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US205 Datasheet(PDF) 3 Page - Unisonic Technologies |
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US205 Datasheet(HTML) 3 Page - Unisonic Technologies |
3 / 5 page US205 Preliminary CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 5 www.unisonic.com.tw QW-R502-609.A ABSOLUTE MAXIMUM RATING (TA=25°C, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VIN 6 V Enable Input Voltage EN -0.3~6 V Power Dissipation, @TA=25°C PD 0.3 W Junction Temperature TJ 150 °C 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. Note: RECOMMENDED OPERATING CONDITIONS (TA=25°C, unless otherwise specified) (Note) PARAMETER SYMBOL RATINGS UNIT Supply Voltage VIN 2.7~5.5 V Enable Input Voltage EN 0~5.5 V Junction Temperature TJ -40~100 °C Ambient Temperature TA -40~85 °C The device is not guaranteed to function outside its operating conditions. Note: ELECTRICAL CHARACTERISTICS (VIN=5V, CIN=1uF, COUT=0.1uF, TA=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Operation Voltage VIN 2.7 5 V Under Voltage Lookout VUVLO VIN Falling 1.3 1.7 2.1 V Under Voltage Lockout Hysteresis ΔVUVLO 50 mV Quiescent Current IQ EN=High 20 70 μA Off Supply Current ISHDN EN=Low, VOUT=Open 1 μA Off Switch Current ILEAKAGE EN=Low, VOUT=0 1 μA On-Resistance RDS(ON) VIN=3.3V, IOUT=1.3A 100 120 mΩ Current Limiting ILIM VIN=3.3V, VOUT=2.3V 1.5 2 2.5 A Short Circuit Current ISC_FB VOUT=0V, Measured Prior to Thermal Shutdown 0.4 0.8 1.5 A Thermal shutdown Threshold TSD 130 °C Thermal shutdown Hysteresis ΔTSD 20 °C Low VIL VIN=2.7V ~ 5.5V 0.8 V EN Threshold High VIH VIN=2.7V ~ 5.5V 2 V Enable Input Leakage IEN VEN=5.5V 1 μA Output Turn-On Delay Time TD_ON VIN=5V, RLOAD=10Ω 60 100 μs Output Turn-On Rise Time TON VIN=5V, RLOAD=10Ω 1 3 ms Output Turn-Off Fall Time TD_OFF VIN=5V, RLOAD=10Ω 4 10 μs Output Pull-Down Resistance During OFF RDISCHARGE EN=Low 150 Ω |
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