APX803L20-47SA-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:	143 ms Minimum
Voltage - Threshold:	4.7V
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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APX803L20-47SA-7 is an advanced, low noise and low power Supervisory Circuit. It is used for a variety of applications such as precision voltage regulation, power management, monitoring and over voltage protection etc. It is mainly used in consumer electronics and industrial / automotive applications such as LCD TV, LED backlight controller and electrical motor control systems.The APX803L20-47SA-7 integrates various critical functions in order to provide the efficient performance and high reliability required in today\'s consumer electronics and industrial applications. It includes a Voltage Detector with a 0.8V to 5.3V adjustable threshold accuracy up to ±3.3%, a voltage protection circuitry with built-in delay timer and programmable thresholds, and a Low Dropout Regulator (LDO) with adjustable output voltage from 0.8V to 5.3V.The APX803L20-47SA-7 supervisor can be used for a variety of applications such as:

• Over voltage protection for Digital TV Panel or LCD backlight
• Power-on reset for digital processor and troubleshooting
• Programmable timings and delay together with manual reset input
• Over temperature monitoring of electrical motors
• System power supply monitoring and protection
• Wrong position or defective connection detection

The APX803L20-47SA-7 can be incorporated into a variety of circuit designs depending on the specific application requirements. The design of the chip consists of two main components: a High Voltage Detector (HVD) and a Low Dropout Regulator (LDO).The core of the HVD is a comparator which senses the input voltage and compares it to the internal programmed threshold. If the threshold is exceeded, the chip will generate a logic high signal which indicates that an over voltage condition is present. This signal can be used to generate an appropriate response. For example, in a power supply application it can be used to shut down the supply in order to prevent further damage.The LDO is the second component of the APX803L20-47SA-7 supervisor circuit. It is used to provide a regulated output voltage, regardless of the input supply voltage fluctuations. The output voltage can be programmed to match the required application, and has a tolerance as low as ±3.3%. It also includes overvoltage, overcurrent, and short circuit protection, which ensures high reliability and robustness in the design.Finally, the APX803L20-47SA-7 also includes a timer circuit, which can be configured to provide additional delay when an overvoltage condition is detected. This ensures that the system is not shut down too quickly and gives time to react to the overvoltage situation.Overall, the APX803L20-47SA-7 is an ideal choice for a variety of applications which require precision voltage regulation, monitoring, power management, and overvoltage protection. The chip provides superior performance, highest reliability, and low power consumption, hence making it suitable for use in a wide range of consumer electronics and industrial / automotive applications.

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