LT3761EMSE#TRPBF

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LT3761EMSE#TRPBF

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IC LED DRIVER CTRLR PWM 16MSOP

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仕様

属性
Series True Color PWM™
PartStatus Active
Type DC DC Controller
Topology Flyback, SEPIC, Step-Down (Buck), Step-Up (Boost)
InternalSwitch(s) No
NumberofOutputs 1
Voltage-Supply(Min) 4.5V
Voltage-Supply(Max) 60V
Frequency 100kHz ~ 1MHz
Dimming Analog, PWM
OperatingTemperature -40°C ~ 125°C (TA)
MountingType Surface Mount
Package/Case 16-TFSOP (0.118", 3.00mm Width) Exposed Pad
SupplierDevicePackage 16-MSOP-EP
BaseProductNumber LT3761

概要

Description

The LT3761EMSE#TRPBF is a high-performance LED controller manufactured by Analog Devices, formerly Linear Technology. It is specifically designed for driving high-current LEDs and offers several features that make it ideal for a wide range of applications, including automotive, architectural, and general lighting systems.
Key features of the LT3761EMSE#TRPBF include a wide input voltage range, typically 6V to 60V, and the ability to deliver up to several amperes of output current. It uses a constant current and constant voltage regulation, ensuring precise control over LED brightness and efficiency. The device supports both analog and PWM dimming, offering flexibility in brightness control.
The controller integrates a high-side current sense amplifier, a PWM dimming MOSFET driver, and a robust protection suite, including open and short LED protection, ensuring reliability. Its thermally enhanced MSOP package helps in efficient heat dissipation.
Overall, the LT3761EMSE#TRPBF is a versatile and robust solution for high-power LED applications, offering high efficiency, accurate control, and built-in safety features.

Equivalent

The LT3761EMSE#TRPBF is a LED controller designed by Analog Devices (formerly Linear Technology). Equivalent products from other manufacturers include:
1. Texas Instruments LM3409 - LED driver controller for high-brightness LEDs.
2. NXP Semiconductors UBA3070 - LED controller for general application.
3. ON Semiconductor NCL30160 - High-voltage LED driver controller.
These alternatives should be evaluated based on specific application requirements and performance criteria.

Features

The LT3761EMSE#TRPBF is a versatile LED controller designed by Analog Devices. It features a wide input voltage range from 6V to 100V, making it suitable for a variety of applications. The device is capable of delivering high output power and can be configured to operate in either buck, boost, buck-boost, or SEPIC topologies. It includes a high-side PMOS switch driver and a current sense amplifier for accurate LED current regulation. The controller also supports both analog and PWM dimming, providing flexibility in brightness control.
Key features include:
1. Wide Input Voltage Range: 6V to 100V.
2. Flexible Topologies: Supports buck, boost, buck-boost, or SEPIC configurations.
3. Current Sense Amplifier: Ensures precise LED current regulation.
4. Dimming Options: Supports both analog and PWM dimming techniques.
5. Protection Features: Includes short-circuit protection and thermal shutdown to safeguard against operational failures.
These features make the LT3761EMSE#TRPBF suitable for automotive, industrial, and general-purpose lighting applications.

Pinout

The LT3761EMSE#TRPBF is a high-power LED controller with a 20-pin configuration. It is designed to drive high-current LEDs efficiently and includes features such as an internal PWM dimming generator, a fault status pin, and an accurate output current regulation. The device operates as a constant-current and constant-voltage synchronous step-up (boost), step-down (buck), or SEPIC controller. Key functions include:
- Output Current Regulation: Maintains consistent LED current.
- PWM Dimming: Enables brightness control.
- Fault Protection: Monitors and reports errors like open-circuit or short-circuit conditions.
- Efficiency Optimization: Uses synchronous rectification to improve efficiency.
The 20-pin configuration supports compact integration in various power supply designs, making it versatile for high-performance LED applications.

Manufacturer

The LT3761EMSE#TRPBF is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing analog, mixed-signal, and digital signal processing (DSP) integrated circuits. The company provides solutions for a wide range of industries, including automotive, industrial, healthcare, communications, and consumer electronics. Known for their high-performance products, Analog Devices focuses on innovation in areas such as data conversion, signal processing, power management, and RF and microwave technology.

Application

The LT3761EMSE#TRPBF is a versatile LED controller used in various applications. Key areas include automotive lighting, where it manages headlamps, tail lights, and interior illumination. It's also utilized in industrial and architectural lighting for efficient LED driving with high accuracy and reliability. Moreover, it's suitable for battery-operated devices due to its high efficiency and low power consumption. Its ability to support high-current LEDs makes it ideal for applications requiring precise current control and dimming, such as signage, display backlighting, and general-purpose illumination systems.

Package

The LT3761EMSE#TRPBF is packaged in a 16-lead plastic MSOP (Mini Small Outline Package) with exposed pad. This package type is designed for efficient thermal performance and is suitable for compact, high-density applications.

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