LT3964IUHE#PBF

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LT3964IUHE#PBF is a power management integrated circuit (PMIC) designed to drive multiple series connected LEDs. Using a low-cost, wide-input voltage range, the device can be used to drive up to five LEDs dimly or quickly with its advanced dimming features. The device is suitable for a wide range of applications, such as LCD backlighting, LCD displays, LCD monitors, automotive displays, and street lighting. This article will introduce the application fields and working principle of the LT3964IUHE#PBF.

The LT3964IUHE#PBF can be used in a variety of LED lighting applications. For example, it can be used for LED street lights, LED Bluetooth and WiFi enabled lights, LED panel lights, LED tubelights and LED spotlights. In addition, the device is designed to provide efficient, adjustable, dimmable and controllable lighting with its wide range of output possibilities. The device is also suitable for low-power automotive applications such as parking lights, dashboard lights and roof lights.

The LT3964IUHE#PBF also provides a wide range of adjustable dimming features. It can dim the LEDs from 0 to 100%, with up to 256 dimming levels available. It also allows for smooth dimming without flicker or buzzing. The device is also equipped with a temperature shutdown system to ensure the LEDs remain within their safe operating temperature. Furthermore, the device can be externally shut down for reduced power consumption.

The working principle of the LT3964IUHE#PBF is based on a switched-mode principle. The device uses a buck-boost converter with a synchronous rectifier and a MOSFET driver stage. The converter has a PWM dimmer, a voltage regulator and a current limiter. The synchronous rectifier is used to convert high voltage AC or DC input to DC output with high efficiency. The MOSFET driver stage is used to drive the LEDs and provides a fast, stable and safe dimming operation. The voltage regulator regulates the output voltage and the current limiter limits the maximum current to the LEDs.

The LT3964IUHE#PBF device is designed to provide an efficient, reliable and economical solution for LED driving applications. It offers adjustable and dimmable outputs, a wide range of input voltages and a temperature shutdown system for safe operation. The device is suitable for a variety of LED lighting applications, from street lighting to automotive and industrial applications.

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