120mA 4-Channel Charge Pump White LED Driver with Low Dropout Current Source

文件：2.24665 Mbytes 页数：13 Pages

SGMICRO

圣邦股份

Driver with Low Dropout Current Source

文件：370.19 Kbytes 页数：13 Pages

SGMICRO

圣邦股份

120mA 4-Channel Charge Pump White LED Driver with Low Dropout Current Source

The SGM3131 is a current-regulated white LED driver with integrated low dropout current sources and a high efficiency charge pump. The charge pump has automatically selectable 1×/1.5× fractional operation modes. The SGM3131 is well suited for white LED applications powered by a Li-Ion battery due to • Input Voltage Range: 2.7V to 5.5V\n• Support up to 4 LEDs at 30mA Each \n• 16-Step LED Brightness Control Through One-Wire Interface\n• 1× and 1.5× Charge Pump for High Conversion Efficiency \n• Switching Frequency: 1MHz \n• 1% Regulated LED Current Matching \n• Built-in Soft-Start for Reducin;

SGMICRO

圣邦股份

120mA 4-Channel Charge Pump White LED Driver with Low Dropout Current Source

文件：2.24665 Mbytes 页数：13 Pages

SGMICRO

圣邦股份