LT3580EDD#PBF

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LT3580EDD#PBF

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IC REG MULTI CONFG ADJ 2A 8DFN

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Specifications

Attribute Value
Package Tube
ProductStatus Active
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Positive or Negative
Topology Boost, Cuk, SEPIC
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 2.5V
Voltage-Input(Max) 32V
Voltage-Output(Min/Fixed) 5V
Voltage-Output(Max) 42V (Switch)
Current-Output 2A (Switch)
Frequency-Switching 200kHz ~ 2MHz
SynchronousRectifier No
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case 8-WFDFN Exposed Pad

Overview

Description

The LT3580EDD#PBF is a versatile DC/DC converter from Analog Devices, designed for use in a variety of power supply applications. It features a wide input voltage range, typically between 2.5V to 32V, making it suitable for both portable and industrial equipment. The device integrates a high-efficiency 1A switch, capable of delivering output voltages up to 34V, which can be configured as either a step-up (boost), step-down (buck), or inverting converter.
Its internal 1.5MHz oscillator ensures fast switching, reducing the size of external components and enabling compact designs. The LT3580EDD#PBF also includes features like soft-start, which minimizes inrush current during start-up, and programmable undervoltage lockout (UVLO) to protect the device under low input voltage conditions.
The device is packaged in a thermally enhanced, 10-lead DFN package, ensuring efficient heat dissipation. These attributes make the LT3580EDD#PBF an excellent choice for applications requiring high efficiency, compact size, and flexibility in power supply design.

Equivalent

The LT3580EDD#PBF is a boost/inverting DC-DC converter from Analog Devices. Equivalent products would include similar boost/inverting converters from other manufacturers like the TPS61030 from Texas Instruments, the MAX8576 from Maxim Integrated, or the MC34063A from ON Semiconductor. Each of these products may have slightly different specifications, so ensure to check the datasheet for compatibility with your specific application requirements.

Features

The LT3580EDD#PBF is a versatile step-up DC/DC converter by Analog Devices. Key features include:
1. Input Voltage Range: Operates from 2.5V to 22V, making it suitable for a variety of power sources.
2. Output Voltage: Capable of boosting output up to 40V.
3. Switch Current: Features a built-in 1.9A, 42V switch.
4. Current Mode Control: Provides robust performance over a wide range of operating conditions.
5. Adjustable Frequency: Allows for synchronization to an external clock, ranging from 200kHz to 2.5MHz.
6. Low Shutdown Current: Consumes less than 1µA in shutdown mode to prolong battery life.
7. Feedback Voltage: The 1.235V reference voltage makes it easy to set the output voltage.
8. Soft-Start Functionality: Limits inrush current during startup.
9. Protection Features: Includes over-temperature protection and over-current protection.
These features make the LT3580EDD#PBF suitable for applications requiring efficient voltage boosting, such as battery-powered devices and portable electronics.

Pinout

The LT3580EDD#PBF is a step-up DC/DC converter with an integrated switch. It comes in a 10-pin DFN (Dual Flat No-lead) package. This device is designed to operate as a boost, SEPIC, or flyback converter, which makes it versatile for various applications.
The main functions of the LT3580 include:
- Integrated 2A switch.
- Wide input voltage range from 2.5V to 32V.
- Output voltage up to 40V.
- Frequency adjustability from 200kHz to 2.5MHz.
- Soft-start feature.
- External synchronization capability.
- Overtemperature protection.
Each pin serves a specific purpose in the operation of the device, such as input voltage (VIN), ground (GND), SW for switch node, FB for feedback, and SHDN/SS for shutdown and soft-start control. These features and pin functions allow the LT3580 to effectively manage power conversion in a compact and efficient manner.

Manufacturer

The LT3580EDD#PBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides solutions for a broad range of applications across various industries, including industrial, automotive, communication, consumer electronics, and healthcare. Known for its innovation and high-performance products, Analog Devices focuses on creating technologies that bridge the physical and digital worlds, enhancing the capabilities of its customers' products and systems.

Application

The LT3580EDD#PBF is a versatile DC/DC converter that is commonly used in various applications due to its efficiency and compact design. Key application areas include:
1. LED Drivers: Used for driving high-brightness LEDs in backlighting or display systems.
2. Battery-Powered Devices: Suitable for portable electronics where efficient power conversion is crucial.
3. Industrial Power Supplies: Provides stable power in industrial automation and control systems.
4. General Purpose DC/DC Conversion: Used in systems requiring step-up/step-down voltage conversion.
Its capability to handle multiple configurations such as boost, SEPIC, and inverting topologies makes it adaptable for a wide range of power management solutions.

Package

The LT3580EDD#PBF is a step-up (boost) DC/DC converter from Analog Devices, packaged in a 10-lead DFN (Dual Flat No-leads) package. This package type is compact, thermally efficient, and allows for surface mounting, making it suitable for space-constrained applications.

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