LM27965SQX

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The LM27965SQX from Texas Instruments is a highly efficient and constant current LED driver module. It is designed primarily for use in driving high brightness LEDs (HB LEDs) in applications such as backlighting for LCD panels and other general lighting. The module features an integrated, adjustable boost regulator and high-side current sense amplifier all in a compact 7mm x 7mm package.

The LM27955SQX is designed to meet the stringent requirements of modern, high-efficiency HB LED drivers. With its wide input voltage range, it can be used with a wide range of LED strings. The integrated Boost regulator and high-side current sense amplifier ensure an optimized LED current, while the adaptive Constant-Current (CC) control limit helps maintain maximum LED efficiency and eliminate LED flicker.

The LM27955SQX is designed primarily for output current applications in the range of 30 mA to 200 mA, with the output voltage adjustable over a wide range. It features integrated, adjustable soft-start, short-circuit protection, and thermal shutdown protection. The module can be easily configured for either step-up or step-down operating mode using an external resistor and is protected against damaging effects of output Negative Transient Clamping and Reverse Polarity Voltage.

The LM27955SQX is ideal for a wide range of AC or DC input voltage applications and can be easily used in both commercial and industrial applications. It is the perfect solution for high efficiency HB LED drivers that require optimized LED current, minimal dimming flicker, and a wide input voltage range.

The LM27955SQX is a highly efficient, constant current LED driver module that can be easily configured for either step-up or step-down operating modes. Its integrated Boost regulator and high-side current sense amplifier ensure an optimized LED current and minimal LED flicker, with wide input voltage range of up to 75V. Its thermal shutdown and short-circuit protection features also provide added protection for LED drivers. With its low cost and high efficiency, it has become the ideal choice for many high-power LED applications.

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