IS31LT3353-STLS4-TR

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The IS31LT3353-STLS4-TR power management integrated circuit (PMIC) is a high-performance LED driver designed to control lighting applications in a wide range of configurations. It is specifically designed to drive both standard and step-dimmable lamp arrays, offering a wide range of features including a maximum 200mA continuous output current and up to 500mV standby voltage. The IS31LT3353-STLS4-TR also features built-in protection features to ensure reliable operation with protection against over-current, over-voltage, and short-circuit conditions.

The IS31LT3353-STLS4-TR allows for a variety of lighting control options. It provides a constant current control mode that allows for full range brightness adjustment from dimly lit to full on with a single processor pin or via Pulse Width Modulation (PWM). In addition, the device allows for a smooth transition between high and low intensity levels via the linear transition mode of operation. The device also provides a step-dimmable lighting control option, allowing for 4 levels of dimming via external resistors.

The IS31LT3353-STLS4-TR utilizes an internal current regulator to keep the output current within a specified range. This ensures a constant current output at all times and allows for efficient operation. A wide input voltage range of 3.3V to 42V allows the IS31LT3353-STLS4-TR to be used in a wide variety of environments. In addition, the device features a low quiescent current of 6uA.

The IS31LT3353-STLS4-TR supports a wide array of LED packages and provides an industry-standard 32-bit register Interface for programming. An onboard LED fault protection feature allows LED strings to be protected against open-circuit and short-circuit conditions. The device also includes an integrated thermal protection circuit that allows for safe operation in high temperature environments.

The IS31LT3353-STLS4-TR is ideal for applications that require a highly efficient and robust LED control solution. It is suitable for power-supply applications ranging from 3.3V to 42V and is designed to ensure reliable operation in a wide variety of illumination and display applications. The device also features a wide range of features such as soft start, adjustable pulse frequency and dimming rate, digital dimming, internal/external flash dimming, and output short-circuit protection.

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