54302我也在用,但是輸入28v有點危險,基本上到芯片極限了,容易出問題作者: zhuls 時間: 2023-8-10 09:25
MP2565DN:
FEATURES
• 120μA Quiescent Current
• Wide 4.5V to 50V Operating Input Range
• 220mΩ Internal Power MOSFET
• Up to 4MHz Programmable Switching
Frequency
• High-Efficiency, Light-Load operation
• Stable with Ceramic Capacitor
• Internal Soft-Start
• Internally Set Current Limit without external
Current Sensing Resistor
• Up to 95% Efficiency
• Output Adjustable from 0.8V to 47V
• Available in 3x3 QFN10 and Thermally
Enhanced SOIC8 Packages作者: coody_sz 時間: 2023-8-10 10:21
樓主手冊沒仔細看,一般開始的簡介都有說明輸入電壓、輸出電壓范圍。作者: 得意忘形 時間: 2023-8-18 22:04
XL1509_ADJ