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AAT3167IFO-T1 Charge Pump PMIC STDFN33-14 marking UCV High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications
| 功能 Type | |
| 工作电压 Voltage - Supply | 2.7V ~ 5.5V |
| 输出电压 Out Voltage | |
| 输出电流 Output Current | 150mA/0.15A |
| 效率 Efficiency(%) | |
| 震荡频率 Oscillation Frequency | 1000kHz |
| Description & Applications | FEATURES • High Efficiency 1X/1.5X/2X Charge Pump for White LED Applications • VIN Range: 2.7V to 5.5V • Fully Programmable Current with Single Wire — 16-Step Logarithmic Scale — 14/18/27mA Max Current — Four Low-Current Settings Down to 115µA — Low IQ (50µA) for Single-Channel, LowCurrent Mode • Tri-Mode 1X, 1.5X, 2X Charge Pump for Maximum Efficiency and VF Coverage • Drives Up to Five LEDs • Individual Main-Sub (4-1) Group Control • No Inductors, Low Noise Operation • 1MHz Constant Switching Frequency • Small Application Circuit • Built-In Thermal Protection • Built-In Auto-Disable for Open Circuit • Automatic Soft Start • IQ <1µA in Shutdown • STDFN33-14 or QFN44-16 Package Applications • Color (RGB) Lighting • Programmable Current Sink • Transmissive LCD Display • White LED Backlighting • White Photo Flash for Digital Still Cameras |
| 描述与应用 | 特点 •高效率1X/1.5X/2X电荷泵白光LED应用 •VIN范围：2.7V至5.5V •完全可编程的电流，单线 - 16级对数刻度 - 14/18/27mA最大电流 - 四低电流低至115μA的设置 - 低IQ（50μA），单通道，低电流模式 •三模式1X，1.5X，2X电荷泵最高的效率和VF覆盖 •驱动多达五个LED •个人主子（4-1）本集团控制 •无需电感，运行噪音低 •1MHz恒定开关频率 •小应用电路 •内置热保护 •内置自动禁用开路 •自动软启动 •IQ停机时<1uA •STDFN33-14或QFN44-16包装 应用 •彩色（RGB）照明 •可编程电流源 •透射式液晶显示 •白光LED背光 •黑白照片闪光灯数码相机 |
