IFX8117MEV33HTMA1

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The IFX8117MEV33HTMA1 is a linear voltage regulator from the Power Management Integrated Circuit (PMIC) family. This product and its many derivatives in the same series provide a very low drop-out (LDO) option for many applications. As a linear device it provides a very clean and stable output voltage for any specific application.

The main purpose of a linear voltage regulator is to provide an output voltage that is lower than the input voltage for a wide range of input voltages. It is mostly used in applications where a very low noise and low ripple output is required. This can be applicable to almost any application from communications to microprocessors and industrial equipment.

The IFX8117MEV33HTMA1 is designed to deliver up to 5.5 amps of output current, with a 1.5 % tolerance of the output voltage. It can also provide a very low quiescent current in static conditions and be used with a wide range of input voltages, from 2.2 to 6.5 V. Its Reference Voltage is typically set at 1.175V and the dropout voltage is usually between 0.3~1V.

The IFX8117MEV33HTMA1 is a very versatile linear voltage regulator and it is suitable for many application fields such as:

• Portable and handheld digital devices such as cellular phones.
• Telecommunications equipment.
• Networked equipment.
• Consumer electronics.
• Automotive and industrial systems.

The working principle of the IFX8117MEV33HTMA1 is relatively simple and efficient. An incoming voltage is first fed into a Pair of N-Channel and P-Channel MOSFETs which are cross-connected in a CMOS configuration. There is no body diode as these MOSFETs are performing the diode\'s function. The MOSFETs are used to regulate the voltage and the frequency of the incoming voltage.

The input voltage is then fed into the error amplifier, which consists of an NPN bipolar junction transistor and a PNP bipolar junction transistor. These transistors compare the incoming voltage with a reference voltage and if they find any difference they will amplify it. This amplified difference is then fed into the MOSFETs to regulate the voltage.

The output of the regulator is then fed to the load. The output voltage will be the same as the reference voltage, providing the load current is lower than the predefined current limit.

The main benefit of using a linear voltage regulator, such as the IFX8117MEV33HTMA1, is its low noise, low ripple output voltage and the wide input voltage range which makes it ideal for many different applications. The device is also capable of withstand the temperature extremes of the environment, making it a reliable and cost effective solution.

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