AAT3114ISN-20-T1 LED驱动电源IC 背光 300KHz ~ 900KHz 2.7V ~ 5.5V QFN44-16 FGA 高精度亮度匹配/稳定的输出电流/无电感器
| 恒流Constant Current | |
| 恒压Constant Voltage | |
| 拓扑Topology | |
| 输出数Number of Outputs | |
| 内部驱动器Internal Driver | |
| 初级类型Type - Primary | 背光 Backlight |
| 次级类型Type - Secondary | 白色 LED White LED |
| 频率Frequency | 300KHz ~ 900KHz |
| 电源电压Voltage - Supply | 2.7V ~ 5.5V |
| 输出电压Voltage - Output | |
| Description & Applications | FEATURES • High Efficiency 1.5X Fractional Charge Pumps For White LED Applications • White LED Backlighting • AAT3113 - 4 Outputs • AAT3114 - 6 Outputs • 20mA Full Scale Current • 32 Position Logarithmic Scale with Digital Control • Simple Serial Control™ (S2 Cwire™) interface • Low Noise Constant Frequency Operation • 33% Less Input Current Than Doubler Charge Pump • High Accuracy Brightness Matching • Small Application Circuit • Regulated Output Current • Automatic Soft-Start • VIN Range: 2.7V to 5.5V • No Inductors • 600kHz Switching Frequency • Iq < 1µA in Shutdown • Temperature Range -40 to 85°C. • 16-Pin QFN, 12-Pin TSOPJW Package Applications • General-Purpose High-Current Boost Supply • White LED Backlighting • White LED Photo Flash |
| 描述与应用 | 特点 •高效率1.5X分数电荷泵白光LED应用 •白光LED背光 AAT3113 - 4输出 AAT3114 - 6输出 •20mA满量程电流 •32位对数刻度与数字控制 •简易串行控制™（S2 Cwire™）接口 •低噪声恒定频率操作 •33％的减输入电流比倍增电荷泵 •高精度亮度匹配 •小应用电路 •稳定的输出电流 •自动软启动 •VIN范围：2.7V至5.5V •无电感器 •600kHz的开关频率 •IQ停机时<1uA •温度范围-40到85°C。 •16引脚QFN封装，12引脚TSOPJW包装 应用 •通用高电流升压电源 •白光LED背光 •白光LED闪光灯 |
| 规格书PDF |
