Sub PMIC with Dual-Output Boost Converter

文件：1.66624 Mbytes 页数：26 Pages

RICHTEK

立锜科技

Dual Output LCD Bias for Smartphones and Tablets

The RT4801A is a highly integrated Boost and LDO and inverting charge pump to generate positive and negative output voltage. The output voltages can be adjusted from ±4V to ±6V with 100mV steps by I²C interface protocols. With its input voltage range of 2.5V to 5.5V, RT4801A is optimized •2.5V to 5.5V Supply Voltage Range\n•Support Up to 80mA Output Current \n•Internal Soft-start Function \n•Over-Voltage Protection Function\n•Over-Temperature Protection Function \n•Voltage Output from 4V to 6V per 0.1V\n•Output with Programmable Fast Discharge when IC Shutdown\n•Available in the 15-;

Richtek

立锜科技

用于智能型手机和平板计算机的双输出LCD偏置

The RT4801H is a highly integrated Boost and LDO and inverting charge pump to generate positive and negative output voltage. The output voltages can be adjusted from ±4V to ±6V with 100mV steps by I2C interface protocols. With its input voltage range of 2.5V to 5.5V, the RT4801H is optimized for pro 2.5V to 5.5V Supply Voltage Range \n Up to 90% Efficiency with Small Magnetics \n Support Up to 80mA Output Current \n Low 1μA Shutdown Current \n Internal Soft-start Function\n Short Circuit Protection Function \n Over-Voltage Protection Function \n Over-Current Protection Function \n Over-Temp;

Richtek

立锜科技

智能手机和平板电脑液晶屏双输出偏置电源

RT4801T是将Boost转换器、低压差线性稳压器和电荷泵反相电路集成于一体的正负电压生成电路，其输出电压可经I²C接口在±4V~±6V间以100mV的级差进行调节，其输入电压范围为2.5V~5.5V，对称输出能力可高达150mA，是使用单节锂离子电池供电产品的理想选择。其封装为WL-CSP-15B 1.31x2.07(BSC)。 • 输入电压范围：2.5V~5.5V\n• 输出效率可高达90%\n• 负载能力高达150mA\n• 关机电流低于1μA\n• 内置软起动功能\n• 短路保护\n• 过压保护\n• 过流保护\n• 过热保护\n• 可使用ENP/ENN实现灵活的正负压输出开关控制\n• 输出电压可调范围为±4~±6V，级差0.1V\n• 输入端噪声低，EMI问题少\n• 关机时可程控输出快速放电\n• 经I2C接口调节输出电压\n• WL-CSP-15B封装;

Richtek

立锜科技

包装：盒 类别：胶带，粘合剂，材料 胶，粘合剂，敷料器 描述：SCOTCH-WELD PRESSURE FIT/HIGH TE

3M

包装：盒 类别：胶带，粘合剂，材料 胶，粘合剂，敷料器 描述：SCOTCH-WELD PRESSURE FIT/HIGH TE

3M

包装：盒 类别：胶带，粘合剂，材料 胶，粘合剂，敷料器 描述：SCOTCH-WELD PRESSURE FIT/HIGH TE

3M