LM4041CYM3-1.2-TR

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LM4041CYM3-1.2-TR Application Field and Working Principle

The LM4041CYM3-1.2-TR is a Voltage Reference device classified as a PMIC (Power Management Integrated Circuit). This voltage reference type provides accurate, low-noise, wide input voltage and low output current capability. It can be used in a variety of applications including to set the operating and output voltage of circuits, which require low-power and low noise levels.

The LM4041CYM3-1.2-TR provides a stable output voltage of 1.2V. It has both a fixed and an adjustable voltage version. The fixed version is available in 1.2V and 2.5V, while the adjustable version has an output voltage range of 1V - 3.3V. It also features a maximum voltage deviation of 0.1% (maximum 1.2V for each voltage range).

The LM4041CYM3-1.2-TR is designed for high reliability and low noise, with low power consumption. It is designed for a dropout voltage of 1.4V, which ensures that it will remain active even when its input voltage drops below its required level. This makes it especially suitable for applications where noise levels and long-term stability must be maintained in order to produce accurate results.

The LM4041CYM3-1.2-TR works on a principle known as band-gap reference (BGR). This reference scheme uses the integrated structure of a bipolar transistor and an operational amplifier to obtain a precise voltage reference. The BGR circuit is able to generate a stable voltage reference with a low offset and wide operating temperature range.

The BGR circuit uses two types of transistors: a bipolar device and a MOSFET device. The bipolar transistor is connected in a collector-emitter configuration and acts as a reference device. The MOSFET is used as an amplifier to provide feedback to the BGR circuit. The transistors are connected in such a way that the voltage applied to their collector-emitter junctions is always equal, regardless of the variation in the input voltage.

The LM4041CYM3-1.2-TR can be used in a variety of applications, including power supplies and electronic instrumentation. It can also be used to set the operating and output voltage of circuits that require low-noise and low power levels. This device is suitable for use in systems such as portable communications equipment, test instruments, industrial microcontrollers, and automotive equipment.

In summary, LM4041CYM3-1.2-TR is a Voltage Reference device classified as a PMIC (Power Management Integrated Circuit). It provides accurate, low-noise, wide input voltage and low output current capability. It works on a principle known as band-gap reference (BGR) and can be used in a variety of applications, including power supplies and electronic instrumentation. It is designed for high reliability and low noise, with low power consumption.

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