ACT4533A/B Rev 0, 14-Aug-13
Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
FEATURES
• 40V Input
Voltage Surge • 36V Steady State Operation • Up to 3.
5A output current • Output
Voltage up to 12V • 125kHz Switching Frequency Eases EMI Design
• 91% Efficiency (Vout=5V@2.
4A at Vin=12V)
• Stable with Low-ESR Ceramic
Capacitors to
Allow Low-Profile Designs
• Integrated Over
Voltage Protection
• Excellent EMI Performance
• Patented ActiveCC Sensorless Constant Current
Control Improves Efficiency and Lowers Cost.
• Resistor Programmable
− Current Limit from 1.
5A to 4.
0A − Patented Cable Compensation from 0 to
0.
25Ω
• ±7.
5% CC Accuracy
− Compensation of Input /Output
Voltage Change − Temperat...