|
|
|
|
|
|
AAT2807AIXN-4.5-T1 NW 的参数 |
恒流
Constant Current |
|
恒压
Constant Voltage |
|
拓扑
Topology |
|
输出数
Number of Outputs |
2 |
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 |
1MHz |
电源电压
Voltage - Supply |
2.7V ~ 5.5V |
输出电压
Voltage - Output |
4.5V |
Description & Applications |
FEATURES ? Dual High Efficiency Charge Pump for White LED and Flash Applications ? VIN Range: 2.7V to 5.5V ? Dual Charge Pump to Support Backlight and Flash LEDs ? Backlight Charge Pump: ? Regulated Current ? Three Current Sink Inputs ? Brightness Control via Single GPIO ? Tri-Mode Charge Pump ? 20mA of Current Per Input Current Sink ? Flash Charge Pump: ? Regulated Output Voltage ? 300mA of Pulsed Current ? Independent Enable Pins ? Low Noise Constant Frequency Operation ? 1MHz Switching Frequency ? Automatic Soft Start ? No Inductors ? Available in DFN44-16 Package Applications ? Color (RGB) Lighting ? White LED Backlighting ? White LED Photo Flash |
描述与应用 |
特点 ?双通道高效率电荷泵白光LED和Flash应用 ?VIN范围:2.7V至5.5V ?双电荷泵来支持背光和闪光LED灯 ?背光电荷泵: ?调节电流 ?三灌电流输入 ?通过单GPIO亮度控制 ?三模式电荷泵 20mA的电流每输入灌电流 ?闪存电荷泵: ?稳压输出电压 ?300mA的脉冲电流 ?独立的使能引脚 ?低噪声恒定频率操作 ?1MHz开关频率 ?自动软启动 ?无电感器 ?可在DFN44-16封装 应用 ?彩色(RGB)照明 ?白光LED背光 ?白光LED闪光灯 |
技术文档PDF下载 |
在线阅读  |
|
|
|
|
相关型号列表 |
型号 |
标记/丝印/代码 |
厂家 |
批号 |
封装 |
数量 |
描述 |
详细资料 |
AAT2807AIXN-4.5-T1 |
NW |
ANALOGIC |
04+07nopb845 |
TDFN44-16 |
1716 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
查看 |
|
|
|