Holds a constant current 3A buck regulator. Input voltage is 4.5 to 40V. For automotive and aircraft lighting, etc.
The PWM dimming LED driver 'IS32LT3954' is used in various automotive lighting applications, as well as in aircraft lighting and interior lighting. It is a buck regulator equipped with a wide input voltage range, low reference voltage, fast output response, and excellent PWM dimming performance, making it suitable for driving high-current LED strings. With a wide input voltage range of 4.5 to 40V, it supplies a constant current of up to 3A, capable of driving a single LED or multiple LEDs connected in series. 【Features】 ■ Fault report function ■ True average output current control ■ Current limiting per cycle ■ Dimming via direct logic input or power supply voltage ■ Internal control loop compensation ■ Under-voltage lockout (UVLO) and thermal shutdown protection *For more details, please refer to the documentation. Feel free to contact us with any inquiries.
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【Other Features】 ■ 2μA low power shutdown ■ EMI optimization through spectrum spreading ■ Robust fault prevention and reporting functions: - Pin-to-GND short - Component open/short faults - Short between adjacent pins - LED open/short ■ AEC-Q100 certification application in progress *For more details, please refer to the documentation. Feel free to contact us with any inquiries.
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*For more details, please refer to the materials. Feel free to contact us as well.*
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In the highly competitive semiconductor industry, ISSI aims to provide our customers with "The Lowest Total Cost of Ownership" as our guiding principle. Rather than focusing on short-term perspectives, we strive to be chosen by our customers from a long-term viewpoint. We will continue to address various business opportunities and solve all challenges while always keeping an eye on market and technological changes.