LM4041DILP Allicdata Electronics
Allicdata Part #:

LM4041DILP-ND

Manufacturer Part#:

LM4041DILP

Price: $ 0.22
Product Category:

Integrated Circuits (ICs)

Manufacturer: Texas Instruments
Short Description: IC VREF SHUNT ADJ TO92-3
More Detail: Shunt Voltage Reference IC 10V ±1% 12mA TO-92-3
DataSheet: LM4041DILP datasheetLM4041DILP Datasheet/PDF
Quantity: 1000
2000 +: $ 0.20462
Stock 1000Can Ship Immediately
$ 0.22
Specifications
Noise - 0.1Hz to 10Hz: --
Base Part Number: LM4041D
Supplier Device Package: TO-92-3
Package / Case: TO-226-3, TO-92-3 (TO-226AA)
Mounting Type: Through Hole
Operating Temperature: -40°C ~ 85°C (TA)
Current - Cathode: 80µA
Current - Supply: --
Voltage - Input: --
Noise - 10Hz to 10kHz: 20µVrms
Series: --
Temperature Coefficient: 150ppm/°C
Tolerance: ±1%
Current - Output: 12mA
Voltage - Output (Max): 10V
Voltage - Output (Min/Fixed): 1.233V
Output Type: Adjustable
Reference Type: Shunt
Part Status: Active
Packaging: Bulk 
Description

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Introduction

The LM4041DILP is a voltage reference IC offered by Texas Instruments. This device brings many advantages over other traditional discrete voltage reference devices thanks to its small size and low power consumption. It is well-suited for applications where a precise, stable voltage reference is needed for controlling the operating voltages of circuits or providing an accurate feedback signal for analog-to-digital and digital-to-analog converters. In this article, we will look at the application fields and working principle of the LM4041DILP chip.

Application Fields

The LM4041DILP IC can be used in many different applications due to its small size and low power consumption. Some of the most common uses of the device are:1. Precise Voltage Regulation: One of the most common uses for the LM4041DILP is for controlling the output voltage of a power supply. By using a precision voltage reference, the power supply can produce a voltage with much better accuracy than with a standard diode or zener diode regulator.2. Low Dropout (LDO) Voltage Regulators: Low dropout (LDO) regulators rely on a precision voltage reference to accurately regulate their output voltage. By using the LM4041DILP chip, designers can build LDO regulators with a low noise, low dropout performance and high accuracy.3. Reference Voltage for DACs: The LM4041DILP can also be used as a reference voltage for DACs (Digital-to-Analog converters) or ADCs (Analog-to-Digital converters). By using the device’s low temperature coefficient and high accuracy, DACs and ADCs can provide stable and precise analog signal conversion.4. Battery Management: The LM4041DILP is also well-suited for battery management applications. For example, the device can be used as a reference for overcharge and over-discharge protection circuits.

Working Principle

The LM4041DILP works by taking a reference voltage from an external source, such as a Zener diode, and providing an output voltage that is equal to the reference voltage plus a small voltage drop. To achieve this, the device uses an internal bandgap voltage reference, current mirrors, and a MOSFET pass transistor to create the necessary output voltage.The reference voltage is applied to the IC’s reference pin, and a small amount of current flows through the IC’s internal bandgap reference. This bandgap voltage is then mirrored with a current mirror, creating more current than originally applied. This will cause the MOSFET pass transistor to turn on, which will then regulate the output voltage to a voltage that is slightly lower than the reference voltage.

Conclusion

The LM4041DILP is a small and low-power voltage reference IC that offers high accuracy and low dropout performance for a variety of applications. It is well-suited for precision voltage regulation, low dropout (LDO) regulators, reference voltages for DACs, and for battery management. The device works by taking a reference voltage from an external source, such as a Zener diode, and regulating the output voltage to a slight voltage drop below the reference voltage. With its small size, low power consumption, and high accuracy, the LM4041DILP is an excellent choice for any application where a stable voltage reference is needed.

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

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