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SY7724QDC High Efficiency 4 String LED Driver with Built-in Boost Regulator

Wide input voltage range: 2.8-24V

Programmable switching frequency from 300kHz to 2MHz

Drives up to 4 strings of LEDs with up to 10 LEDs per string

Minimum on-time: 80ns typical

Adjustable overvoltage protection

Low Rdson of internal boost switch: 220mohm

10000:1 PWM brightness control at 200Hz

Dimming frequency: 100Hz~30kHz

+/- 2% current matching between strings guarantees over 10% dimming levels

Programmable LED current: up to 40mA per string. +/- 3% accuracy

Internal soft start

Compact package: QFN3x3-16 Si Lijie was established in 2008 and listed in 2013. Based on independent innovation, it has a global layout and is a technology leader in the analog chip industry. The annual growth rate over the past 10 years has exceeded 30%.

Main products include (more than 3000 main chips released): DC conversion chip, AC-DC conversion chip, multi-channel power management chip, LED lighting, LED backlight, fast charging, protection switch, light sensor, motor drive, static electricity / surge protection, meter metering, battery metering chips, etc.

Silicon Power was founded by a group of technology innovators and business leaders with 30 years of experience. We utilize industry-leading process technologies to design innovative mixed-signal and analog ICs used in industrial, consumer, computing and communications equipment to increase efficiency and conserve or measure energy usage.

Shenzhen Yujixin Electronics Co., Ltd.

Contact: Mr. Xiao

Mobile: +86-134-3077-2257 (same number on WeChat)

Tel: +86-0755-2870-8773

QQ: 1157099927 2039672975

E-mail: xiaozheng1608@163.com

Address of Shenzhen Office: Room B17, West 5th Floor, Building 4, SEG Science and Technology Park, Huaqiang North, Futian District, Shenzhen