AP7344-3318RH4-7

Voltage Dropout (Max):	0.39V @ 300mA, 0.29V @ 300mA
Supplier Device Package:	X2-DFN1612-8
Package / Case:	8-XFDFN 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):	140µA
Current - Output:	300mA, 300mA
Series:	--
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.8V, 3.3V
Voltage - Input (Max):	5.25V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The AP7344-3318RH4-7 is part of the PMIC series from Texas Instruments. It is a Voltage Regulator - Linear, which is used in various applications and provides a stable and reliable output. The main features of this device include a wide input range of6V to 40V, output voltage range of 5V to 40V, high efficiency and fast transient response. The AP7344-3318RH4-7 is designed to offer reliable performance and is suitable for a wide range of applications including automotive, lighting, industrial, telecom and consumer applications.

Application Field

The AP7344-3318RH4-7 is suitable for a range of applications including automotive, lighting, industrial, telecom, and consumer applications. It is designed to offer a low ripple current with a power dissipation of 600mW. It also has a high efficiency of up to 97%, making it an ideal choice for applications where power efficiency is of crucial importance. It can be used in a wide range of DC/DC buck converters, in which the output voltage of the converter is adjustable. It can also be used for voltage regulation for power supplies and motor control.

Working Principle

The AP7344-3318RH4-7 has a typical operating temperature range of -40°C to 85°C. It has a fast transient response and a high power efficiency of up to 97%. The device has a wide input voltage range of 6V to 40V and an adjustable output voltage range of 5V to 40V. The AP7344-3318RH4-7 is designed with an external voltage divider circuit comprising two resistors connected in series, one connected to the input voltage (Vin) and the other connected to the output voltage (Vout). The voltage divider circuit works by feeding a fraction of the input voltage to the output voltage and as the voltage at the output changes, the voltage at the input changes in the same proportion. This allows the output voltage to be precisely controlled.The AP7344-3318RH4-7 is designed with the architecture of a linear voltage regulator. It uses an N-channel MOSFET as the main switch, which is controlled by an internal reference voltage. The operating principle of the linear regulator is simple: it maintains a constant output voltage by regulating the current flow through the MOSFET. As the output voltage increases, the reference voltage decreases and the current flow through the MOSFET is reduced, thus reducing the output voltage.

Conclusion

The AP7344-3318RH4-7 is a Voltage Regulator - Linear, which is used in various applications and provides a stable and reliable output. It has a wide input voltage range of 6V to 40V and adjustable output voltage range of 5V to 40V. The device has a fast transient response and a high power efficiency of up to 97%. It can be used in a wide range of DC/DC buck converters, in which the output voltage of the converter is adjustable. It is suitable for applications including automotive, lighting, industrial, telecom and consumer applications.

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