设计,搭建,测试
Board pictured here has been fully assembled and tested.

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设计资源

设计集成文件

  • Schematic
  • PCB Layout
  • Bill of Materials
  • Test Results
下载设计文件 546.93 K

描述

The MAXREFDES1209 operates over a 14V to 60V input voltage range to deliver output voltage regulated at 12V and up to 500mA of load current. The output voltage is accurate to within ±1.7% over -40°C to +125°C. The MAX17501 EV kit is available in a compact TDFN package. The device features peak-current-mode control with pulse-width modulation (PWM) with a fixed switching frequency of 600kHz at all loads. The device offers external compensation components and uses a two-layer PCB board. The low-resistance, on-chip MOSFETs ensure high efficiency (~94%) at full load and simplify the layout. A programmable soft-start feature reduces input inrush current. The device also incorporates an output enable/undervoltage lockout pin (EN/UVLO) that turns on the part at the desired input voltage level. An open-drain RESET pin provides a delayed power-good signal to the system upon achieving successful regulation of the output voltage.

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