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UM17728 Datasheet(PDF) 3 Page - Union Semiconductor, Inc. |
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UM17728 Datasheet(HTML) 3 Page - Union Semiconductor, Inc. |
3 / 7 page ________________________________________________________________________ http://www.union-ic.com Rev.01 Sep.2010 3/7 UM177XX Electrical Characteristics Over recommended operating free-air temperature range (unless otherwise noted) Symbol Parameter Test Conditions Min Typ Max Unit VIN Input Voltage Range VOUT+ VDROP 6.0 V VUVLO Input Under Voltage Lockout* VIN falling 2.0 2.6 V VIN=5.0V,IOUT=0mA 90 IQ Operating Quiescent Current VIN=5.0V,IOUT=500mA 100 μA I SHDN ___________ Shutdown Leakage Current 1 μA ESD Rating Human Body Mode 2 KV IOUT Output Current 500 mA 1mA≤IOUT≤150mA, TA=+25℃ -1 +1 1mA≤IOUT≤150mA, TA=-40℃ to +85℃ -2 +2 Output Voltage Accuracy 1mA≤IOUT≤500mA, TA=-40℃ to +85℃ -2.5 +2.5 % ΔVDO Dropout Voltage IOUT=500mA 250 400 mV ILIMT Output Current Limit VIN≥2.5V 700 mA Input Reverse Leakage Current (OUT to IN Leakage Current) VIN=4V, VOUT=5.5V chip active 0.01 1.5 μA t Startup Time Response RL=68Ω, COUT=1μF 20 μs VIL SHDN ___________ Input Low Voltage 0.3×VIN V VIH SHDN ___________ Input High Voltage 0.7×VIN V SHDN ___________ Input Current SHDN ___________ =VIN or GND -1 0.1 +1 μA TSHDN Thermal-Shutdown Temperature 160 ℃ ΔTSHDN Thermal-Shutdown Hysteresis 20 ℃ Line Regulation VOUT+1V≤VIN≤VOUT+2V IOUT=10mA 0.09 %/V Load Regulation VIN=VOUT+1V 1mA≤IOUT≤150mA 0.2 % Output Voltage Noise 10Hz to 100KHz CIN=0.1μF, IOUT=10mA 75 μVR MS F=100Hz 70 F=1KHz 65 F=10KHz 50 PSRR Power Supply Ripple Rejection VIN=VOUT+1V IOUT=100mA F=100KHz 40 dB *Only UM17735/UM17733/UM17730/UM17728/UM17725 has this function. |
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