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ECJ-1VC1H221J Datasheet(PDF) 5 Page - International Rectifier |
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ECJ-1VC1H221J Datasheet(HTML) 5 Page - International Rectifier |
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5 / 35 page  Rev 4.0 5 PD-97516 IR3853MPbF Recommended Operating Conditions Symbol Definition Min Max Units Vin Input Voltage 1.5 21* Vcc Supply Voltage 4.5 5.5 Boot to SW Supply Voltage 4.5 5.5 Vo Output Voltage 0.7 0.9*Vin V Io Output Current 0 4 A Fs Switching Frequency 225 1650 kHz Tj Junction Temperature -40 125 oC PARAMETER SYMBOL TEST CONDITION MIN TYP MAX UNIT POWER STAGE Power Losses Ploss Vcc=5V, Vin=12V, Vo=1.8V, Io=4A, Fs=600kHz, L=2.2uH, Note4 0.642 W Top Switch Rds(on)_Top VBoot -Vsw =5V, ID=4A, Tj=25oC 21 29 Bottom Switch Rds(on)_Bot Vcc=5V, ID=4A, Tj=25 oC 19.75 26.5 m Ω Deadband Time Tdb Note4 5 10 30 ns Bootstrap Diode Forward Voltage I(Boot)= 30mA 180 260 470 mV Isw SW=0V, Enable=0V SW leakage Current SW=0V, Enable=high, SS=3V, Vseq=0V, Note4 6 uA SUPPLY CURRENT VCC Supply Current (Standby) ICC(Standby) SS=0V, Vcc=5V, Enable low , No Switching 500 uA VCC Supply Current (Dyn) ICC(Dyn) SS=3V, Vcc=5V, Enable high, Fs=500kHz 6 11 mA REFERENCE VOLTAGE Feedback Voltage VFB 0.7 V 0 oC<Tj<125oC -1.0 +1.0 Accuracy -40 oC<Tj<125oC, Note3 -2.0 -2.0 % SOFT START / SD Soft Start Current ISS Source 14 20 26 uA Soft Start Clamp Voltage Vss(clamp) 2.7 3.0 3.3 Shutdown Output Threshold SD 0.3 V *SW node should not exceed 25V Electrical Specifications Unless otherwise specified, these specification apply over 4.5V< V cc<5.5V, Vin=12V, 0 oC<T j< 125 oC. Typical values are specified at T a = 25 oC. |
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