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AAT2842AIBJ-EE-T1 UWV 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 |
闪光 双LDO Flash Dual LDO |
| 频率
Frequency |
2MHz |
| 电源电压
Voltage - Supply |
2.7V ~ 5.5V |
| 输出电压
Voltage - Output |
1.2V ~ 5.5V |
| Description & Applications |
FEATURES ? High-Current Charge Pump with S2Cwire? Control and Dual LDO for Backlight and Flash ? VIN Range: 2.7V to 5.5V ? Tri-Mode Charge Pump: — Drives up to Four Backlight/Keypad and Four Flash LEDs — Separate S2Cwire Control for Backlight/Keypad and Flash Currents — Backlight/Keypad and Flash Current Set by Separate External Resistors — Flash Timer Set with External Capacitor — Up to 2MHz Switching Frequency ? Two Linear Regulators: — 200mA Output Current — 200mV Dropout — Output Voltage Adjustable from 1.2V to VBATTERY — Output Auto-Discharge for Fast Shutdown — 85μA Quiescent Current ? Built-In Thermal Protection ? Automatic Soft Start ? -40°C to +85°C Temperature Range ? Available in 4x4mm TQFN44-28 Package Applications ? Camera-Enabled Mobile Devices ? Digital Still Cameras ? Multimedia Mobile Phones |
| 描述与应用 |
特点 ?高电流电荷泵S2Cwire?背光和闪光控制和双LDO ?VIN范围：2.7V至5.5V ?三模式电荷泵： - 驱动多达4个背光/键盘和四个闪光LED - 独立的S2Cwire控制背光/键盘和闪光电流 - 背光/键盘和闪光电流由独立的外部电阻设置 - 闪光计时器设置与外部电容 - 高达2MHz的开关频率 ?两个线性稳压器： - 200mA输出电流 - 200mV压差 - 输出电压可调从1.2V到VBATTERY的 - 输出自动放电快速关机 - 85μA静态电流 ?内置热保护 ?自动软启动 ?-40°C至+85°C温度范围 ?提供的4x4mm TQFN44-28包装 应用 ?相机功能的移动设备 ?数码相机 ?多媒体手机 |
| 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 |
| AAT2842AIBJ-EE-T1 |
UWV |
ANALOGIC |
07NOPB |
TDFN44-28 |
5145 |
电源管理ICPower Management IC/PMIC-LED驱动LED Driver |
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