SL1571B 能够轻松实现将单节锂电池升压至 7V,并输出 1A 稳定电流的卓越表现。其独特的电路架构,赋予了它快速的升压响应速度。当美容面罩开启时,SL1571B 能迅速达到稳定工作状态,使美容面罩灯即刻全功率运行,节省用户等待时间,开启高效美容护理。
稳定性是 SL1571B 的一大亮点。它内置先进的稳压和恒流控制模块,无论锂电池电量处于何种状态,都能保证输出电压和电流的高度稳定。这对于美容面罩灯至关重要,因为稳定的光功率输出才能确保美容效果的一致性和可靠性。无论是刺激肌肤细胞活性的红光,还是改善肌肤炎症的蓝光,SL1571B 都能提供持续稳定的电力保障。
在能源利用上,SL1571B 同样表现优异。它拥有极高的转换效率,在实现升压供电的同时,有效降低了能量损耗,大大延长了单节锂电池的续航时间,减少用户频繁更换电池的麻烦,让美容护理过程更加自在便捷。
DESCRIPTION
The SL1571Bis a high-power density, asynchronous boost
converter with a 120mΩ power switch to provide a high
efficiency and small size solution in portable systems. The
SL1571B has input voltage range from 2.6 V to 5.5 V to
support applications with different power supply. The device
has 3A switch current capability and can provide an output
voltage up to 16V.
The SL1571B also implements a soft-start function and an
adjustable switching peak current limit function.
In addition, the device provides 20V output overvoltage
protection, and thermal shutdown protection.
FEATURES
・Input voltage range: 2.6V to 5.5V
・Output voltage range: up to 16V
・Programmable switch peak current limit:
up to 4.5A
・0.1μA current consumption during shutdown
・Programmable soft start
・Output overvoltage protection (at 20V)
therma shutdown protection
・Pb-free Packages,ESOP8
APPLICATIONS
・Chargers
・LCD Displays
・Digital Cameras
・Handheld Devices
・Portable Products