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IR3629AMPBF Datasheet(PDF) 5 Page - International Rectifier |
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IR3629AMPBF Datasheet(HTML) 5 Page - International Rectifier |
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5 / 23 page  IR3629/IR3629A MPbF 11/26/2007 Recommended Operating Conditions Parameter SYM Test Condition Min TYP MAX Units Accuracy Feedback Voltage VFB 0.6 V 0 oC<Tj<125oC -1.5 +1.5 Accuracy -40 oC<Tj<105oC, Note2 -2.5 +1.5 % Supply Current VCC Supply Current (Static) ICC(Static) SS=0V, No Switching 10 13 IR3629, CLOAD=1.5nF 15 25 VCC Supply Current (Dynamic) ICC(Dynamic) IR3629A, CLOAD=1.5nF 15 19 VC Supply Current (Static) IC(Static) SS=0V, No Switching 4.5 7 IR3629, CLOAD=1.5nF 17 25 VC Supply Current (Dynamic) IC(Dynamic) IR3629A, CLOAD=1.5nF 10 15 mA Under Voltage Lockout VCC-Start-Threshold VCC_UVLO(R) Supply ramping up 4.0 4.2 4.4 VCC-Stop-Threshold VCC_UVLO(F) Supply ramping down 3.7 3.9 4.1 VCC-Hysteresis VCC_Hys Supply ramping up and down 0.15 0.25 0.3 VC-Start-Threshold VC_UVLO(R) Supply ramping up 3.1 3.3 3.5 VC-Stop-Threshold VC_UVLO(F) Supply ramping down 2.85 3.05 3.25 VC-Hysteresis VC_Hys Supply ramping up and down 0.15 0.2 0.25 V Oscillator IR3629A 270 300 330 Frequency FS IR3629 540 600 660 kHz Ramp Amplitude Vramp Note3 1.25 V Min Duty Cycle Dmin Fb=1V 0 % IR3629, Note3 80 Min Pulse Width Dmin(ctrl) IR3629A , Note3 160 ns IR3629, Fb=0.5V 71 Max Duty Cycle Dmax IR3629A, Fb=0.5V 78 % Electrical Specifications Unless otherwise specified, these specification apply over V cc=Vc=12V, 0 oC<T j< 105 oC Typical value are specified at Ta=25oC Symbol Definition Min Max Units Vcc Supply Voltage 4.5 14 V Vc Supply Voltage Converter voltage + 5V 28 V Tj (Note1) Junction Temperature -40 125 oC Note1: The junction temperature for 5V application is 0oC-125oC 5 |
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