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AAT2847IML-EE-T1 YLV 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 |
是 YES |
初级类型
Type - Primary |
背光 Backlight |
次级类型
Type - Secondary |
白光LED White LED |
频率
Frequency |
1MHz |
电源电压
Voltage - Supply |
2.7V ~ 5.5V |
输出电压
Voltage - Output |
可调 |
Description & Applications |
FEATURES ? Four-Channel Backlight Driver with Dual LDOs ? Input Supply Voltage Range: 2.7V to 5.5V ? Tri-Mode (1X/1.5X/2X) Charge Pump: — Delivers up to 120mA of Output Current ? Integrated LCD Display Solution: — Four-Channel WLED Backlight ? User-Programmable WLED Current Scales: 30mA, 20mA and 15mA. — Sixteen Programmable Current Level Settings ? User Selectable Low Level Current Scale — Four Programmable Current Level Settings — Dual 200mA LDOs (w/Separate Enables) ? Single-Wire AS2C wire Serial Interface for Configuration/Control — Four Addressable Registers — Fast, 1MHz Serial Interface ? > 90% Peak Efficiency ? LDO Output Voltages: — AAT2847-EE: User-Programmable — AAT2847-QG: 2.8V and 1.5V — AAT2847-QI: 2.8V and 1.8V ? Over-Temperature Protection ? Available in 3x4x0.75mm TQFN34-20 Package ? -40°C to +85°C Temperature Range Applications ? Camera Function Power Supplies ? Camera Phone Displays ? LCD Modules ? White LED Backlighting |
描述与应用 |
特点 ?四通道背光驱动器,带有双LDO ?输入电源电压范围:2.7V至5.5V ?三模式的1x/1.5x/2x电荷泵: - 提供高达120mA的输出电流 ?集成的液晶显示解决方案: - 四通道WLED背光 ?用户可编程WLED电流尺度电流:30mA,20mA和15毫安。 - 16个可编程电流级别设置 ?用户可选择的低等级单位本期秤 - 四个可编程电流级别设置 - 双200mA的LDO的(瓦特/独立启用) ?单线AS2C的配置/控制线串行接口 - 四寻址寄存器 - 快速,1MHz串行接口 ?90%的峰值效率 ?LDO输出电压: - AAT2847-EE:用户可编程 - AAT2847-QG:2.8V和1.5V - AAT2847-QI:2.8V和1.8V ?过温保护 ?可在3x4x0.75mm TQFN34-20包装 ?-40°C至+85°C温度范围 应用 ?相机功能电源 ?相机手机显示 ?液晶显示模块 ?白光LED背光 |
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 |
AAT2847IML-EE-T1 |
YLV |
ANALOGIC |
07NOPB |
TQFN34-20 |
9000 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
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