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A8431EEHTR-T 52038831T 的参数 |
恒流
Constant Current |
是 YES |
恒压
Constant Voltage |
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拓扑
Topology |
PWM,升压(升压) PWM, Step-Up (Boost) |
输出数
Number of Outputs |
1 |
内部驱动器
Internal Driver |
是 YES |
初级类型
Type - Primary |
背光 Backlight |
次级类型
Type - Secondary |
白色 LED White LED |
频率
Frequency |
1.2MHz |
电源电压
Voltage - Supply |
2.5V ~ 10V |
输出电压
Voltage - Output |
32V |
Description & Applications |
FEATURES ? White LED Driver Constant Current Step-up Converter ? Output voltage up to 32 V (OVP level) ? 2.5 to 10 V input ? Drives up to 4 LEDs at 20 mA from a 2.5 V supply ? Drives up to 5 LEDs at 20 mA from a 3 V supply ? 1.2 MHz switching frequency ? 300 mA switch current limit ? 1 μA shutdown current ? OVP pin eliminates the need for an external Zener diode on the output |
描述与应用 |
特点 ?白光LED驱动恒流升压转换器 ?输出电压高达32 V(OVP电平) ?2.5至10 V输入 ?从2.5 V电源驱动多达4个LED,在20毫安 ?从3 V电源驱动多达5个LED,在20毫安 ?1.2 MHz的开关频率 ?300毫安开关电流限制 ?1μA关机电流 ?OVP引脚不再需要外部齐纳二极管对输出 |
技术文档PDF下载 |
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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 |
A8431EEHTR-T |
52038831T |
ALLEGRO |
05+ |
DFN6 |
0 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
查看 |
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