LM4120IM5X-2.5 Allicdata Electronics
Allicdata Part #:

LM4120IM5X-2.5-ND

Manufacturer Part#:

LM4120IM5X-2.5

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC VREF SERIES 2.5V SOT23-5
More Detail: Series Voltage Reference IC ±0.5% 5mA SOT-23-5
DataSheet: LM4120IM5X-2.5 datasheetLM4120IM5X-2.5 Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Noise - 0.1Hz to 10Hz: 20µVp-p
Base Part Number: LM4120
Supplier Device Package: SOT-23-5
Package / Case: SC-74A, SOT-753
Mounting Type: Surface Mount
Operating Temperature: -40°C ~ 85°C (TA)
Current - Supply: 275µA
Voltage - Input: 2 V ~ 12 V
Noise - 10Hz to 10kHz: 36µVp-p
Series: --
Temperature Coefficient: 50ppm/°C
Tolerance: ±0.5%
Current - Output: 5mA
Voltage - Output (Min/Fixed): 2.5V
Output Type: Fixed
Reference Type: Series
Part Status: Obsolete
Packaging: Tape & Reel (TR) 
Description

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PMIC, or power management integrated circuits (ICs) are used in electronic devices to regulate voltage and current levels. The LM4120IM5X-2.5 is a voltage reference, a type of PMIC that sets an exact voltage level, used in power supplies and battery management systems. This article will explain the application field and working principle of the LM4120IM5X-2.5.

Application Fields of the LM4120IM5X-2.5

The LM4120IM5X-2.5 is most commonly used in power supplies and battery management systems. It is especially suitable for applications such as computing, automotive, and industrial electronics, due to its excellent thermal and transient immunity. Its ability to regulate precise output voltages minimizes the need for extensive compensation and makes it suitable for high frequency, low noise operation. Additionally, its low quiescent current and wide temperature range makes it suited for a variety of applications.

Working Principle of the LM4120IM5X-2.5

The LM4120IM5X-2.5 is a voltage reference circuit, which accurately regulates an output voltage to a precise value. It consists of a bandgap reference, error amplifier, output voltage regulator, and trim adjust pin. The bandgap reference, or the heart of the circuit, is the source of the stable output voltage; this voltage is compared with the voltage at the trim adjust pin to provide a voltage that is adjustable up to ±20 mV. The error amplifier then compares this voltage with the external control voltage, and when these voltages match, the output voltage regulator is enabled. The output voltage regulator then adjusts the current to provide the desired output voltage.

The LM4120IM5X-2.5 also provides protection against overvoltage and overcurrent conditions. This is done by monitoring the output voltage continuously and limiting the current at a predetermined value if the output voltage exceeds the expected range. This ensures that the circuit will be protected from potential damage caused by overloads.

Conclusion

The LM4120IM5X-2.5 is a voltage reference PMIC used in power supplies and battery management systems. It is especially suited for applications in computing, automotive, and industrial electronics. It provides precision output voltage regulation and excellent protection against voltage and current overloads. This makes the LM4120IM5X-2.5 an ideal choice for a variety of applications.

The specific data is subject to PDF, and the above content is for reference

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