LT3502EMS

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LT3502EMS

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Switching Voltage Regulators LT3502/LT3502A - 1.1MHz/2.2MHz, 500mA Step-Down Regulators in 2mm + 2mm DFN and MS10

  • ПроизводительАналоговые устройства

  • Мфр. Часть #LT3502EMS

  • Лист данных LT3502EMS DataSheet

  • В наличии21083

365 Дни гарантии качества

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Description

The LT3502EMS is a high-efficiency, step-down switching regulator designed by Analog Devices. It is part of the larger family of power management integrated circuits (ICs) and is engineered to deliver a reliable output from a wide range of input voltages. Typically, it supports input voltages from 3.6V to 36V and can provide an output current of up to 500mA.
One of the key features of the LT3502EMS is its ability to maintain high efficiency over a broad load range, which is critical for battery-powered and energy-sensitive applications. It includes built-in protection features such as thermal shutdown, current limiting, and overvoltage protection to ensure safe operation. The regulator operates at a fixed frequency, which minimizes electromagnetic interference (EMI) and supports stable performance.
The device's compact size and robust functionality make it suitable for a variety of applications, including industrial control, automotive, and portable electronics. With its ease of use and reliability, the LT3502EMS is an excellent choice for engineers looking for a versatile power management solution.

Equivalent

The LT3502EMS is a step-down switching regulator. Potential equivalent products include:
1. LM2831X from Texas Instruments - A similar buck regulator with comparable features.
2. MIC4576 from Microchip - Another step-down regulator with similar specifications.
3. MC34063A from ON Semiconductor - A versatile DC-DC converter that can be configured as a step-down regulator.
Ensure to verify specific electrical characteristics and pin compatibility before replacing.

Features

The LT3502EMS is a compact, high-efficiency step-down switching regulator designed by Linear Technology. Here are its key features:
1. Input Voltage Range: It operates over a 3.6V to 36V input voltage range, accommodating a wide variety of power sources.
2. Output Current: The regulator can deliver up to 500mA of output current, making it suitable for moderate power applications.
3. Efficiency: It features high efficiency, typically above 90%, which helps in reducing power loss and thermal management issues.
4. Switching Frequency: The part operates at a fixed frequency of 2.2MHz, which allows for small external components and a compact design.
5. Low Quiescent Current: It has a low quiescent current, which is beneficial for battery-powered applications where power conservation is crucial.
6. Protection Features: The LT3502EMS includes built-in protection features like current limit, thermal shutdown, and short-circuit protection to enhance reliability.
7. Package: It is available in a thermally enhanced 8-lead MSOP package, allowing for good thermal performance in constrained spaces.
Overall, the LT3502EMS is suited for applications needing efficient power regulation in a compact form factor.

Pinout

The LT3502EMS is a step-down switching regulator produced by Analog Devices (formerly Linear Technology). It typically comes in a 10-lead MSOP (Mini Small Outline Package) with an exposed pad for enhanced thermal performance. The main pins and their functions are:
1. SW (Switch Pin): Connects to the inductor. This pin is the output of the internal power switch.
2. VIN (Input Voltage Pin): Supplies the input voltage to the device.
3. RUN/SS (Run/Soft-Start Pin): Used to enable the regulator and to provide soft-start functionality.
4. GND (Ground Pin): Ground connection for the device.
5. FB (Feedback Pin): Receives the feedback voltage from the output to regulate the output voltage.
6. VC (Compensation Pin): Compensation for the control loop.
7. RT (Timing Resistor Pin): Sets the switching frequency with an external resistor.
The LT3502 is designed for compact power supply designs, delivering up to 500mA output current with high efficiency and a wide input voltage range.

Manufacturer

The LT3502EMS is a product manufactured by Linear Technology Corporation, which is now part of Analog Devices, Inc. Linear Technology was known for designing and manufacturing high-performance analog integrated circuits. Analog Devices, the parent company, is a multinational semiconductor company that specializes in data conversion and signal processing technology. They offer a wide range of products including amplifiers, linear products, converters, RF ICs, sensors, and other components used in various electronic devices across multiple industries.

Application

The LT3502EMS is a step-down (buck) switching regulator designed for applications requiring efficient voltage conversion with small size and low power consumption. Key application areas include:
1. Telecommunications Equipment: Power regulation for various systems.
2. Automotive Electronics: Supplying stable voltages to in-vehicle systems.
3. Industrial Controls: Efficient power management for factory automation equipment.
4. Consumer Electronics: Powering devices like cameras and portable gadgets.
5. Medical Devices: Ensuring reliable power for portable and handheld medical equipment.
6. Networking Equipment: Powering routers, switches, and other networking hardware.
7. Battery-Powered Devices: Extending battery life by efficient power conversion.

Package

The LT3502EMS is a DC/DC step-down voltage regulator from Analog Devices, formerly Linear Technology. It comes in a MSOP (Mini Small Outline Package) with a specific designation of an exposed pad (EP) for better thermal performance, typically in an 8-lead configuration.

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