MP6402DQT-EF-LF-P

Series:	--
Part Status:	Active
Output Configuration:	Positive
Output Type:	Adjustable
Number of Regulators:	2
Voltage - Input (Max):	5.5V
Voltage - Output (Min/Fixed):	0.9V
Voltage - Output (Max):	3.3V
Voltage Dropout (Max):	0.26V @ 500mA (Typ), 0.26V @ 500mA (Typ)
Current - Output:	500mA, 500mA
Current - Quiescent (Iq):	580µA
PSRR:	60db ~ 51dB (100Hz)
Control Features:	Enable, Reset
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 125°C (TJ)

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Introduction to MP6402DQT-EF-LF-P

The MP6402DQT-EF-LF-P is a compact integrated power regulator circuit manufactured by MPS that offers a wide range of voltage regulation for a wide range of applications. The main features of this regulator include an improved efficiency for higher current output, low quiescent current, low on-resistance, wide operating temperature range and cost-effectiveness. It consists of a precision voltage reference, error amplifier, power MOSFET, current-sense comparator, soft-start circuitry, and a number of other features that allow it to successfully regulate the output voltage.

MP6402DQT-EF-LF-P Application Fields

The MP6402DQT-EF-LF-P is suitable for a wide range of applications, especially those in industrial, automotive and critical medical applications. Because it is a low-voltage, high-current switch, it can effectively regulate the output voltage in applications such as servers, power supply systems, communication components, and other heavy-duty equipment. Additionally, the MP6402DQT-EF-LF-P has a wide temperature operating range of -40°C to 90°C, which makes it suitable for use in extreme temperature environments.

Working Principle of MP6402DQT-EF-LF-P

The operation of the MP6402DQT-EF-LF-P is based on the use of a precision voltage reference, error amplifier, power MOSFET, current-sense comparator, and soft-start circuitry. When this device is connected to the output voltage to be regulated, it utilizes a sensing circuit and feedback loop to detect the actual output voltage and compare it to the reference voltage. Any discrepancies between the two are then adjusted by the error amplifier.The power MOSFET is then used to regulate the output voltage. The drain and gate of the MOSFET are connected to the output voltage and the error amplifiers respectively. A current-sense comparator is also used to detect any output current that is higher than the maximum limit, which triggers the soft-start circuitry. The soft-start circuitry turns off the output voltage until the fault is cleared and the device is reset. The MP6402DQT-EF-LF-P can also perform other voltage regulation functions such as over-voltage protection, under-voltage protection, over-current protection, thermal protection, and current-limiting protection. These features make it an ideal choice for applications where precise voltage regulation is a must.

Conclusion

The MP6402DQT-EF-LF-P is a compact and low cost regulator that is suitable for a wide range of applications. It offers the user accurate regulation of the output voltage with the use of precision voltage reference, error amplifier, power MOSFET, current-sense comparator, and soft-start circuitry. Additionally, it has a wide range of protection features that make it an ideal choice for any application where precise voltage regulation is required.

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