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U9751B-D16-T Datasheet(PDF) 4 Page - Unisonic Technologies |
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U9751B-D16-T Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 6 page U9751B LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 6 www.unisonic.com.tw QW-R103-034,A ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC +38 V Differential Input Voltage VI(DIFF) +20 V Output Voltage VOUT +38 V Output Current IOUT +450 mA Maximum Junction Temperature TJ +150 ℃ Operating Temperature TOPR -20 ~ +85 ℃ Storage Temperature TSTG -55 ~ +150 ℃ 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. DC ELECTRONIC CHARACTERISTICS VCC=6V, f=200kHz (unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Reference section Internal Reference Voltage VREF IOUT =1mA 2.40 2.46 2.53 V VREF Regulation with VCC V △ REF VCC =3.6V ~ 40V 3.5 mV VREF Regulation with IO(REF) V △ REF IOUT = 0.1mA to 1mA 2 mV TA=-20℃~ 25℃ -0.1% ±1% VREF Regulation with Temperature TA=25℃ ~ 85℃ -0.2% ±1% Short-Circuit Output Current IO(SC) VOUT =0 18 22 30 mA Undervoltage Lockout Section threshold Voltage(VCC) VTHR IO(REF) = 0.1mA,TA=25℃ 2.5 2.8 3.2 V Short-Circuit Protection Control Section SCP Input Threshold Voltage VI(THR) TA= 25℃ 1.2 1.3 1.5 V SCP Comparator Threshold Voltage VCOM(THR) 1.26 V SCP Standby Voltage VSTN-BY No pull-up 110 220 mV SCP Latched Input voltage VI(LTH) No pull-up 77 200 mV Input (Source) Current II(SOURCE) VIN=0.7V, TA=25℃ -1.5 -2.0 -2.5 µA Oscillator Section Frequency f CT=220pF, RT=10K 400 KHZ Deviation of Frequency △ f CT=220pF, RT=10K 10% Frequency Regulation with Voltage △ f/△V VCC=3.6V to 40V 1% TA=-20℃ ~ 25℃ -0.4% ±2% Frequency Regulation with Temperature △ f/△T TA=25℃ ~ 85℃ -0.2% ±2% Dead-time control section Latched Input Voltage VI(LTH) IOUR(DTC)=40µA 1.9 V Zero duty cycle 1.75 1.95 2.15 Input Threshold Voltage at f=10kHZ VI(THR) Maximum duty cycle 1.3 1.45 1.7 V Input Bias Current II(BIAS) 0.2 1 µA Latch Mode (Source) Current ISOURCE TA=25℃ -620 µA Error-Amplifier Section Input Offset Voltage VI(OFF) VO(FB)=1.25V ±6 mV Common-Mode Input Voltage Range VI(CM) VCC=3.6V to 40 V 0.3 1.6 V Positive Output Voltage Swing VO(POS) VREF-0.2 V Negative Output Voltage Swing VO(NEG) 1 V Input Offset Current II(OFF) VO(FB)=1.25V ±100 nA |
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