LT3518HFE#TRPBF

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The LT3518HFE#TRPBF is a high performance, low noise, and high efficiency programmable boost Intermediate Circuit (PMIC-LED Driver). It is optimized for driving high power LEDs with successive output currents of up to 350mA. The combination of the high output current and high efficiency makes the LT3518HFE#TRPBF an ideal choice for powering high power LEDs in a variety of lighting applications.

The LT3518HFE#TRPBF boosts input voltage up to a programmable open-circuit output voltage, allowing designers to employ unparalleled control over the light output. By allowing the designer to select the output voltage and separate current control loops, the LT3518HFE#TRPBF is an ideal solution for applications where high efficiency and system compliance is critical. The device has comprehensive safety features including over voltage, over temperature and over current protection. The LT3518HFE#TRPBF also supports current sinking and sourcing, making it ideal for a variety of lighting systems.

The LT3518HFE#TRPBF takes input voltage between 4V to 30V and boosts it to a configurable output voltage up to 32V. Output current is programmable via a sense resistor up to 350mA, with accuracy within ±3%. The input current range is between 6mA and 350mA. The total LED string voltage is limited to 8V above the regulated output voltage and the LED current, when configured for constant current operation, is regulated within ±3%.

The LT3518HFE#TRPBF is available in a lead-free DFN package, making it more environment-friendly and a great choice for space-constrained applications. Additionally, the device supports external synchronization for phase dimming and compatible with the most popular dimming protocols, allowing for the integration of lighting systems in a variety of applications.

The LT3518HFE#TRPBF features a two-phase interleaved architecture that reduces input and output ripple and improves the driver’s efficiency. In addition, the device operates at 450kHz and requires minimum external components, including only a single inductor. The device also has integrated protection features and various dimming control inputs (analog, I2C and PWM). These features make the LT3518HFE#TRPBF a great choice for energy-efficient lighting systems in a variety of applications.

In summary, the LT3518HFE#TRPBF is an ideal solution for applications that require high efficiency and precision control of the light output. Its programmable output voltage, combined with wide input voltage range and high accuracy make it an excellent choice for any lighting application. Additionally, the device’s integrated protection features and low noise operation make it an ideal choice for energy-efficient lighting systems. It is available in a DFN package making it a great choice for space-constrained applications. All these features make the LT3518HFE#TRPBF a great choice for PMIC-LED driver applications.

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