X4043P-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Part Status:	Obsolete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:	2.92V
Operating Temperature:	0°C ~ 70°C (TA)
Mounting Type:	Through Hole
Package / Case:	8-DIP (0.300", 7.62mm)
Supplier Device Package:	8-PDIP
Base Part Number:	X4043

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X4043P-2.7A Application Field and Working Principle

IntroductionThe X4043P-2.7A is an optimized low-dropout (LDO) type of output regulator. This high-efficiency and highly reliable power management IC (PMIC) was designed specifically for point-of-load ac/dc power supply applications. The X4043P-2.7A has few external components and allows for rapid prototyping and subsequent production. Also, it provides typical output voltage accuracy of better than ± 1% over a wide temperature range and input voltage range of 0.8V (typical) to 12V. It is suitable for a wide variety of applications, including lithium polymer battery-powered electric toys, video game equipment, chargers, portable medical devices and mobile equipment.CategoryPMIC - SupervisorsWorking PrincipleThe X4043P-2.7A provides a constant current output with a low-dropout voltage regulator. It constantly monitors and compares the input voltage with a reference voltage, providing a proportional current and voltage output. The output voltage is regulated despite variations in voltage and current at the input. This makes it very suitable for applications with varying voltage inputs.The X4043P-2.7A is designed to provide a constant output voltage over a wide temperature range and eliminates the need for large external components. It also eliminates the need for a large voltage drop across the regulator. The output voltage is tolerant of input voltage variations, making it suitable for applications where varying input voltage is a concern.The X4043P-2.7A has an adjustable internal switching frequency. This allows for efficient switching of the output voltage with minimal noise and power consumption. It also limits the maximum operating frequency of the power supply to reduce power loss and improve efficiency.Application FieldsThe X4043P-2.7A is equipped with pin definitions specifically for point-of-load (POL) ac/dc power supplies. Its low dropout voltage and low power consumption make it ideal for applications such as mobile phones, digital cameras, and other battery-powered devices. The X4043P-2.7A also has two enable pins, one for active and one for standby operation. This makes it an ideal choice for applications where standby operations require very low power consumption.Additionally, the X4043P-2.7A can be used as a basic driver for industrial applications or home electronic devices, such as an amplifier, fan, or pen plotter. Its low noise and power consumption make it suitable for these applications.ConclusionThe X4043P-2.7A is a low-dropout type of output regulator designed for point-of-load ac/dc power supply applications. It is highly efficient, has an adjustable switching frequency, and requires few external components. The X4043P-2.7A is suitable for a wide variety of applications, including lithium polymer battery-powered electric toys, video game equipment, chargers, portable medical devices and mobile equipment. Additionally, it can be used as a basic driver for industrial applications or home electronic devices.

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