LT3481EMSE

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LT3481EMSE

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Switching Voltage Regulators LT3481 - 36V, 2A, 2.8MHz Step-Down Switching Regulator with 50- A Quiescent Current

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365 1일 품질 보증

7*24 영업 시간 서비스 보증

90-판매 후 1일 보증

정품 보증

사양

속성 가치

개요

Description

The LT3481EMSE is a high-efficiency step-up DC/DC converter designed by Linear Technology (now part of Analog Devices) for applications requiring a boost in voltage. It operates with an input voltage range of 2.5V to 16V and can produce an output voltage up to 36V. The device features integrated power switches, including a 2A, 42V switch and a 1.5A, 42V switch, allowing for high output power capability. This converter is known for its efficiency, often exceeding 85%, which minimizes heat dissipation and improves performance in battery-powered applications.
The LT3481EMSE includes a variety of features such as soft-start, frequency synchronization, and adjustable switching frequency. It also offers cycle-by-cycle current limiting and thermal shutdown for protection. The device is packaged in a thermally enhanced 10-lead MSOP package. It is suitable for use in LED drivers, battery-powered equipment, and other applications that benefit from efficiently stepping up voltage with minimal external components.

Equivalent

The LT3481EMSE is a step-up DC/DC converter. Equivalent products include:
1. Texas Instruments TPS61030: A boost converter with similar input and output voltage ranges.
2. Maxim Integrated MAX1771: A high-efficiency, adjustable-output step-up DC-DC converter.
3. Analog Devices ADP1613: A 650 kHz, 1.4 A, step-up DC-DC converter.
4. Linear Technology (Analog Devices) LT3757: A versatile DC/DC controller for boost, SEPIC, or flyback configurations.
These options offer features that can fulfill similar application requirements as the LT3481EMSE.

Features

The LT3481EMSE is a step-up DC/DC converter from Analog Devices. It features a wide input voltage range and is designed to deliver output voltages of up to 34V. The device includes an integrated 2A, 42V switch and supports both PWM and Burst Mode operation, which allows for high efficiency over a wide range of load currents. Notable features include:
1. High Efficiency: Its design optimizes power conversion efficiency across different load conditions.
2. Wide Input Voltage Range: Supports input voltages, making it versatile for various applications.
3. Integrated Power Switch: The 2A, 42V switch simplifies design and reduces external component requirements.
4. Low Quiescent Current: In Burst Mode, it maintains low current consumption, enhancing battery life in portable devices.
5. Adjustable Frequency: Offers flexibility in optimizing the design for specific applications.
6. Soft-Start Functionality: Reduces inrush current during startup, protecting the system.
7. Current Mode Control: Provides fast transient response and cycle-by-cycle current limiting.
These features make the LT3481EMSE suitable for applications requiring efficient step-up voltage conversion.

Pinout

The LT3481EMSE is a step-up DC/DC converter with an integrated power switch designed by Analog Devices (formerly Linear Technology). It is typically used for applications requiring a boost in voltage from a lower input voltage source. The LT3481EMSE comes in an MSOP-10 package, which means it has 10 pins.
Here are the pin functions:
1. SW: Switch pin (drain of the internal power switch).
2. VIN: Input voltage supply pin.
3. SHDN/UVLO: Shutdown and Undervoltage Lockout pin.
4. FB: Feedback pin used to set the output voltage via an external resistor divider.
5. RT: Timing resistor pin to set the switching frequency.
6. GND: Ground pin.
7. SYNC: Synchronization pin for external clock.
8. COMP: Compensation pin for loop stability.
9. SS: Soft-start pin to control the rate of rise of the output voltage.
10. VC: Error amplifier output for compensation network connection.
This concise outline of the LT3481EMSE’s pin count and function provides a quick reference for understanding its configuration in electronic applications.

Manufacturer

The LT3481EMSE is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits. The company provides solutions for a wide range of industries, including consumer electronics, communications, healthcare, automotive, and industrial applications. Known for high-performance components, Analog Devices focuses on delivering products like amplifiers, data converters, power management devices, and signal processing ICs that enable efficient, reliable, and innovative electronic systems.

Application

The LT3481EMSE is a high-voltage, monolithic boost converter designed for a variety of applications. Its primary uses include powering OLED displays, driving LEDs, and serving as a power supply for photomultiplier tubes and avalanche photodiodes. The device is particularly suitable for applications requiring a compact, efficient solution for generating high voltages from a low-voltage source. It features a wide input voltage range, high efficiency, and the ability to deliver regulated output voltages, making it ideal for portable electronics, automotive systems, and industrial equipment that require consistent voltage regulation and low noise.

Package

The LT3481EMSE is housed in a 10-lead plastic MSOP (Mini Small Outline Package) with an exposed pad for enhanced thermal performance.

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