LT3481IMSE

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LT3481IMSE

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IC REG BUCK ADJUSTABLE 2A 10MSOP

  • HerstellerAnalog Devices Inc.

  • Herstellerteil #LT3481IMSE

  • Paket MSOP-10

  • Auf Lager7173

365 Tage Qualitätsgarantie

7*24 Stunden-Servicegarantie

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Spezifikationen

Attribut Wert
Package / Case Tube
Part Status Obsolete
Function Step-Down
Output Configuration Positive
Topology Buck
Output Type Adjustable
Number of Outputs 1
Voltage - Input (Min) 3.6V
Voltage - Input (Max) 34V
Voltage - Output (Min/Fixed) 1.265V
Voltage - Output (Max) 20V
Current - Output 2A
Frequency - Switching 300kHz ~ 2.8MHz
Synchronous Rectifier No
Operating Temperature -40°C ~ 125°C
Mounting Type Surface Mount

Übersicht

Description

The LT3481IMSE is a step-up DC/DC converter integrated circuit designed by Linear Technology (now part of Analog Devices) for efficient power supply applications. It operates by boosting input voltages to higher output levels, making it suitable for powering devices requiring higher voltage from lower-voltage sources, such as batteries.
Key features include:
- Wide Input Voltage Range: It supports input voltages as low as 2.5V and can handle up to 16V, making it versatile for various applications.
- High Efficiency: It operates efficiently, often achieving efficiencies over 85%, which helps in reducing power loss and extending battery life in portable devices.
- Adjustable Output Voltage: Users can set the output voltage using external resistors, providing flexibility in different applications.
- Switching Frequency: It supports a fixed 1.4MHz switching frequency, which helps in minimizing the size of external components like inductors and capacitors.
- Built-in Features: The chip includes a power switch, Schottky diode, and compensation network, simplifying the design process.
Overall, the LT3481IMSE is used in applications requiring reliable and efficient voltage step-up, such as in battery-powered gadgets, LED drivers, and portable electronics.

Equivalent

The LT3481IMSE is a high voltage step-up DC/DC converter by Analog Devices (formerly Linear Technology). Equivalent products may include:
1. TI's TPS61175: A similar boost converter with high-voltage capabilities.
2. ON Semiconductor's NCP1403: Offers step-up DC-DC conversion with adjustable output voltage.
3. Maxim Integrated's MAX1771: A versatile high-efficiency, step-up switching regulator.
Always verify specifications and pin compatibility when selecting equivalents.

Features

The LT3481IMSE is a step-up DC/DC converter from Analog Devices (formerly Linear Technology). Key features include:
1. Wide Input Voltage Range: Operates from 2.3V to 16V, allowing flexibility in power source selection.
2. Adjustable Output Voltage: Capable of outputting up to 40V, suitable for various applications requiring higher voltages.
3. Integrated Power Switch: The device includes a 2.5A, 40V switch, which simplifies design and reduces the need for external components.
4. High Efficiency: Achieves high efficiency over a wide range of load conditions, maximizing power conservation.
5. Low Quiescent Current: Consumes only 35μA during operation, contributing to extended battery life in portable applications.
6. Burst Mode Operation: Improves efficiency at light loads, ideal for battery-powered applications.
7. Protection Features: Includes overcurrent protection and thermal shutdown to enhance reliability and safety.
8. Compact Package: Available in a thermally enhanced 10-lead MSOP package, promoting easy integration into compact designs.
These features make the LT3481IMSE suitable for battery-powered devices, LED drivers, and other small form-factor applications requiring step-up voltage conversion.

Pinout

The LT3481IMSE is a step-up DC/DC converter with an integrated switch, designed by Analog Devices (formerly Linear Technology). It typically comes in a 10-pin MSOP package. The primary function of the LT3481 is to boost the input voltage to a higher output voltage, making it suitable for applications requiring a higher voltage than what is available from the power source.
Key features include a wide input voltage range, high efficiency, and low shutdown current. The device is equipped with features like soft-start, programmable switching frequency, and overload protection. Its typical applications include powering OLED displays, portable devices, and other electronics requiring efficient voltage conversion.
Before using the LT3481IMSE, it's crucial to refer to the official datasheet for detailed pin configuration, electrical characteristics, and application guidelines to ensure proper implementation in your design.

Manufacturer

The LT3481IMSE is manufactured by Analog Devices, Inc. Analog Devices is a multinational company specializing in the design and manufacturing of semiconductor products, including integrated circuits, signal processing devices, and other electronic components. The company focuses on high-performance analog, mixed-signal, and digital signal processing technologies that are used in a wide range of applications across industries such as automotive, communications, consumer electronics, healthcare, and industrial sectors.

Application

The LT3481IMSE is a versatile DC/DC converter IC used in various applications. Key areas include power supply designs for portable electronics, telecommunications, and industrial equipment. It's particularly suited for battery-powered devices due to its high efficiency and low standby current. The LT3481IMSE can also be used in LED drivers, providing controlled current output for lighting applications. Additionally, it's appropriate for automotive systems, where it can manage power efficiently under varying load conditions. Its features, like wide input voltage range and high switching frequency, allow for compact, efficient power management solutions in space-constrained environments.

Package

The LT3481IMSE is packaged in a 10-lead MSOP (Mini Small Outline Package) with an exposed pad for improved thermal performance.

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