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IR3621 Arkusz danych(PDF) 3 Page - International Rectifier |
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IR3621 Arkusz danych(HTML) 3 Page - International Rectifier |
3 / 29 page IR3621&(PbF) 3 www.irf.com ELECTRICAL SPECIFICATIONS Unless otherwise specified, these specifications apply over Vcc=12V, VcH1=VcH2=VCL=12V and 0°C<Tj<125°C. PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNITS Output Voltage Accuracy Feedback Voltage Accuracy UVLO Section UVLO Threshold - Vcc UVLO Hysteresis - Vcc UVLO Threshold - VcH1,2 UVLO Hysteresis - VcH1,2 Supply Current Section Vcc Dynamic Supply Current VcH1 & VcH2 Dynamic Current VCL Dynamic Supply Current Vcc Static Supply Current VcH1/VcH2 Static Current VCL Static Supply Current MLPQ TSSOP Supply Ramping Up Supply Ramp Up and Down Supply Ramping Up Supply Ramp Up and Down Freq=300kHz, CL=1500pF Freq=300kHz, CL=1500pF Freq=300kHz, CL=1500pF SS=0V SS=0V SS=0V 0.80 1 0.75 10 15 15 10 6 6 V % % % % % % V V V V mA mA mA mA mA mA VFb1 , VFb2 UVLOVCC UVLOVCH1,2 Dyn ICC Dyn ICH Dyn ICL ICCQ ICHQ ICLQ -1 -1.35 -2.5 -1.35 -1.65 -3.0 4.7 3.5 +1 +1.35 +1.35 +1.35 +1.65 +1.65 5.3 4.0 15 25 25 15 10 10 28 0.9VREF 0.1 -0.1 100 0 1.25 300 µA V V V µA µmho µmho µA mV V kHz V % ns % kHz ns V V SSIB SD PGFB1,2L PG(Voltage) IFB1,2 gm1 gm2 I(E/A)1,2 VOS(ERR) VP2 Freq VRAMP Dmin Puls(ctrl) Dmax Sync(Fs) Sync(puls) Sync(H) Sync(L) 22 0.8VREF 1400 1400 60 -4 0.4 255 150 86.5 200 2 35 0.25 0.95VREF 0.5 -0.5 2500 2500 140 +4 Vcc-2 345 0 1200 0.6 Soft-Start / SD Section Charge Current Shutdown Threshold Power Good Section VSENS1,2 Lower Trip Point PGood Output Low Voltage Error Amp Section Fb Voltage Input Bias Current Transconductance 1 Transconductance 2 Error Amp Source/Sink Current Input Offset Voltage for E/A1,2 VP2 Voltage Range Oscillator Section Frequency Ramp Amplitude Min Duty Cycle Min Pulse Width Max Duty Cycle Synch Frequency Range Synch Pulse Duration Synch High Level Threshold Synch Low Level Threshold SS=0V VSENS1,2 Ramping Down ISINK=2mA SS=3V Fb1,2 to VREF Note2 Rt(SET) to 30.9K Note2 Fb=1V FSW=300kHz, Note2 Fb=0.6V, FSW=200kHz 20% above free running freq Note1: Cold temperature performance is guaranteed via correlation using statistical quality control. Not 100% tested in production. Tj=25°C -40°C <Tj< 125°C 0°C <Tj< 125°C 0°C <Tj< 125°C -40°C <Tj< 125°C Tj=25°C |
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