H6118A parameter characteristics introduction 4-48V low cost high performance DC antihypertensive LED driver chip

H6118a is a buck-down LED constant current driver for a continuous inductor current conduction mode for driving one or more LED strings. The H6118A operating voltage ranges from 5V to 40V, providing an adjustable output current, and the output current can reach 1.2A. The H6118A has a built-in power switch, which uses a high-end current detecting circuit. DIM supports PWM signal dimming and analog dimming, and the luminance can reach 65536. The H6118A has a built-in over-temperature protection circuit, and when the chip reaches the over-temperature protection point into the over-temperature protection mode, the output current gradually decreases to improve system reliability. The H6118A circuit architecture enables the output current without the output of the current, improve the LED working life, and the constant current circuit employed by the H6118A has excellent load adjustment and linear adjustment rate. H6118A adopts SOT89-5 package Free application and Demo test, free technical support, Pang La: 15323519289 WeChat Advantages: Low pressure High-end current detection Current accuracy ± 5% Built-in 50V low voltage MOS Input Wide Voltage 5 ~ 40V The output current can be up to 1.2A Maximum switching frequency: 1MHz High efficiency: up to 98% Support simulated dimming and PWM dimming PWM maximum luminance control frequency: 25khz Hall loop control, no loop compensation Built-in intelligent temperature protection, high temperature drop current Excellent load adjustment rate and linear adjustment rate typical application: Stage lights Intelligent lighting Washing light, landscape lighting LED spare light, signal light Architectural lighting, car lighting Low voltage LED spotlights instead of halogen lamps Typical schematic:, read full text

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