LT3755EMSE-2#PBF

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LT3755EMSE-2#PBF is a LED driver power management integrated circuit (PMIC) designed by Linear Technology. It has a high-voltage, low-dropout (VLDO) LED Driver that can drive up to eight LEDs in series. It can be used for applications such as automotive lighting, LED backlighting and LED signage. The LT3755EMSE-2#PBF can operate from a voltage range of 4.5V to 70V and provides a maximum output current of 2A. It has a switching frequency of 1MHz and provides a low noise voltage regulation.

The LT3755EMSE-2#PBF has several features that make it suitable for LED applications. The LED driver has a wide differential amplifier bandwidth of up to 100kHz that allows for fast on/off switching and a PWM dimming interface that can be used to provide a smooth dimming control range. The device also has an internal linear voltage regulator (VLDO) that provides a low-dropout voltage regulation and can be used to reduce power dissipation. The LT3755EMSE-2#PBF is designed with an overtemperature protection feature that prevents the device from overheating and ensures it operates safely.

The LT3755EMSE-2#PBF uses a Charge Pump Switching Regulator to convert a DC input voltage into a regulated, high-voltage output. The Charge Pump Switching Regulator is a buck-boost converter with an internal charge pump that utilizes a self-oscillating control circuit to convert the input voltage into a stable, high-voltage output. This makes the LT3755EMSE-2#PBF suitable for applications that require a constant high-voltage output, such as LED lighting. The LT3755EMSE-2#PBF also provides over-voltage and short-circuit protection to ensure the device is protected from excessive current.

The LT3755EMSE-2#PBF also includes an integrated dimmer interface that allows the user to control the intensity of the LED output. This feature can be used to save power, as well as provide a smoother dimming curve. The dimmer interface features a logic input that can be controlled using a microcontroller. The LT3755EMSE-2#PBF also features a thermal protection circuit that shuts down the device when it is exceeded a recommended temperature. This protection feature helps to ensure that the device operates safely and prevents it from being damaged.

The LT3755EMSE-2#PBF is an ideal LED driver for automotive and LED sign applications. It has a wide input voltage range, a high-efficiency charge pump, and an integrated dimmer interface. It is also protected from over-voltage and short-circuit events, and is designed with a thermal protection circuit. The LT3755EMSE-2#PBF is a highly efficient and reliable LED driver that can be used in a variety of applications.

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