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LR1125G-S08-R bảng dữ liệu(PDF) 3 Page - Unisonic Technologies |
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LR1125G-S08-R bảng dữ liệu(HTML) 3 Page - Unisonic Technologies |
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3 / 7 page ![]() LR1125 CMOS IC UNISONICTECHNOLOGIESCO.,LTD 3 of 7 www.unisonic.com.tw QW-R502-416.A ABSOLUTE MAXIMUM RATING PARAMETER SYMBOL RATINGS UNIT IN, SHDN, POK, SET to GND -0.3~+6 V OUT to GND -0.3~(VIN+0.3) V Output Short-Circuit Duration ID continuous Power Dissipation (Ta=70°C) PD 1.95 W Junction Temperature TJ +150 °C Operating Temperature TOPR -40~+85 °C Storage Temperature Range 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. ELECTRICAL CHARACTERISTICS (VIN=VOUT(SETPOINT)+500mV or VIN=2.25V which is greater, SET=GND, SHDN=IN, unless otherwise specified. Typical values are at Ta=25°C) Ta=0°C~85°C PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Input Voltage VIN 2.25 5.50 V Input Undervoltage Lockout VUVLO Rising, 40mV hysteresis 1.85 2 2.15 V IOUT=100mA -1.5 +1.5 IOUT=1mA ~ 500mA -2.5 +2.5 Output Voltage Accuracy (Preset Mode) VOUT Ta=0°C ~85°C, IOUT=1mA~500mA, VIN>VOUT+0.5V -3 +3 % Adjustable Output Voltage 0.8 4.5 V IOUT=100mA 788 812 IOUT=1mA ~ 500mA 780 820 SET Voltage Threshold (Adjustable Mode) VSET Ta=0°C ~85°C, IOUT=1mA~500mA, VIN>VOUT+ 0.5V 774 800 826 mV Maximum Output Current IOUT 500 mA Short-Circuit Current Limit ILIMIT VOUT=0V 600 1400 2300 mA SET Dual Mode Threshold 35 80 125 mV SET Input Bias Current ISET VSET=0.8V -100 +100 nA IOUT=1mA 210 600 Ground-Pin Current IQ IOUT=500mA 575 µA IOUT= 500mA, VOUT=2.25V 259 400 IOUT= 500mA, VOUT=2.8V 201 350 Dropout Voltage (Note 1) VD IOUT= 500mA, VOUT=4V 147 275 mV Line Regulation ∆VLNR VIN from (VOUT+100mV)~5.5V, ILOAD=5mA 0 0.125 %/V Load Regulation ∆VLDR IOUT=1mA ~500mA 15.5 35 ppm/mA Output Voltage Noise 10Hz~1MHz, CO=10µF(ESR<0.1Ω) 300 µV RMS SHUTDOWN Shutdown Supply Current IOFF SHDN = GND, VIN= 5.5V 0.02 5 µA VIH 1.6 SHDN Input Threshold VIL 0.6 V SHDN Input Bias Current I SHDN SHDN = GND or IN 10 100 nA Startup Time tSTART CO=10µF,time from SHDN high to POK high 40 µs |
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