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SC604AIMLTR 604A 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 |
4 |
| 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 |
250KHz |
| 电源电压
Voltage - Supply |
2.5V ~ 6.5V |
| 输出电压
Voltage - Output |
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| Description & Applications |
FEATURES ? Low Noise, High Efficiency Regulated White LED Driver ? Very high efficiency over 90% of battery life ? Peak efficiency over 92% ? Current regulation for up to 4 LEDs ? Digital 3 bit output control logic ? Current matching tolerance of ±3% typical ? Wide current range per LED [0.5mA - 30mA] ? High available total LED current = 4 z ILED = 120mA ? Low Shutdown Current: 1μA typical ? Soft start / In-rush current limiting ? Short circuit protection ? MLP-16 [4x4] Package ? Fixed frequency 250kHz ? 1x, 1.5x and 2x charge pump modes of operation Applications ? Cellular phones ? LED backlighting ? PDA power supplies ? Portable devices ? Electronic books ? Wireless web appliances ? LCD Modules |
| 描述与应用 |
特点 ?低噪音，高效率稳压白光LED驱动器 ?非常高的效率超过90％的电池寿命 ?超过92％的峰值效率 ?多达4个LED电流调节 ?3位数字输出控制逻辑？ ?电流匹配容差±3％（典型值） ?宽电流范围每个LED [0.5毫安 - 30毫安] ?可用总高LED电流ILED=120毫安=4 Z ?低关断电流：典型值1μA ?软启动/浪涌电流限制 ?短路保护 ?MLP-16[4X4]软件包 ?固定频率为250kHz ?1倍，1.5倍和2倍电荷泵操作模式 应用 ?蜂窝电话 ?LED背光 ?PDA电源 ?便携式设备的 ?电子图书 ?无线网络设备 ?液晶显示模块 |
| 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 |
| SC604AIMLTR |
604A |
SEMTECH |
05+ |
MLP-16/4X4 |
12 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
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