any abnormal conditions occurring during the power-on operation. The first stage monitors and compares the supply voltage to the reference voltage, and the second stage monitors and compares the output voltage to the second reference voltage. If the monitored values are within range, the reset input is opened and the power-on sequence proceeds.In addition, the APX803L05-50SA-7 also uses a voltage tracking technique to adjust the voltage of the outputs in order to maintain a precise voltage level. This mechanism continuously compares the voltage of the outputs to a reference voltage and adjusts the output voltage accordingly.

Conclusion

The APX803L05-50SA-7 is an integrated multiple-output PMIC designed for use in a wide range of applications. It belongs to the PMIC - Supervisors category and comes with a two-stage power-on reset circuit and a precise voltage regulation capability. Its wide operating temperature range, combined with its low quiescent current, make it ideal for communications, digital signal processing, industrial control, medical equipment, automotive, and IoT systems.

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