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US2005 Datasheet(PDF) 3 Page - Unisonic Technologies |
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US2005 Datasheet(HTML) 3 Page - Unisonic Technologies |
3 / 5 page US2005 Preliminary CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 5 www.unisonic.com.tw QW-R502-A04.a ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified) (Note 1) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VIN 6 V Enable Input Voltage VEN 5.5 V Flag Voltage VFLG 5.5 V Power Dissipation (TA=25°C) PD 0.4 W Junction Temperature TJ 150 °C Storage Temperature TSTG -65~150 °C Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Package Thermal Resistance θJA 230 °C/W RECOMMENDED OPERATING CONDITIONS (Note 2) PARAMETER SYMBOL RATINGS UNIT Supply Input Voltage VIN 2.5~5.5 V Enable Input Voltage VI(EN) 0~5.5 V Continuous Output Current Range 0~2.1 A Ambient Operating Temperature TA -40~+85 °C ELECTRICAL CHARACTERISTICS (VIN=5V, TAMBIENT=25°C unless specified otherwise. Bold indicates -40°C~+85°C limits.) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Switch Input Voltage VIN 2.5 5.5 V Internal Supply Current IIN Switch=OFF, ENABLE=0V 1 5 μA Internal Supply Current IIN Switch=ON, IOUT=0, ENABLE=1.5V 80 300 μA Output Leakage Current ILEAK VIN=5V, VOUT=0V, ENABLE=0 12 100 μA Power Switch Resistance RDS(ON) VIN=5V, IOUT=100mA 70 100 mΩ 125 mΩ Current Limit: –0.5 ILIMIT VOUT=0.8VIN to VOUT=1V 0.5 0.7 0.9 A Current Limit: –0.8 ILIMIT VOUT=0.8VIN to VOUT=1V 0.8 1.1 1.5 A Current Limit: –1.2 ILIMIT VOUT=0.8VIN to VOUT=1V 1.2 1.6 2.1 A Secondary Current Limit (Kickstart) ILIMIT_2nd VIN=2.7V 2.2 4 6 A Under Voltage Lock Out Threshold UVLOTHRESHOLD VIN Rising 2.0 2.25 25 V VIN Falling 1.9 2.15 2.4 V ENABLE Input Voltage VEN VIL(max.) 0.5 V VIH(min) 1.5 V ENABLE Input Current IEN VEN=0V~5.0V 1 5 μA Fault Status Output Voltage VFAULT IOL=10mA 0.25 0.4 V Over-Temperature Threshold OTTHRESHOLD TJ Increasing 145 °C TJ Decreasing 135 |
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