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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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UC2843BG-S08-R Datenblatt(PDF) 5 Page - Unisonic Technologies |
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UC2843BG-S08-R Datenblatt(HTML) 5 Page - Unisonic Technologies |
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5 / 9 page  UC2843B Preliminary LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 of 9 www.unisonic.com.tw QW-R103-048.a ELECTRICAL CHARACTERISTICS (VCC = 15 V, RT = 10kΩ, CT = 3.3nF, TJ=25°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT REFERENCE SECTION Reference Output Voltage VREF IOUT =1mA, TJ =25°C 4.95 5 5.05 V Line Regulation ΔVOUT VCC = 12V~25V 6 20 mV Load Regulation ΔVOUT IOUT = 1mA~20mA 6 25 mV Average Temperature Coefficient Of Output Voltage TS 0.2 0.4 mV/°C Total Output Variation VREF VCC =12V~25V, IOUT =1mA~20mA 4.9 5.1 V Output Noise Voltage eN f = 10Hz~10kHz, TJ =25°C 50 μV Long Term Stability TJ=25°C FOR 1000 hours 5 25 mV Output Short Circuit Current ISC -30 -100 -180 mA OSCILLATOR SECTION TJ =25°C, RT =62kΩ, CT =1nF, Min =225 kHz, Max =275 kHz 49 52 55 kHz Frequency fOSC TJ = Full range 48 56 kHz Frequency Change with Voltage V Δ f Δ OSC VCC = 12V ~ 25V 0.2 1 % Frequency Change with Temperature T Δ f Δ OSC TJ = Full range 5 % Oscillator Voltage Swing VOSC Peak to peak 1.7 V TJ =25°C, RT/CT =2V 7.8 8.3 8.8 mA Discharge Current IDISC RT/CT =2V 7.5 8.8 mA ERROR-AMPLIFIER SECTION Voltage Feedback Input VFB COMP =2.5V 2.45 2.5 2.55 V Input Bias Current II(BIAS) -0.3 -1 μA Open Loop Voltage Gain GVO VOUT =2V~4V 65 90 dB Unity Gain Bandwidth GBW 0.7 1 MHz Power Supply Rejection Ratio PSRR VCC =12V~25V 60 70 dB Output Sink Current ISINK VFB =2.7V, COMP=1.1V 2 6 mA Output Source Current ISOURCE VFB =2.3V, COMP =5V -0.5 -0.8 mA VOH VFB =2.3V, RL =15kΩ to GND 5 6 V Output Voltage Swing High State VOL VFB =2.7V, RL =15kΩ to GND 0.7 1.1 V CURRENT-SENSE SECTION Current Sense Input Voltage Gain GV (Note 2,3) 2.85 3 3.15 V/V Maximum Current Sense Input Threshold VTH COMP =5V (Note 2) 0.9 1 1.1 V Power Supply Rejection Ratio PSRR VCC =12V~25V (Note 2) 70 dB Input Bias Current II(BIAS) -2 -10 μA Propagation Delay tD VFB =0V~2V 150 300 ns OUTPUT SECTION IOH =-20mA 13 13.5 V High-Level Output Voltage VOH IOH =-200mA 12 13.5 V IOL =20mA 0.1 0.4 V Low-Level Output Voltage VOL IOL =200mA 1.5 2.2 V Under-Voltage Lockout Output Voltage VUVLO VCC =5V, IOL=1mA 0.7 1.2 V Output Voltage Rise Time tR CL =1nF, TJ = 25°C 50 150 ns Output Voltage Fall Time tF CL =1nF, TJ = 25°C 50 150 ns |
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Ähnliche Beschreibung - UC2843BG-S08-R |
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