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UC3842A датащи(PDF) 3 Page - STMicroelectronics |
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UC3842A датащи(HTML) 3 Page - STMicroelectronics |
3 / 15 page ELECTRICAL CHARACTERISTICS ( [note 1] Unless otherwise stated, these specifications apply for -25 < Tamb <85 °C for UC284XA; 0 < Tamb <70°C for UC384XA; Vi = 15V (note 5); RT = 10K; CT = 3.3nF) Symbol Parameter Test Cond it ions UC284XA UC384XA Uni t Mi n. T yp. Max. Min. Typ . Max. REFERENCE SECTION VREF Output Voltage Tj =25 °CIo = 1mA 4.95 5.00 5.05 4.90 5.00 5.10 V ∆VREF Line Regulation 12V ≤ Vi ≤ 25V 220 2 20 mV ∆VREF Load Regulation 1 ≤ Io ≤ 20mA 325 3 25 mV ∆VREF/∆T Temperature Stability (Note 2) 0.2 0.2 mV/ °C Total Output Variation Line, Load, Temperature 4.9 5.1 4.82 5.18 V eN Output Noise Voltage 10Hz ≤ f ≤ 10KHz Tj =25°C (note 2) 50 50 µV Long Term Stability Tamb = 125 °C, 1000Hrs (note 2) 525 5 25 mV ISC Output Short Circuit -30 -100 -180 -30 -100 -180 mA OSCILLATOR SECTION fOSC Frequency Tj =25 °C 47 52 57 47 52 57 KHz ∆fOSC/∆V Frequency Change with Volt. VCC = 12V to 25V – 0.2 1 – 0.2 1 % ∆fOSC/∆T Frequency Change with Temp. TA =Tlow to Thigh –5 –– 5– % VOSC Oscillator Voltage Swing (peak to peak) – 1.6 – – 1.6 – V Idischg Discharge Current (VOSC =2V) TJ =25°C 7.8 8.3 8.8 7.8 8.3 8.8 mA ERROR AMP SECTION V2 Input Voltage VPIN1 = 2.5V 2.45 2.50 2.55 2.42 2.50 2.58 V Ib Input Bias Current VFB = 5V -0.1 -1 -0.1 -2 µA AVOL 2V ≤ Vo ≤ 4V 65 90 65 90 dB BW Unity Gain Bandwidth TJ =25 °C 0.7 1 0.7 1 MHz PSRR Power Supply Rejec. Ratio 12V ≤ Vi ≤ 25V 60 70 60 70 dB Io Output Sink Current VPIN2 = 2.7V VPIN1 = 1.1V 2 12 2 12 mA Io Output Source Current VPIN2 = 2.3V VPIN1 = 5V -0.5 -1 -0.5 -1 mA VOUT High VPIN2 = 2.3V; RL = 15K Ω to Ground 5 6.2 5 6.2 V VOUT Low VPIN2 = 2.7V; RL = 15K Ω to Pin 8 0.8 1.1 0.8 1.1 V CURRENT SENSE SECTION GV Gain (note 3 & 4) 2.85 3 3.15 2.85 3 3.15 V/V V3 Maximum Input Signal VPIN1 = 5V (note 3) 0.9 1 1.1 0.9 1 1.1 V SVR Supply Voltage Rejection 12 ≤ Vi ≤ 25V (note 3) 70 70 dB Ib Input Bias Current -2 -10 -2 -10 µA Delay to Output 150 300 150 300 ns THERMAL DATA Symbo l Descri ption Minid ip SO 8 Unit Rth j-amb Thermal Resistance Junction-ambient. max. 100 150 °C/W UC2842A/3A/4A/5A - UC3842A/3A/4A/5A 3/15 |
Аналогичный номер детали - UC3842A |
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Аналогичное описание - UC3842A |
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