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常用DCDC降压型开关电源芯片RT8074

更新时间:2020-09-24 10:35:03 大小:142K 上传用户:xzxbybd查看TA发布的资源 标签:dcdc开关电源 下载积分:2分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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常用DCDC降压型开关电源芯片RT8074,  4A, 2MHz, Synchronous Step-Down Converter


General Description The RT8074 is a high efficiency synchronous, step-down DC/DC converter. Its input voltage range is from 2.7V to 5.5V and provides an adjustable regulated output voltage from 0.8V to 5V while delivering up to 4A of output current. The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode. The default switching frequency is set at 2MHz, if the RT pin is left open. It can also be varied from 200kHz to 2MHz by adding an external resistor. Current mode operation with external compensation allows the transient response to be optimized over a wide range of loads and output capacitors


Features z High Efficiency : Up to 95% z Adjustable Frequency : 200kHz to 2MHz z No Schottky Diode Required z 0.8V Reference Allows Low Output Voltage z Low Dropout Operation : 100% Duty Cycle z Enable Function z Internal Soft-Start z RoHS Compliant and Halogen Free

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文件名 大小
RT8074.pdf 142K

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