The LT3782EFE#TRPBF is a high-performance, dual, 2-phase step-up DC/DC controller designed by Linear Technology, now part of Analog Devices. This robust component is engineered to drive high power LEDs, and it is particularly well-suited for applications requiring a constant current and constant voltage. Its versatility makes it an excellent choice for a broad range of applications, including automotive, industrial, and general lighting systems.
Key Features:
- Wide Input Voltage Range: The device can operate with an input voltage range from 2.8V to 22V, making it suitable for a variety of power sources.
- Dual 2-Phase Operation: This controller uses a dual 2-phase step-up architecture that reduces input and output ripple and allows for the use of smaller, lower cost inductors and capacitors.
- High Output Voltage: The LT3782EFE#TRPBF is capable of generating output voltages up to 60V, which is ideal for driving multiple LED strings.
- Constant-Current and Constant-Voltage Regulation: The device can be programmed for both constant-current and constant-voltage applications, ensuring precise control over the output for a variety of load conditions.
- Adjustable Frequency: The switching frequency is adjustable from 200kHz to 2MHz, allowing designers to optimize efficiency, performance, and component size.
- Robust Protection Features: Includes overvoltage protection, open LED protection, and short-circuit protection, which enhance the safety and reliability of the end application.
Applications:
The LT3782EFE#TRPBF is adept for powering high-brightness LEDs and is also applicable in battery-powered equipment, boost converters, and power supplies where a precise current regulation is required. Its thermal performance is optimized with a thermally enhanced TSSOP-20 package, ensuring reliable operation in a wide temperature range.
Package and Availability:
This component is available in a TSSOP-20 package with exposed pad for improved thermal performance. The part number LT3782EFE#TRPBF indicates that the product is provided in tape and reel packaging, suitable for automated assembly processes.