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U3525 Datasheet(PDF) 4 Page - Unisonic Technologies |
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U3525 Datasheet(HTML) 4 Page - Unisonic Technologies |
4 / 9 page U3525 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 4 of 9 www.unisonic.com.tw QW-R103-032,A ABSOLUATE MAXIUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage ViN 40 V Collector Supply Voltage VC 40 V Oscillator Charging Current IOSC 5 mA Output Current, Source or Sink Io 500 mA Reference Output Current IR 50 mA Current through CT Terminal Logic Inputs Analog Inputs IT 5 - 0.3 ~ + 5.5 -0.3 ~ Vi mA V V Total Power Dissipation at Ta=70 °C PD 1000 mW Junction Temperature TJ -55 ~ +125 ℃ Operating Ambient Temperature TORP 0 ~ +70 ℃ Storage Temperature TSTG -65 ~ +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. RECOMMENDED OPERATING CONDITIONS (Note) PARAMETER SYMBOL RATINGS UNIT Input Voltage VIN 8 ~ 35 V Collector Supply Voltage VC 4.5 ~ 35 V Sink/Source Load Current (steady state) ISTEAD 0 ~ 100 mA Sink/Source Load Current (peak) IPEAK 0 ~ 400 mA Reference Load Current ILOAD 0 ~ 20 mA Oscillator Frequency Range FO 100 ~ 400K Hz Oscillator Timing Resistor RO 2 ~ 150 KΩ Oscillator Timing Capacitor CO 0.001 ~ 0.1 µF Dead Time Resistor Range RT 0 ~ 500 Ω Note: Range over which the device is functional and parameter limits are guaranteed. ELECTRICAL CHARACTERISTICS(VIN= 25V, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT REFERENCE SECTION Output Voltage VREF TJ= 25℃ 5 5.1 5.2 V Total Output Variation (Note 1) Line, Load and Temperature 4.95 5.25 V Long Term Stability (Note 1) △ VREF TJ= 125℃, 1000 hrs 20 50 mV Line Regulation △ VREF VIN= 8 ~ 35 V 10 20 mV Load Regulation △ VREF IL = 0 ~ 20 mA 20 50 mV Temp. Stability (Note 1) △ VREF/△T Over Operating Range 20 50 mV Output Noise Voltage (Note 1) 10 Hz ≤ f ≤ 10 kHz, TJ = 25℃ 40 200 µVrms Short Circuit Current VREF = 0, TJ = 25℃ 80 100 mA OSCILLATOR SECTION Clock Amplitude (Note 1, 2) 3 3.5 V Sync Threshold 1.2 2 2.8 V Sync Input Current Sync Voltage = 3.5 V 1 2.5 mA Current Mirror IRT = 2 mA 1.7 2 2.2 mA Maximum Frequency fMAX RT = 2 KΩ, CT = 470 pF 400 KHz Minimum Frequency fMIN RT = 200KΩ, CT = 0.1µF 120 Hz Clock Width (Note 1, 2) TJ = 25℃ 0.3 0.5 1 µs Initial Accuracy (Note 1, 2) TJ = 25℃ ±2 ±6 % Voltage Stability (Note 1, 2) VIN = 8 ~ 35 V ±1 ±2 % Temperature Stability (Note 1) △ f/△T Over Operating Range ±3 ±6 % |
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