LT3956IUHE#PBF

PMIC - LED Drivers

LT3956IUHE#PBF is a highly efficient, high-output current linear LED driver with many applications ranging from miniature to large-scale LED lighting. The LT3956IUHE#PBF is designed to deliver high current while handling up to 28-V input voltage with a wide range of programmable output current values from 0.2 A to 6 A and a wide range of dimming frequencies from 0 Hz to 2 kHz. Its compact size and high efficiency make it ideal for applications such as LED street lights, stadium and landscape lighting, flood lights, and architectural Lighting.

The LT3956IUHE#PBF LED driver features a wide range of programmable features to meet various LED lighting requirements. The current range can be set from 0.2 A to 6 A using an external resistor. It has a wide dimming range from 0 Hz to 2 kHz to allow smooth lighting control. An external PWM input is also provided to further reduce power consumption when needed. The device also offers a wide voltage range and can be operated from a single, double, or triple supply voltage.

In addition to its wide range of features, the LT3956IUHE#PBF LED driver also provides superior performance and high efficiency. It operates at a total efficiency of up to 95% over a wide range of load currents and has a dynamic overcurrent protection feature that provides additional safety. It is also highly integrated, providing protection against open, short, overvoltage, and undervoltage conditions.

The LT3956IUHE#PBF LED driver is designed to offer high power while remaining compact in size. It can be compactly mounted on a single-sided printed circuit board and is also suitable for applications requiring a board-mounted low power LED driver. Its wide range of features and superior performance make it an ideal choice for LED lighting applications in both residential and commercial applications.

The working principle behind the LT3956IUHE#PBF LED driver is a linear current mode control architecture that employs an adjustable feedback and output voltage. The feedback and output voltage control the switch on and off times of the switch-mode power supply, allowing for high efficiency and power conversion. The power supply output voltage and the load current are constantly monitored, and the output current can be adjusted through an external resistor. The current limit is typically set to 75% to 80% of the nominal current to protect against overcurrent conditions.

In conclusion, the LT3956IUHE#PBF LED driver offers many features for applications ranging from miniature to large-scale LED lighting. Its wide range of features, superior performance, and high efficiency make it an ideal choice for LED lighting applications. In addition, its adjustable feedback and output voltage control make it easy to customize to suit the needs of any application.