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LT3580EDD#PBF
+BOMIC REG MULTI CONFG ADJ 2A 8DFN
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ManufacturerAnalog Devices Inc.
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Mfr. Part #LT3580EDD#PBF
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Datasheet LT3580EDD#PBF DataSheet
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Package DFN8
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In Stock6228
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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
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
Features
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 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
Application
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.