MIC5330-MFYML-TR

Current - Output:	300mA, 300mA
Base Part Number:	MIC5330
Supplier Device Package:	8-MLF® (2x2)
Package / Case:	8-VFDFN Exposed Pad, 8-MLF®
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Protection Features:	Over Current, Over Temperature
Control Features:	Enable
PSRR:	70dB ~ 65dB (1kHz ~ 20kHz)
Current - Supply (Max):	200µA
Current - Quiescent (Iq):	120µA
Series:	--
Voltage Dropout (Max):	0.2V @ 300mA, 0.2V @ 300mA
Voltage - Output (Max):	--
Voltage - Output (Min/Fixed):	1.5V, 2.8V
Voltage - Input (Max):	5.5V
Number of Regulators:	2
Output Type:	Fixed
Output Configuration:	Positive
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The MIC5330-MFYML-TR is a monolithic voltage regulator device specifically designed for switching DC-DC converters and low output noise applications. It is part of a family of devices capable of operating over an input voltage range of 1.2 V to 5.5 V, and can be powered with an input supply ranging from 1.7 V to 5.5 V. It features integrated, low-noise linear regulator, a low dropout voltage, and a low frequency PWM control loop with integrated output soft-start, sleep, and selectable short-circuit protection modes.

Application Field

The MIC5330-MFYML-TR voltage regulator can be used for a wide variety of applications. These include portable consumer electronics such as cell phones and personal digital assistants (PDA\'s); computer motherboards; medical equipment; gaming consoles; automotive systems; and industrial and scientific instrumentation. Additionally, the device can be used as an adjustable voltage source from 1.2 V to 5.5 V, or a low noise power supply for sensitive analog circuits.

Working Principle

The MIC5330-MFYML-TR is a monolithic linear regulator device, which is intended to provide a highly efficient and economical solution for regulating the output voltage and maintaining the current limit of an electronic system or circuit. The device contains a high performance PFM-controlled switching regulator connected in parallel with a low dropout linear regulator, allowing it to operate over a wide input voltage range.The switching regulator portion of the device controls the output voltage by regulating the duty cycle of the integrated MOSFET switch. The duty cycle of the MOSFET is controlled by the PFM control loop, and the internal feedback control loop ensures that the output voltage remains constant and within specified limits, even under varying load and input voltage conditions.The low dropout linear regulator portion of the device is intended to reduce output ripple and noise, as well as providing an additional layer of output voltage protection. When the input voltage is close to the output voltage, the linear regulator portion is enabled and the output voltage is regulated within a +/- 10 mV window. Additionally, the device has an internal voltage reference that is used to ensure that the output voltage remains as accurate as possible, even as the input voltage varies.The MIC5330-MFYML-TR also features a selectable short-circuit protection mode and an integrated output soft-start and sleep mode that helps prevent momentary inrush currents and eliminates the need for external reset or shutdown switching devices.

Conclusion

The MIC5330-MFYML-TR is a monolithic voltage regulator device capable of operating over an input voltage range of 1.2 V to 5.5 V and is well-suited for a wide range of electronic applications. It features an integrated, low-noise linear regulator, a low dropout voltage, and a low frequency PWM control loop with integrated output soft-start, sleep, and selectable short-circuit protection modes. With its wide input voltage range, excellent regulation accuracy, and integrated protection features, the MIC5330-MFYML-TR makes an ideal voltage regulation solution for a wide variety of applications.

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