点击图片查看原图
• 40V Input Voltage Surge
• 36V Steady State Operation
• Up to 3.5A Output Current • Output Voltage up to 12V
• 250kHz Switching Frequency • 91% Efficiency (Vout = 5V@3.5A at Vin = 12V)
• Patented ActiveCC Sensorless Constant Current Control − Integrated Current Control Improves Efficiency, Lowers Cost, and Reduces Component Count
• Resistor Programmable − Current Limit from 1.5A to 4.0A − Patented Cable Compensation from 0 to 0.25Ω
• ±6.5% CC Accuracy − Compensation of Input /Output Voltage Change − Temperature Compensation − Independent of inductance and Inductor DCR
• 2% Feedback Voltage Accuracy
• Advanced Feature Set − Integrated Soft Start − Thermal Shutdown − Secondary Cycle-by-Cycle Current Limit − Protection Against Shorted ISET Pin
• SOP-8EP Package
一般的描述
ACT4523A宽输入电压,效率高ActiveCC降压DC / DC转换器运行简历(恒定的输出电压)模式或CC(输出电流恒定)模式。ACT4523A 3.5提供了一个输出电流为250千赫开关频率。活跃的CC是实现专利控制方案与无传感器恒流精度最高控制。ActiveCC消除了昂贵的高准确性电流检测电阻,使它适合电池充电:
汽车充电器/适配器
可充电便携设备
通用CC / CV供应
