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| FP6167 Dual 1.5MHz, 1A Synchronous Step-Down Regulator |
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General Description |
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The FP6167 is a high efficiency current mode dual synchronous buck PWM DC-DC regulator. The internal generated 0.6V precision feedback reference voltage is designed for low output voltage. Low RDS(ON) synchronous switch dramatically reduces conduction loss. To extend battery life for portable application, 100% duty cycle is supported for low-dropout operation. Shutdown mode also helps saving the current consumption. The FP6167 is packaged in DFN-12L to reduce PCB space.
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Features |
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˙Input Voltage Range: 2.5 to 5.5V
˙Adjustable Output Voltage From 0.6V to VIN
˙Precision Feedback Reference Voltage: 0.6V (±2%)
˙Output Current: 1A(Max.) each channel
˙Duty Cycle: 0~100%
˙Internal Fixed PWM Frequency: 1.5MHz
˙Low Quiescent Current: 160μA
˙No Schottky Diode Required
˙Built-in Soft Start
˙Current Mode Operation
˙Over temperature Protection
˙Package: DFN-12L
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Typical Application Circuits |
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| FP6167双1.5MHz的，1A同步降压型稳压器 |
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概述 |
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FP6167是一个高效率电流模式双同步降压PWM DC - DC稳压。内部产生0.6V精密的 反馈参考电压是专为低输出电压。低RDS（ON）同步开关，大大降低了传导损耗 。为了延长便携式应用的电池寿命，支持100％占空比低压差运行 。关断模式也有利于节省电流消耗。FP6167是DFN - 12L包装，减少PCB空间
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特点 |
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˙输入电压范围：2.5至5.5V ˙可调输出电压从0.6V至VIN的˙精密反馈参考电压：0.6V（± 2％）˙输出电流：1A（最大）每个通道˙占空比：0〜100％˙内部固定PWM频率：1.5MHz的˙低静态电流：160μA ˙无需肖特基二极管˙ ˙内置软启动˙电流模式操作˙过温保护包装：采用DFN - 12L
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典型应用电路 |
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