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完整的数据资料 (PDF, 73kB) 英文 下载 The MAX731 evaluation kit (EV kit) facilitates assembly and evaluation of Maxim's MAX731 +5V step-up current-mode DC-DC converter. The EV kit includes all needed components (unassembled) and a printed circuit board. When completed, the EV kit is a working DC-DC step-up converter with +5V output voltage at 200mA. Typical full-load efficiencies are 82% to 87%. The MAX731 uses current-mode pulse-width modulation (PWM) to provide precise output regulation and low subharmonic noise. Typical no-load supply current is 2mA. The MAX731 features cycle-by-cycle current limiting, overcurrent limiting, external shutdown, and programmable soft-start protection. The EV kit components are suitable for through-hole mounting to make construction and evaluation easy. Refer to the MAX731 data sheet for detailed electrical and operating specifications.

关键特性		应用/使用
Load Currents Guaranteed to 200mA with No External MOSFET Step-Up from a 2.0V Input 170kHz High-Frequency Current-Mode PWM 82% to 87% Typical Efficiencies at Full Load Overcurrent and Soft-Start Protection Shutdown Capability		+3V逻辑系统的+5V逻辑电源 电池供电应用 蜂窝电话 替代DC-DC转换器模块 分布式供电系统 膝上型电脑 便携式仪表

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