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LM4120AIM5X-3.3

Name: LM4120AIM5X-3.3
Rating: 4.7 (12 reviews)

IC VREF SERIES 0.2% SOT23-5

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規格

Part Status	Obsolete
Reference Type	Series
Output Type	Fixed
Voltage - Output (Min/Fixed)	3.3V
Current - Output	5 mA
Tolerance	±0.2%
Temperature Coefficient	50ppm/°C
Noise - 0.1Hz to 10Hz	20µVp-p
Noise - 10Hz to 10kHz	36µVp-p
Voltage - Input	2V ~ 12V
Current - Supply	275µA
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	Surface Mount
Package / Case	SC-74A, SOT-753
Supplier Device Package	SOT-23-5
Base Product Number	LM4120

概述

Description

The LM4120AIM5X-3.3 is a precision voltage reference produced by Texas Instruments. It provides a stable output voltage of 3.3V with a low temperature coefficient, making it suitable for various applications requiring accurate voltage references. The device operates over a wide supply voltage range and offers excellent line and load regulation.
Key features include low noise, high accuracy, and a small package size (SOT-23), which makes it ideal for space-constrained designs. The LM4120 series is known for its low dropout voltage, allowing it to function effectively in battery-powered devices. It also incorporates built-in protection features, including reverse polarity protection.
Applications include use in analog-to-digital converters (ADCs), digital-to-analog converters (DACs), precision instrumentation, and other systems that require a stable reference voltage. The LM4120AIM5X-3.3 is a reliable solution for engineers seeking precision voltage references in their electronic designs.

Features

The LM4120AIM5X-3.3 is a low-dropout (LDO) voltage regulator designed to provide a stable output voltage of 3.3V. Key features include:
1. Output Current: Capable of delivering up to 100 mA of output current.
2. Low Dropout Voltage: Typically offers a dropout voltage of about 0.2V at full load, ensuring efficient performance.
3. Power Supply Rejection Ratio (PSRR): High PSRR provides better noise rejection, enhancing the stability of the output voltage.
4. Thermal Protection: Includes thermal shutdown features to prevent overheating and damage.
5. Wide Input Voltage Range: Operates with an input voltage range from 4V to 20V.
6. Compact Package: Available in a 5-pin SOT-23 package, facilitating space-constrained designs.
7. Low Quiescent Current: Designed for efficiency with low quiescent current, making it suitable for battery-powered applications.
These features make the LM4120AIM5X-3.3 ideal for various applications requiring reliable voltage regulation.

Package

The LM4120AIM5X-3.3 is packaged in a SOT-23-5 (Small Outline Transistor) package type. This surface-mount package features five pins and is designed for ease of integration in compact electronic designs.

Pinout

The LM4120AIM5X-3.3 is a low-dropout (LDO) voltage regulator with a pin count of 5. Its primary function is to provide a stable output voltage of 3.3 V.
Pin Configuration:
1. Pin 1 (GND): Ground connection.
2. Pin 2 (VOUT): Output voltage (3.3 V).
3. Pin 3 (VIN): Input voltage, typically from 5 V to 15 V.
4. Pin 4 (NC): No connect; not internally connected.
5. Pin 5 (SHUTDOWN): Active-low shutdown pin to enable or disable the output.
The device is designed for low power applications and includes features such as thermal shutdown and current limit protection.

Manufacturer

The LM4120AIM5X-3.3 is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments designs and produces semiconductors and various integrated circuits, which are used in a wide range of electronic devices and applications. The company is well-known for its innovation in analog electronics, digital signal processing, and embedded processing. TI serves various markets, including automotive, industrial, communications, and consumer electronics, providing solutions that enhance the performance and efficiency of electronic systems. Their products often include power management devices, microcontrollers, and wireless connectivity solutions, making them a significant player in the semiconductor industry.

Application

The LM4120AIM5X-3.3 is a low-dropout voltage regulator (LDO) used in various applications, including portable electronics, battery-powered devices, and microcontroller circuits. It provides a stable 3.3V output with low output noise, making it suitable for sensitive applications like RF circuitry, audio devices, and precision analog systems. Additionally, it can be used in power management for embedded systems and automotive electronics.

Equivalent

The LM4120AIM5X-3.3 is a low-dropout (LDO) voltage regulator. Equivalent products include the MIC5205-3.3, MCP1700-3302E, LP2985-33, and TPS7A33. Ensure to check specifications like output current, dropout voltage, and thermal performance for compatibility.