LT3763EFE

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LT3763EFE

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IC LED DRVR CTRL PWM 20A 28TSSOP

  • HerstellerAnalog Devices Inc.

  • Herstellerteil #LT3763EFE

  • Auf Lager5678

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Spezifikationen

Attribut Wert
Part Status Obsolete
Base Product Number LT3763
Type DC DC Controller
Topology Step-Down (Buck)
Internal Switch(s) No
Number of Outputs 1
Voltage - Supply (Min) 6V
Voltage - Supply (Max) 60V
Voltage - Output 55V
Current - Output / Channel 20A
Frequency 200kHz ~ 1MHz
Dimming PWM
Applications Lighting
Operating Temperature -40°C ~ 125°C (TJ)
Grade Automotive
Mounting Type Surface Mount
Package 28-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package 28-TSSOP-EP
Packaging Tube

Übersicht

Description

The LT3763EFE is a high-performance, high-current LED driver controller designed by Analog Devices. It is specifically tailored for use in boosting, buck-boost, and buck configurations, making it versatile for various LED applications. The device operates with an input voltage range from 6V to 60V, supporting a wide spectrum of power sources. It integrates a fixed frequency, current-mode architecture, which ensures stable operation and high efficiency, typically necessary for driving high-brightness LEDs.
One of the key features of the LT3763EFE is its ability to deliver accurate LED current regulation and dimming control, which can be achieved through analog or PWM dimming techniques. It also includes an internal PWM generator for simplified LED dimming without an external PWM signal. The device provides robust protection features such as output short-circuit protection, overvoltage protection, and thermal shutdown to ensure safe operation under various conditions. Ideal applications for the LT3763EFE include automotive lighting, industrial lighting, and other LED-based illumination systems.

Equivalent

The LT3763EFE is a high-power LED controller from Analog Devices. Equivalent products may include:
1. Texas Instruments LM3409 - A high-brightness LED driver with a similar functionality.
2. Maxim Integrated MAX16821 - A step-down constant-current LED driver.
3. On Semiconductor NCL30160 - A high-brightness LED driver.
4. Infineon ILD6150 - A DC-DC converter for LED driving applications.
These alternatives offer similar capabilities for driving high-power LEDs with constant current regulation.

Features

The LT3763EFE is a high-performance DC/DC controller designed for LED driver applications. Key features include:
1. Wide Input Voltage Range: It supports an input voltage range from 6V to 60V, making it suitable for various power supply conditions.
2. Output Current Regulation: It provides accurate output current regulation, essential for consistent LED brightness.
3. High Efficiency: The controller is designed to deliver high efficiency over a wide range of output voltages and currents.
4. PWM Dimming: It supports PWM dimming for brightness control, offering a range up to 3000:1 for precision adjustments.
5. Fault Protection: It includes features like overcurrent, overvoltage, and overtemperature protection to enhance reliability.
6. Spread Spectrum Frequency Modulation: This feature helps minimize EMI emissions, critical for sensitive applications.
7. Flexible Topology: The LT3763EFE can be configured for buck, boost, buck-boost, or SEPIC topologies, providing versatility for different design requirements.
8. Integrated Fault Indicator: It has a fault indicator pin for diagnostic purposes.
These features make the LT3763EFE a versatile and efficient choice for LED driver applications in automotive, industrial, and architectural lighting systems.

Pinout

The LT3763EFE is a high performance DC/DC controller designed for driving high current LEDs. It comes in a 28-lead TSSOP (Thermally Enhanced Thin Shrink Small Outline Package) package. This package allows for efficient thermal management, which is critical for LED driver applications.
The main functions of the LT3763EFE include:
1. Current Regulation: It delivers accurate regulation of the LED current, ensuring consistent brightness and color over a wide range of operating conditions.
2. High Efficiency: The device is designed for high-efficiency operation, which is important for minimizing power loss and heat generation in LED applications.
3. PWM Dimming: It supports PWM dimming, allowing precise control over LED brightness.
4. Fault Protection: It includes built-in protection features such as overvoltage, overcurrent, and overtemperature protection to ensure safe operation.
5. Versatile Operation: It can operate in a wide range of input voltages and configurations, making it suitable for various applications.
The LT3763EFE is widely used in applications requiring high power LED driving, such as automotive lighting, architectural lighting, and general illumination.

Manufacturer

The LT3763EFE is manufactured by Analog Devices, Inc. Analog Devices is a semiconductor company that specializes in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is known for its high-performance products that are used in a wide range of applications across various industries, including industrial, automotive, consumer electronics, communications, and healthcare. Analog Devices provides solutions that bridge the physical and digital worlds, enabling advancements in technology through their innovative products.

Application

The LT3763EFE is a high-power, synchronous step-up DC/DC controller. Its application areas include LED lighting systems, battery-powered devices, and automotive lighting systems. It is particularly suitable for applications requiring constant current and high efficiency, such as driving high-current LEDs or powering battery chargers. Additionally, the LT3763EFE can be used in industrial and consumer electronics where efficient power conversion is critical. Its wide input voltage range and robust current regulation make it versatile for use in various power supply designs and energy storage systems.

Package

The LT3763EFE is available in a 28-lead TSSOP (Thin Shrink Small Outline Package) with exposed pad for enhanced thermal performance.

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