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ZXLD1362QET5TA: Application Field and Working Principle

ZXLD1362QET5TA is a high-efficiency white LED driver that is widely used in many applications, such as Powered Video Communication (PVC) Displays and automotive lighting. It is a low-cost, ultra-low quiescent current, high-efficiency, white LED driver integrated circuit (IC) from Texas Instruments.The ZXLD1362QET5TA is a monolithic high-efficiency converter optimized for driving white LEDs connected in series. It is intended to be used in combination with a DC power supply.

Application Field

The ZXLD1362QET5TA is designed to meet both aerospace and industrial applications. It is ideal for applications such as high-end monitor backlighting, automotive dashboard illumination, and matrix illumination. It is also used in many Mobile phones and Portable Media Players. It is also used in Displays for Portable Electronics, Industrial and Rechargeable Lighting, Portable Electronics, and Multi-Channel Display Backlighting.

Working Principle

The ZXLD1362QET5TA is designed to work in a buck-boost (step-up/step-down) mode, by regulating the output current following a simple control loop with an external connection to the LED cathode. The device can be connected in series with a supply voltage ranging from 3.2V to 10V, and the output current is then regulated down to the current set by an external control voltage. The built-in temperature protection circuitry eliminates excessive junction temperature that could lead to failure. The ZXLD1362QET5TA also features current fold-back and a very low quiescent current for superior efficiency and power conservation.

Conclusion

The ZXLD1362QET5TA from Texas Instruments is a high-efficiency white LED driver that is ideal for a variety of applications in aerospace, industrial and consumer markets. It offers high-efficiency, temperature protection and very low quiescent current for superior efficiency and power conservation. It is a low-cost, low quiescent current, and high-efficiency, white LED driver IC from Texas Instruments.

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