LTC3783EFE

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LTC3783EFE

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Switching Voltage Regulators LTC3783 - PWM LED Driver and Boost, Flyback and SEPIC Converter

  • ПроизводительАналоговые устройства

  • Мфр. Часть #LTC3783EFE

  • Лист данных LTC3783EFE DataSheet

  • В наличии28869

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Description

The LTC3783EFE is a high-performance, high-efficiency DC/DC controller manufactured by Analog Devices. It is designed for boost, SEPIC, and flyback applications. The device operates over an input voltage range of 2.7V to 30V and can produce a regulated output voltage up to 60V, making it suitable for a variety of power supply designs. The LTC3783EFE features a fixed 200kHz switching frequency, which can be synchronized to an external clock for noise-sensitive applications. It employs a current mode control scheme, allowing for fast transient response and easy loop compensation. The controller includes built-in protection features such as short-circuit protection, overvoltage protection, and thermal shutdown to enhance reliability. With its compact 16-lead TSSOP package, the LTC3783EFE is ideal for space-constrained designs. Its operational versatility and robust performance make it a popular choice for powering LED drivers, battery-powered systems, and industrial power supplies.

Equivalent

The LTC3783EFE is a high-performance buck-boost DC/DC controller. Some equivalent products include:
1. Texas Instruments LM5175: A wide VIN four-switch buck-boost controller.
2. Analog Devices ADP2503: A buck-boost DC-to-DC converter.
3. Maxim Integrated MAX77812: A highly efficient buck-boost converter.
4. Microchip Technology MCP1630: A high-speed pulse width modulator.
These equivalents may vary in features and specifications, so it's important to compare them based on your specific application needs.

Features

The LTC3783EFE is a high-performance, current mode boost, flyback, SEPIC, and inverting DC/DC controller by Analog Devices. Key features include:
1. Wide Input Voltage Range: It operates with input voltages from 2.7V to 10V, making it versatile for various power sources.
2. High Efficiency: The controller enables high efficiency over a wide load range by using a low quiescent current and burst mode operation.
3. Current Mode Control: Facilitates simple loop compensation and fast transient response, enhancing performance stability.
4. Programmable Operating Frequency: The frequency can be set between 200kHz and 600kHz, offering flexibility in application designs.
5. Soft-Start Capability: Minimizes inrush current during startup, protecting components and extending system lifespan.
6. Low Shutdown Current: The shutdown mode reduces current to less than 1µA, conserving power in inactive states.
7. Thermal Shutdown: Protects the device from overheating, ensuring reliability and longevity.
These features make the LTC3783EFE suitable for a variety of applications including battery-powered devices, telecom, automotive, and industrial systems.

Pinout

The LTC3783EFE is a high-performance DC/DC controller from Analog Devices, specifically designed for boost, SEPIC, flyback, and other step-up converter applications. It typically comes in a 16-lead TSSOP package.
The pin functions are generally as follows:
1. VIN: Input voltage.
2. SHDN/UVLO: Shutdown and undervoltage lockout.
3. FB: Feedback voltage input.
4. COMP: Compensation pin.
5. GND: Ground.
6. SW: Switch node.
7. TG: Top gate drive.
8. BG: Bottom gate drive.
9. BOOST: Boost capacitor connection.
10. VCC: Internal regulator output.
11. SS: Soft-start.
12. SYNC: Frequency synchronization.
13. RT: Timing resistor for setting frequency.
14. BURST_EN: Burst mode enable.
15. PGOOD: Power good indicator.
16. ILIM: Current limit programming.
These pins support its functionality in regulating voltage, controlling power efficiency, and providing protection features in various power conversion applications. Always refer to the official datasheet for detailed specifications and application guidelines.

Manufacturer

The LTC3783EFE is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design, manufacturing, and marketing of a broad range of integrated circuits (ICs) and systems used in electronic equipment. The company focuses on high-performance analog, mixed-signal, and digital signal processing (DSP) technologies. Analog Devices serves a variety of industries, including communications, industrial, automotive, healthcare, and consumer electronics, providing components and solutions that are integral to the functioning of electronic systems. The company's products are used in a wide array of applications, ranging from data conversion and signal conditioning to power management and more.

Application

The LTC3783EFE is a high-performance switching regulator controller used in various applications. It is ideal for DC/DC converter designs, particularly in battery-operated devices, automotive systems, and portable electronics, due to its wide input voltage range and high efficiency. The controller is suitable for boost, SEPIC (Single-Ended Primary-Inductor Converter), and flyback converter applications. It is often used in LED drivers, where precise voltage and current regulation are essential. Additionally, the LTC3783EFE can be found in power management systems that require low quiescent current and high-output voltage applications, making it versatile for both consumer electronics and industrial power supplies.

Package

The LTC3783EFE is housed in a 16-lead Plastic TSSOP (Thin Shrink Small Outline Package) with Exposed Pad, known as the "FE" package type. This package aids in thermal management, enhancing heat dissipation.

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