LT1076CT7-5 5V 降壓型
開關穩壓器的典型應用電路。電源開關、所有
振蕩器和
控制電路、所有限流組件和輸出監視器都包含在芯片上。該拓撲是經典的正降壓配置，但多項設計創新允許該器件用作正負
轉換器、負升壓轉換器和
反激式轉換器。開關輸出指定擺幅低于地電壓 40V，從而允許 LT1076-5 在降壓模式下驅動抽頭電感器，輸出電流高達 4A
說明
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Typical Application Circuit for LT1076CT7-5 5V Step-Down Switching Regulator. The power switch, all oscillator and control circuitry, all current limit components and an output monitor are included on the chip. The topology is a classic positive buck configuration but several design innovations allow this device to be used as a positive-to-negative converter, a negative boost converter and as a flyback converter. The switch output is specified to swing 40V below ground, allowing the LT1076-5 to drive a tapped inductor in the buck mode with output currents up to 4A
主要特色
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Conversion Type
DC to DC
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Input Voltage
8 to 40 V
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Output Voltage
5 V
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Output Current
1.8 A
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Topology
Buck
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