FAN5032MPX

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Controller, Intel VR10, VR11
Voltage - Input:	12V
Number of Outputs:	1
Voltage - Output:	0.5 V ~ 1.6 V
Operating Temperature:	0°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	40-WFQFN Exposed Pad
Supplier Device Package:	40-MLP (6x6)
Base Part Number:	FAN5032

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FAN5032MPX Application Field and Working Principle

The FAN5032MPX is a state-of-the-art, three-channel, low dropout (LDO) voltage regulator owner by Fairchild Semiconductor. Its technology, including integrated feedback network and trimming circuits, make it suitable for high-performance and cost-sensitive applications.This regulator is ideal for use in multi-channel power management applications and features several added benefits. First, its output voltage is adjustable over a wide range (1.5V to 5.0V). Additionally, the FAN5032MPX offers excellent thermal performance (internal overtemperature protection) and switching between multiple power sources is available using external logic. Furthermore, it features a high DC accuracy and a high peak current rating.The FAN5032MPX is classified under PMIC - Voltage Regulators - Special Purpose. This type of voltage regulator generally involves an integrated circuit (IC) that derives its operating power from an unregulated power supply and outputs a regulated voltage. This type of regulator usually involves a multi-function device that offers a number of advantages over other, more basic combined power management components.Some of the primary advantages of this type of regulator include high precision and/or stability of output voltage, high power efficiency, and improved transient response to varying load conditions. In addition, this type of regulator is designed for high voltage and high current application.The output stage of the FAN5032MPX is composed of three differential amplifier stages that buffer the feedback from the output to the opto-coupler. The first and second amplifier stages are used as current sources and the third stage is used as a voltage follower. The output voltage (Vout) is controlled by the error amplifier, using an opto-coupler as a reference.The second amplifier stage is used to generate an offset to the output voltage as a product of the supply voltage and a compensated, adjustable voltage reference generated by the voltage trimmer. This allows for the output voltage range to be adjusted by the user with a standard digital multimeter. This can be used to reduce transient output voltages variations in different conditions and to provide a better current load regulation, further increasing the accuracy and stability of the FAN5032MPX.In addition, the FAN5032MPX offers improved power efficiency because of its proprietary methods of controlling each channel\'s current source and voltage regulation. This voltage regulator has an internal current source limit and a built-in error amplifier that allows for the best balance of low dropout voltage and stability.Finally, the FAN5032MPX features thermal protection features that help to protect the device from overheating in higher temperature applications. It has an on-chip temperature monitor that can be used to detect and limit temperature-dependent variations in the output voltage characteristics.By incorporating all of these technologies, the FAN5032MPX offers performance and reliability that is hard to match. This makes it suitable and popular for multi-channel power management applications, as well as applications that involve high precision digital amplifiers and power controllers.

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