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LM21305SQ

Name: LM21305SQ
Rating: 4.7 (12 reviews)

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規格

Brand	Texas Instruments
Product Type	Switching Voltage Regulators
Subcategory	PMIC - Power Management ICs

概述

Description

The LM21305SQ is a versatile, high-performance voltage regulator designed for use in various electronic applications. This device is a part of the LM213 series and features a low dropout voltage, making it ideal for battery-powered devices. It can supply a stable output voltage, typically in the range of 1.5V to 5V, with a maximum output current of up to 1A.
Key features include overcurrent protection, thermal shutdown, and a wide input voltage range, ensuring reliability in diverse environments. Its compact SQ package offers space-saving benefits for designs with limited PCB real estate. The LM21305SQ is suitable for applications such as power management in portable devices, automotive systems, and consumer electronics.
Engineered for efficiency, the LM21305SQ helps prolong battery life while maintaining optimal performance, making it a preferred choice for engineers looking to enhance their design’s power efficiency and reliability.

Features

The LM21305SQ is a versatile linear voltage regulator designed for efficient voltage regulation in various applications. Key features include:
1. Output Voltage: Fixed output options typically available at 3.3V or 5V.
2. Input Voltage Range: Accepts input voltages up to 30V.
3. High Current Output: Capable of delivering up to 1A of continuous output current.
4. Low Dropout Voltage: Provides low dropout performance, making it suitable for battery-powered applications.
5. Thermal Protection: Includes built-in thermal shutdown to prevent overheating.
6. Short-Circuit Protection: Features current limiting to protect the device and the load during fault conditions.
7. Adjustable Version: Often available in adjustable configurations for custom output voltage requirements.
8. Compact Package: Typically housed in a surface-mount package, reducing PCB space requirements.
Overall, the LM21305SQ is ideal for powering microcontrollers, sensors, and other electronic circuits requiring stable and reliable voltage.

Package

The LM21305SQ is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) format. This package type is designed for space efficiency and thermal performance in various electronic applications.

Pinout

The LM21305SQ is a high-performance, low-dropout (LDO) voltage regulator with a pin count of 5. The pin functions are as follows:
1. Vin: Input voltage supply.
2. GND: Ground reference.
3. Vout: Regulated output voltage.
4. EN: Enable pin to turn the device on or off.
5. NC: No connection; this pin is not internally connected and should be left floating.
This device is designed for efficient voltage regulation, providing a stable output while supporting a wide input voltage range.

Manufacturer

The LM21305SQ is manufactured by Texas Instruments (TI), a leading American technology company. Texas Instruments specializes in designing and manufacturing semiconductors and various integrated circuits. Founded in 1930, the company is renowned for its innovations in analog and embedded processing technologies. TI serves a wide range of markets, including automotive, industrial, and consumer electronics, providing solutions for applications such as power management, signal processing, and connectivity. With a strong focus on research and development, Texas Instruments plays a critical role in advancing technology and enabling a diverse array of electronic devices.

Application

The LM21305SQ is a high-efficiency, low-dropout (LDO) voltage regulator primarily used in battery-operated devices, portable electronics, and telecommunications. Its applications include powering microcontrollers, sensors, and RF components in IoT devices, as well as in automotive electronics and consumer products requiring stable voltage supplies. Its compact design and thermal performance make it suitable for space-constrained applications.

Equivalent

Equivalent products to the LM21305SQ chip include the LM21305, LM21305S, and various voltage regulators from other manufacturers such as the TPS54325 from Texas Instruments and the LT1084 from Analog Devices. However, it's essential to check specific datasheets for electrical characteristics and pin configurations to ensure compatibility.