IS31BL3506B-TTLS2-TR

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IS31BL3506B-TTLS2-TR LED Driver Application Field and Working Principle

The IS31BL3506B-TTLS2-TR LED driver is a current-sink LED driver for PMIC applications, specifically for LED lighting, backlighting and active-matrix displays. It has an integrated internal voltage regulator, a maximum 50mA current, and built-in thermal/over-temperature protection. It also features high-speed switching, low standby current, and low operating frequency. The IS31BL3506B-TTLS2-TR LED driver is designed to drive up to 19 LEDs in any combination of strings and/or current mirrors. It is designed with a thermally-protected precision current-sink driver and contains a TrueShutdown function, a low quiescent current, a low input voltage of 2.5V and a pin-selectable adaptive current-sink output with a wide selection of current outputs. This LED driver is recommended for use in high-current LED applications, such as ribbon and dot matrix displays, and in automated ambient light sensing or environmental monitoring, or any other applications where a temperature-protected precision current sink is required.

The working principle of the IS31BL3506B-TTLS2-TR LED driver is simple and effective. It consists of two control modes: constant current mode and pulse width modulation (PWM) mode. In the constant current mode, LEDs are supplied with a constant current, regardless of their forward voltage or LED type. In the PWM mode, the driver works by toggling the on and off periods of the LED current to regulate the LED\'s brightness. This mode requires a higher switching frequency, which results in a lower ripple output. The driver also features an adaptive current-sink output, which enables it to respond to changes in the LED\'s forward voltage. Additionally, the driver contains a thermal/over-temperature protection to prevent the LEDs from burning out. This is especially useful when working with high-power LEDs, which generate more heat during operation. The IS31BL3506B-TTLS2-TR LED driver is an ideal choice for driving LEDs in automotive, communication, illumination, display, and other applications. It is capable of driving high-power LEDs with a wide selection of current values. It also features a low-ripple output, a TrueShutdown function, low standby current, and a wide selection of current outputs. It is durable, reliable, and easy to use, making it an ideal choice for any application where precision current control is required.

The IS31BL3506B-TTLS2-TR LED driver is an efficient and reliable current-sink driver for PMIC applications, specifically for LED lighting, backlighting, and active-matrix displays. It has an integrated internal voltage regulator, a maximum 50mA current, and built-in thermal/over-temperature protection. With its pin-selectable adaptive current-sink output, low quiescent current, and TrueShutdown function, it is capable of driving high-power LEDs and providing a low-ripple output. These features make it an ideal choice for any party searching for a temperature-protected precision current sink.

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