AP7343D-34FS4-7B

Voltage Dropout (Max):	0.29V @ 300mA
Supplier Device Package:	X2-DFN1010-4
Package / Case:	4-XDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Protection Features:	Over Current
Control Features:	Enable
PSRR:	75dB (1kHz)
Current - Quiescent (Iq):	60µA
Current - Output:	300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	3.4V
Voltage - Input (Max):	5.25V
Number of Regulators:	1
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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AP7343D-34FS4-7B: The Voltage Regulator

Voltage regulators are essential for controlling electric circuits in the modern world, and AP7343D-34FS4-7B stands out from the rest as a high-performance output product within the linear regulator variety. This particular linear voltage regulator supplies a high-level output, with a low-level input up to 34 VDC. This makes it a popular choice for most circuit projects, where a constant voltage source is required.

What It Does

AP7343D-34FS4-7B is a linear voltage regulator, meaning it maintains a continuously regulated voltage by controlling the current flow. Part of its function is to ensure that current is provided at the exact voltage specified. This is done by adjusting the output current to make up for any variation in the input or load current, in order to maintain a steady voltage across the load.

Application Field

Due to its excellent performance, AP7343D-34FS4-7B is suitable for many applications, including switching power supplies, battery chargers, industrial and communications equipment, new energy vehicles and so on. Moreover, its 4 A current capability allows for controlling a wide variety of voltage sources.For example, if you have a set of circuit boards that require a steady voltage of 24 VDC to function, the AP7343D-34FS4-7B can be connected to a battery to supply the voltage. In this case, the AP7343D-34FS4-7B is able to supply the necessary 24 VDC without any output or load variations.

Working Principle

The AP7343D-34FS4-7B utilizes a voltage regulation principle based on feedback control. The regulator works by monitoring the output voltage and adjusting the input current and output current to ensure that the output voltage stays within a specified range. The basics of the feedback control system is a voltage regulator circuit. This circuit is comprised of an input, output and feedback circuit components, which are responsible for monitoring the output voltage. The voltage is monitored by the feedback circuit which is responsible for maintaining the output voltage. The voltage regulator then analyses the voltage signal and sends a control signal to the input, to adjust the current flow. So, as the output voltage changes, the input current increases or decreases in order to keep the output voltage within the required range.

Conclusion

AP7343D-34FS4-7B is one of the top-performing linear voltage regulators available for most types of circuits. With its high-level output, low-level input and 4 A current capability, AP7343D-34FS4-7B is the perfect regulator for a range of applications, delivering steady and continuous voltage with minimal fluctuations.

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