LT1076CT7-5 5V 降压型开关稳压器的典型应用电路。电源开关、所有振荡器和
控制电路、所有限流组件和输出监视器都包含在芯片上。该拓扑是经典的正降压配置，但多项设计创新允许该器件用作正负转换器、负升压转换器和
反激式转换器。开关输出指定摆幅低于地电压 40V，从而允许 LT1076-5 在降压模式下驱动抽头
电感器，输出电流高达 4A
说明
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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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