MP2019GN-33

Series:	--
Part Status:	Active
Output Configuration:	Positive
Output Type:	Fixed
Number of Regulators:	1
Voltage - Input (Max):	40V
Voltage - Output (Min/Fixed):	3.3V
Voltage - Output (Max):	--
Voltage Dropout (Max):	0.43V @ 150mA
Current - Output:	150mA
Current - Quiescent (Iq):	95µA
PSRR:	45dB (1kHz)
Control Features:	Enable
Protection Features:	Over Temperature, Short Circuit
Operating Temperature:	-40°C ~ 125°C (TA)

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Introduction

MP2019GN-33 is a linear voltage regulator from Monolithic Power Systems (MPS), which is optimized for providing high power supply accuracy and excellent line / load transient performance. It consists of a P-Channel MOSFET series pass transistor, which operates in a conventional Voltage Regulator Mode. The features of the MP2019GN-33 provide for low-drop out voltage, high operating current, fast transient response and excellent power supply line and load regulation.

Operation and Performance

The MP2019GN-33 operates with an input voltage range of 4.7V to 30V, and an output voltage range of 0.8V to 30V. It is capable of providing up to 3A of output current, while having a maximum operating junction temperature of 125°C. The maximum drop out voltage is just 0.6V.The device provides excellent line and load regulation, with a typical line regulation at ± 0.02%, and a load regulation at ± 0.05%. It also has a low output noise level of 45uVrms. The MP2019GN-33 has an ultra-low output voltage ripple, with a typical value of 4mVrms.The device has an excellent transient response, which is based on the maximum transient peak of the device, which is 40A. It is capable of providing a very fast output voltage adjustment after changes in output current, with a typical performance of 1.5uS settling time.The MP2019GN-33 is capable of providing very good power supply rejection ratio (PSRR) performance, also known as DC-DC noise reduction. It is optimized to provide good noise ripple on the input, with a typical performance of 80dB.The MP2019GN-33 is optimized for operation in a wide band of temperatures, with the operating junction temperature range from −40°C to 125°C. It is designed to provide stable output voltage during variations in environmental conditions. The device is optimized for providing an excellent layout performance, with an extremely low input and output capacitor requirement, as well as an ultra-quiet noise performance. The device has an integrated EMI filter which helps to reduce the emission of noise from the device.

Conclusion

The MP2019GN-33 is an optimized high performance linear voltage regulator from MPS. The device supports an input voltage range of 4.7V to 30V, and an output voltage range of 0.8V to 30V. It provides 3A of output current, a low drop out voltage of 0.6V, as well as excellent line and load regulation, low output noise, low output voltage ripple and good PSRR performance. Its transient response is also excellent, providing a typical 1.5uS settling time after output current changes. The device is optimized for operation in a wide temperature range, and provides excellent layout performance.

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