LM2853MHX-1.2

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LM2853MHX-1.2

IC REG BUCK 1.2V 3A 14HTSSOP

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Spécifications

Series SIMPLE SWITCHER®
Part Status Obsolete
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Fixed
Number of Outputs 1
Voltage - Input (Min) 3V
Voltage - Input (Max) 5.5V
Voltage - Output (Min/Fixed) 1.2V
Current - Output 3A
Frequency - Switching 550kHz
Synchronous Rectifier Yes
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 14-PowerTSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-HTSSOP
Base Product Number LM2853

Vue d'ensemble

Description

The LM2853MHX-1.2 is a low-dropout (LDO) voltage regulator designed for applications requiring a stable output voltage of 1.2V. It is part of the LM285/LMLM series and features a maximum output current of 3A, making it suitable for powering sensitive electronic components. The device operates with a low dropout voltage, which allows it to maintain regulation even when the input voltage is close to the output voltage.
This LDO is characterized by its fast transient response and low noise, making it ideal for RF and analog applications. It includes built-in thermal shutdown and current limit protection, enhancing reliability and safety.
The LM2853MHX-1.2 is packaged in an efficient surface-mount configuration, facilitating easy integration into compact designs. Its wide input voltage range and ability to work with small output capacitors add to its versatility, supporting a variety of power supply designs in consumer electronics, automotive, and industrial applications. For optimal performance, refer to the datasheet for detailed specifications and application guidelines.

Features

The LM2853MHX-1.2 is a precision voltage reference device featuring the following key attributes:
1. Output Voltage: Provides a stable output voltage of 1.2V.
2. Temperature Coefficient: Low temperature coefficient ensures minimal drift over temperature variations, typically around 10 ppm/°C.
3. Initial Accuracy: High initial accuracy, typically ±1% at 25°C.
4. Low Noise: Designed for low noise output, making it suitable for sensitive applications.
5. Wide Supply Voltage Range: Operates within a broad supply voltage range, allowing flexibility in various circuit designs.
6. Low Quiescent Current: Consumes low quiescent current, contributing to energy efficiency in battery-powered applications.
7. Package Type: Available in a compact 3-pin SOT-23 package, facilitating space-constrained designs.
8. Applications: Ideal for use in precision analog circuits, DACs, ADCs, and other applications requiring a stable reference voltage.
Overall, the LM2853MHX-1.2 is a reliable choice for systems demanding high precision and stability.

Package

The LM2853MHX-1.2 is packaged in a surface-mounted MHX package type. This package features a compact, low-profile design suitable for various applications, enhancing thermal performance and space efficiency in circuit designs.

Pinout

The LM2853MHX-1.2 is a voltage regulator with a pin count of 8. Its primary function is to provide a stable 1.2V output voltage with a maximum output current of 3A.
Pin Configuration:
1. IN: Input voltage supply.
2. GND: Ground.
3. VOUT: Regulated output voltage (1.2V).
4. SENSE: Used for voltage sensing to improve load regulation and accuracy.
5. COMP: Compensation pin for stability.
6. EN: Enable pin to turn the device on or off.
7. PGND: Power ground for high-current paths.
8. NC: No connection.
The LM2853MHX-1.2 is suited for applications requiring efficient voltage regulation, such as power management systems in portable devices and other electronics.

Manufacturer

The LM2853MHX-1.2 is manufactured by Texas Instruments (TI), a global semiconductor company that designs and manufactures a wide range of electronic components and systems. Established in 1930, Texas Instruments is known for its innovative technologies and products, including analog and embedded processing solutions. The company serves various industries, including automotive, industrial, communications, and consumer electronics. Texas Instruments is recognized for its commitment to research and development, focusing on advancing technology to improve efficiency and performance in electronic devices. It is one of the leading companies in the semiconductor industry, providing essential components for modern electronic applications.

Application

The LM2853MHX-1.2 is a low-dropout (LDO) voltage regulator primarily used in applications such as power management for portable devices, battery-powered systems, and automotive electronics. It provides a stable 1.2V output voltage, making it suitable for microcontrollers, sensors, and RF circuits. Its low quiescent current and thermal performance make it ideal for applications requiring efficiency and reliability in compact designs.

Equivalent

The LM2853MHX-1.2 is a voltage regulator IC. Equivalent products include the LM285-1.2, LM1117-1.2, MCP1700-1202E, and LT1763-1.2. Ensure to check the specific requirements like dropout voltage, current rating, and package type when selecting an equivalent.

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