مدار مجتمع (آی سی) آی‌سی مدیریت توان (پی‌ام‌آی‌سی) آی‌سی درایور ال‌ای‌دی

Product Attributes

Features

• Buck constant-current driver IC in continuous conduction mode
• Drives one or more series-connected LEDs when input voltage exceeds LED voltage
• Input voltage range 6V to 50V, adjustable output current up to 1A
• Integrated power switch and high-side current sensing circuit
• LED average current set via external resistor; analog dimming and PWM dimming via ADJ pin
• Integrated PWM filter for soft-start functionality; soft-start time extendable by adding external capacitor between ADJ pin and GND
• Power switch turns off and enters ultra-low standby current state when ADJ voltage falls below 0.2V
• SOT89-5 package
• Minimal external components
• Constant current output up to 1A
• Single-pin ON/OFF control, analog dimming, and PWM dimming
• Integrated PWM filter
• Proprietary frequency dithering technology for reduced EMI
• Efficiency up to 97%
• Wide input voltage range: 6V to 50V
• Switching frequency up to 1MHz
• LED open-circuit protection
• 2% output current accuracy

Applications

• Low-voltage LED spotlights replacing halogen lamps
• Automotive LED lighting
• Low-voltage industrial lighting
• LED backup lights
• LED signal lights
• LED stage lighting