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ACT4533A

Active-Semi
Part Number ACT4533A
Manufacturer Active-Semi
Description Wide-Input Sensorless CC/CV Step-Down DC/DC Converter
Published May 7, 2016
Detailed Description ACT4533A/B Rev 0, 14-Aug-13 Wide-Input Sensorless CC/CV Step-Down DC/DC Converter FEATURES • 40V Input Voltage Surge • ...
Datasheet PDF File ACT4533A PDF File

ACT4533A
ACT4533A

Overview
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 − 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 APPLICATIONS • Car Charger/ Adaptor • Recha...


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