Product Overview: LT3486EDHC#TRPBF
The LT3486EDHC#TRPBF is a high-performance, dual-output, step-up DC/DC converter designed and manufactured by Linear Technology. This advanced power management integrated circuit is specifically engineered to drive light-emitting diodes (LEDs) with a constant current for uniform brightness and enhanced reliability. The device is particularly well-suited for applications in portable devices, automotive and industrial lighting, and backlighting for LCD displays.
Key Features
- Wide Input Voltage Range: The LT3486EDHC#TRPBF operates from an input voltage range of 2.5V to 16V, making it versatile for various power sources, including single-cell lithium-ion batteries.
- Dual Independent LED Drivers: It includes two internal 36V, 1.3A switches, allowing it to drive two strings of LEDs with up to 10 white LEDs in series, providing consistent brightness and performance.
- High Efficiency: The device features high efficiency of up to 96%, which helps in reducing power loss and improving battery life in portable applications.
- Adjustable Frequency: The switching frequency is adjustable from 330kHz to 2.1MHz, enabling designers to optimize the size and response of the external components.
- True Color PWM Dimming: The LT3486EDHC#TRPBF offers true color pulse-width modulation (PWM) dimming, which delivers constant LED color with varying brightness levels.
Protection Features
- Open LED Protection: The device includes open LED protection that safeguards the driver in case of an open circuit, ensuring a longer lifespan for the overall system.
- Thermal Protection: It also features thermal shutdown protection, which prevents damage from overheating.
Package and Reliability
The LT3486EDHC#TRPBF is offered in a compact, 16-lead DFN package with a thermal pad for efficient heat dissipation. The device is rated for operation from -40°C to 125°C, which ensures reliable performance in a wide range of environments and applications. With its robust design and comprehensive protection features, the LT3486EDHC#TRPBF is a dependable choice for driving high-brightness LEDs.
Linear Technology provides the LT3486EDHC#TRPBF as a solution for designers looking for a dual-output LED driver with high efficiency, flexibility, and reliability. Its performance characteristics make it an excellent choice for a broad array of lighting applications.