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AAT2803ISK-4.5-T1 OF 的参数 |
恒流
Constant Current |
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恒压
Constant Voltage |
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拓扑
Topology |
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输出数
Number of Outputs |
6 |
内部驱动器
Internal Driver |
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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 ? Six-Channel White LED Backlight Charge Pump with Flash ? VIN Range: 2.7V to 5.5V ? Dual Charge Pump: — Flash: Charge Pump Doubler — Backlight: Tri-Mode Charge Pump ? Backlight Charge Pump: — Programmable Current With Single GPIO — 16 Current Steps — 15/20/30mA Max Current — Four Low Current Settings — Individual Main/Sub-Group Control — Low IQ (50μA) for Low-Current Mode — Drives Six Channels of LEDs ? Flash Charge Pump: — Regulated VOUT_FL 4.5/5.0 Volts — Up to 300mA of Current for Flash ? 1MHz Constant Switching Frequency ? Independent Backlight/Flash Control ? Built-In Thermal Protection ? Built-In Auto-Disable for Open Circuit ? Automatic Soft Start ? IQ <1μA in Shutdown ? Available in QFN44-24 Package Applications ? Color (RGB) Lighting ? Programmable Current Sink ? White LED Backlighting ? White Photo Flash for Digital Still Cameras |
描述与应用 |
特点 ?六通道白光LED背光电荷泵与Flash ?VIN范围:2.7V至5.5V ?双电荷泵: - 闪光灯:电荷泵倍增 - 背光:三模式电荷泵 ?背光电荷泵: - 可编程电流与单GPIO - 16当前步骤 - 15/20/30mA最大电流 - 四种低电流设置 - 个人主/子集团控制 - 低智商低电流模式(50μA) - 驱动6个通道的LED ?闪存电荷泵: - 稳压VOUT_FL4.5/5.0伏特 - 高达300mA的电流为Flash ?1MHz恒定开关频率 ?独立背光/闪光控制 ?内置热保护 ?内置自动禁用开路 ?自动软启动 ?IQ停机时<1uA ?提供QFN44-24封装 应用 ?彩色(RGB)照明 ?可编程电流源 ?白光LED背光 ?黑白照片闪光灯数码相机 |
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 |
AAT2803ISK-4.5-T1 |
OF |
ANALOGIC |
07NOPB |
TDFN44-24 |
7691 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
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