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UC3843BP-D08-T Scheda tecnica(PDF) 3 Page - Unisonic Technologies |
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UC3843BP-D08-T Scheda tecnica(HTML) 3 Page - Unisonic Technologies |
3 / 10 page UC3842B/3843B LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 3 of 10 www.unisonic.com.tw QW-R103-012.E ABSOLUTE MAXIMUM RATINGS(TA=25℃, unless otherwise specified) PARAMETER SYMBOL RATINGS UNIT Total Power Supply and Zener Current (ICC + IZ) 30 mA Output Current, Source or Sink (Note 2) IO 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 IO(SINK) 10 mA Power Dissipation DIP-8 PD 1250 mW SOP-8 800 mW Operating Junction Temperature TJ +150 ℃ Operating Temperature TOPR 0 ~ +70 ℃ Storage Temperature TSTG -65 ~ +150 ℃ Note: 1. 2. 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. Maximum Package power dissipation limits must be observed. THERMAL DATA PARAMETER SYMBOL RATINGS UNIT Junction to Ambient DIP-8 θJA 100 °C/W SOP-8 156 °C/W ELECTRICAL CHARACTERISTICS (0℃ ≤TA≤70℃, VCC=15V (Note 1), RT=10k, CT=3.3nF, unless otherwise specified) PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT REFERENCE SECTION Output Voltage VREF IO=1.0mA, TJ =25℃ 4.9 5.0 5.1 V Line Regulation ΔVLINE VCC=12V ~ 25V 2.0 20 mV Load Regulation ΔVLOAD IO=1.0mA ~ 20mA 3.0 25 mV Temperature Stability TS 0.2 mV/℃ Total Output Variation VREF Line, Load, Temperature 4.82 5.18 V Output Noise Voltage eN F=10kHz ~ 10Hz, TJ =25℃ 50 uV Long Term Stability S TA=125℃,1000Hrs 5 mV Output Short Circuit Current ISC -30 -85 -180 mA OSCILLATOR SECTION Frequency F TJ =25℃ 49 52 55 kHz TA=0℃ ~ 70℃ 48 56 TJ =25℃ (RT=6.2k,CT=1.0nF) 225 250 275 Frequency Change with Voltage ΔfOSC/ΔV 12 ≤ VCC ≤25V 0.2 1.0 % Frequency Change with Temperature ΔfOSC/ΔT 0℃ ≤TA ≤70℃ 0.5 % Oscillator Voltage Swing (Peak to Peak) VOSC 1.6 V Discharge Current IDISCHG TJ =25℃ 7.8 8.3 8.8 mA 0℃ ≤TA ≤70℃ 7.6 8.3 8.8 |
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