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UC3844G-S08-T Folha de dados(PDF) 4 Page - Unisonic Technologies |
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UC3844G-S08-T Folha de dados(HTML) 4 Page - Unisonic Technologies |
4 / 7 page UC3844/45 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 7 www.unisonic.com.tw QW-R103-010.D ABSOLUTE MAXIMUM RATINGS (TA=25°C) PARAMETER SYMBOL RATINGS UNIT Total Power Supply and Zener Current (ICC+Iz) 30 mA Output Current, Source or Sink (Note 2) IOUT 1.0 A Output Energy (Capacitive Load per cycle) W 5.0 μJ Current Sense and Voltage feedback Inputs VIN -0.3 ~ +5.5 V Error Amp Output Sink Current ISINK 10 mA SOP-8 862 mW Power Dissipation DIP-8 PD 1250 mW Junction Temperature TJ +150 °C Operation Temperature TOPR 0 ~ 70 °C Storage Temperature TSTG -65 ~ +150 °C Note:1. Absolute maximum ratings are those values beyond which the device could be permanently damaged. Note:1. Absolute maximum ratings are stress ratings only and functional device operation is not implied. 2. Maxmum package power dissipation limits must be observed. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT SOP-8 145 °C/W Junction to Ambient DIP-8 θJA 100 °C/W ELECTRICAL CHARACTERISTICS (TA=25°C, VCC=15V, RT=10k, CT=3.3nF, 0°C ≤ TA ≤ 70°C, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT REFERENCE SECTION Reference Output Voltage VREF IOUT=1.0mA,TJ=25 C 4.9 5.0 5.1 V Line Regulation △ VOUT VCC=12V ~ 25V 2.0 20 mV Load Regulation △ VOUT IOUT=1.0mA ~ 20mA 3.0 25 mV Temperature Stability tS 0.2 mV/ °C Total Output Variation over Line, Load, Temperature VREF 4.82 5.18 V Output Noise Voltage eN f=10Hz ~ kHz, TJ=25°C 50 μV Long Term Stability S TA=125°C for 1000 Hours 5 mV Output Short Circuit Current ISC -30 -85 -180 mA OSCILLATOR SECTION Oscillator Voltage Swing VOSC 1.6 V Discharge Current IDSG VOSC=2.0V, TJ=25 °C 10.8 mA TJ=25°C, 47 52 57 Frequency fOSC 0 °C ≤ TA ≤ 70°C 46 60 kHz Frequency Change with Voltage ΔfOSC/ΔV VCC=12V ~ 25V 0.2 1.0 % Frequency Change with Temperature ΔfOSC/ΔT 0 °C ≤ TA ≤ 70°C 5.0 % ERROR AMPLIFIER SECTION Voltage Feedback Input VFB VOUT=2.5V 2.42 2.50 2.58 V High VOH RL=15k to ground, VFB=2.3V 5.0 6.2 Output Voltage Swing Low VOL RL=15k to VREF, VFB=2.7V 0.8 1.1 V Sink ISINK VOUT=1.1V, VFB=2.7V 2.0 12 Output Current Source ISOURCE VOUT=5.0V, VFB=2.3V -0.5 -1.0 mA Input Bias Current II(BIAS) VFB=2.7V -0.1 -2.0 μA Open Loop Voltage Gain GVO VOUT=2.0V ~ 4.0V 65 90 dB Power Supply Rejection Ratio PSRR VCC=12V ~ 25V 60 70 dB Unity Gain Bandwidth GBW TJ=25°C 0.7 1.0 MHz |
Nº de peça semelhante - UC3844G-S08-T |
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Descrição semelhante - UC3844G-S08-T |
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