AP7343D-16W5-7

Voltage Dropout (Max):	0.44V @ 300mA
Supplier Device Package:	SOT-25
Package / Case:	SC-74A, SOT-753
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):	1.6V
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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IntroductionThe AP7343D-16W5-7 is a linear voltage regulator manufactured by Broadcom. It is a low-noise, high-performance regulator that provides excellent output voltage stability and a low ground current. The AP7343D-16W5-7 is designed to deliver high performance in a wide range of operating conditions, and is designed to meet the requirements of a variety of systems and applications. Application Fields The AP7343D-16W5-7 is widely used in a variety of applications due to its high performance, low noise, and low ground current. It is used in systems that require regulated voltages and currents, such as switched-mode power supplies, DC/DC converters, automotive power management systems, and industrial systems. The AP7343D-16W5-7 can also be used in a variety of other applications, such as telecommunications, instrumentation, medical, and consumer electronics. It is especially well suited for precision power supplies, where high performance and noise-free operation are essential.Working PrincipleThe working principle of the AP7343D-16W5-7 is based on the concept of linear voltage regulation. This type of regulation takes advantage of the voltage divider principle, whereby two resistors are connected in series to divide the input voltage between them. The output voltage is then controlled by adjusting the relative values of the two resistors.In the case of the AP7343D-16W5-7, the output voltage is determined by the feedback loop that cycles between the internal reference voltage and the output voltage. The output voltage is regulated by a proportional gain error amplifier, which works in conjunction with an output transistor connected in series with a current mirror. The error amplifier will adjust the voltage divider so that the output voltage tracks the internal reference voltage as closely as possible.ConclusionThe AP7343D-16W5-7 is a linear voltage regulator that offers superior performance and low-noise operation in a wide range of applications. It is suitable for precision power supplies, automotive systems, industrial systems, medical systems, and telecommunications, among other applications. The output voltage of the regulator is regulated by a feedback loop that cycles between the internal reference voltage and the output voltage. The proportional gain error amplifier is used by the error amplifier to adjust the voltage divider, allowing for high performance and noise-free operation.

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