AAT3112IVN-4.5-T1 LED驱动电源IC 升压 背光 750KHz 2.7V ~ 4.5V 4.5V QFN33-16 LGV 小应用电路/无电感器/无电感器
| 恒流Constant Current | |
| 恒压Constant Voltage | |
| 拓扑Topology | 升压 Set-up |
| 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 | 白光LED闪光灯 White LED Flash |
| 频率Frequency | 750KHz |
| 电源电压Voltage - Supply | 2.7V ~ 4.5V |
| 输出电压Voltage - Output | 4.5V |
| Description & Applications | FEATURES • 500mA High Efficiency Charge Pump for White LED Flash Applications • Input Voltage Range: — AAT3112-5.0: 2.7V to 5.0V — AAT3112-4.5: 2.7V to 4.5V • Up to 500mA Peak Output Current • 200mA Continuous Output Current • IQ <1μA in Shutdown • Regulated 4.5V or 5.0V Output • 26μA of Quiescent Current • Small Application Circuit • Automatic Soft Start • No Inductors • Short-Circuit/Over-Temperature Protection • 16-Pin 3x3mm QFN Package • Temperature Range: -40°C to +85°C Applications • General-Purpose High-Current Boost Supply • White LED Backlighting • White LED Photo Flash |
| 描述与应用 | 特点 •500mA高效率电荷泵白光LED闪光灯应用 •输入电压范围： - AAT31125.0：2.7V至5.0V - AAT31124.5：2.7V到4.5V •高达500mA峰值输出电流 •200mA连续输出电流 •IQ停机时<1uA •稳压4.5V或5.0V输出 •26μA的静态电流 •小应用电路 •自动软启动 •无电感器 •Short-Circuit/Over-Temperature保护 •16引脚3x3mm的QFN封装 •温度范围：-40°C至+85°C 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 |
