MP1531DQ-LF-Z

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Applications:	Converter, TFT LCD
Voltage - Input:	2.7 V ~ 5.5 V
Number of Outputs:	3
Voltage - Output:	Multiple
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	16-VFQFN Exposed Pad
Supplier Device Package:	16-QFN (3x3)

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Introduction

The MP1531DQ-LF-Z is an integrated high-voltage regulator designed to provide options for applications that require a high voltage supply. The device is optimized for the applications that require more than 200V to power, such as plasma displays, charging device, etc. The MP1531DQ-LF-Z offers low output noise, wide input voltage range and improved transient response.

Features

The MP1531DQ-LF-Z provides features such as:

• Ultra-low output noise
• Wide input voltage range
• High current capability
• Excellent transient response
• Integrated MOSFETs
• Soft-start capability
• Thermal overload protection
• Low total component count
• Output voltage trim capability

Application Field

The MP1531DQ-LF-Z can be used in a variety of applications, such as plasma displays, charger, high-voltage flyback, LED lighting, and more. For example, it can be used for the plasma displays powered by HVPS that requires more than 200V. The device is also an ideal device for any application that requires high-side gate driving and a high-side MOSFET. The MP1531DQ-LF-Z can also be used in LED lighting applications due to its design with one high-side MOSFET and one low-side MOSFET for optimal power efficiency. Finally, the device can also be used for applications such as chargers, flyback converters and other high-voltage power conversion or monitoring systems.

Working Principle

The MP1531DQ-LF-Z is a high-voltage switch mode regulator which uses an integrated MOSFET to provide an output voltage of up to 200V. The device utilizes an error amplifier with hysteretic control to provide excellent load and line transient response. The device also features a soft-start functionality which prevents excessive surge currents during startup. Additionally, the device is protected with an integrated thermal overload protection which prevents the device from overheating and damaging the components. The MP1531DQ-LF-Z also features a low current limit which helps protect the device from overcurrent situations, and the device also features a wide input voltage range, allowing it to work with a variety of input voltage sources. The device is also protected from short-circuit overloads with the integrated short-circuit protection.

Conclusion

The MP1531DQ-LF-Z is a high-voltage switch mode regulator which provides a wide range of features. The device is optimized for applications that require more than 200V, such as plasma displays and chargers. The device features an integrated MOSFET and wide input voltage range, offering improved transient response, soft start and thermal overload protection. The device is also protected from overcurrent and short-circuit situations. In conclusion, the MP1531DQ-LF-Z is an ideal choice for a variety of high-voltage applications that require excellent performance and reliability.

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