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| FP6181 2A，23V，380KHz转换器 |
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概述 | | 下载 |
FP6181是一个内置在内部功率MOSFET的型稳压器。LT在宽输入供电电压范围内具有优异的负载和线路调整，电流达到2A的连续输出。电流模式能提供快速瞬态响应和简化环路稳定性。该设备包括逐周期电流限制和热关断保护。可调软启动，减少了在上电时的输入信号源的压力。该稳压器在关断模式下仅消耗23μA的电源电流。FP6181完成2A稳压器解决方案，需要一个现成的外部元件的最小数目。
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特点 | | |
˙ 2A输出电流˙可调软启动˙ 0.18Ωlnternal功率MOSFET开关˙与低ESR输出陶瓷电容器稳定˙高达95％的效率˙ 23μA关断模式电流˙固定380KHz频率˙ ˙逐周期超过热关断电流保护˙宽4.75至23V的工作lnput 范围 ˙从0.92至16V的可调输出 ˙带裸露焊盘的可用MSOP10 ˙欠压锁定
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典型应用电路 | | |
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| FP6181 2A, 23V, 380KHz Step-Down Converter | | | General Description | | Download | The FP6181 is a buck regulator with a built in internal power MOSFET. lt achieves 2A continuous output current over a wide input supply range with excellent load and line regulation. Current mode operation provides fast transient response and eases loop stabilization. The device includes cycle-by-cycle current limiting and thermal shutdown protection. Adjustable soft-start reduced the stress on the input source at power-on. The regulator only consumes 23μA supply current in shutdown mode. The FP6181 requires a minimum number of readily available external components to complete a 2A buck regulator solution.
| | | | | | | | | | | | | | | | | | | Features | | | ˙2A Output Current
˙Adjustable Soft-Start
˙0.18Ω lnternal Power MOSFET Switch
˙Stable with Low ESR Output Ceramic Capacitors
˙Up to 95% Efficiency
˙23μA Shutdown Mode Current
˙Fixed 380KHz frequency
˙Thermal Shutdown
˙Cycle-by-Cycle Over Current Protection
˙Wide 4.75 to 23V operating lnput Range
˙Output Adjustable From 0.92 to 16V
˙Available MSOP10 With Exposed PAD
˙Under Voltage Lockout
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