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CS3843BGDR14 Scheda tecnica(PDF) 2 Page - ON Semiconductor |
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CS3843BGDR14 Scheda tecnica(HTML) 2 Page - ON Semiconductor |
2 / 8 page 2 Electrical Characteristics: 0≤TA≤70°C, VCC=15V (Note 1); RT=680Ω, CT=.022µF for triangular mode, RT=10kΩ, CT=3.3nF for sawtooth mode (see Fig. 3), unless otherwise stated PARAMETER TEST CONDITIONS MIN TYP MAX UNITS s Reference Section Output Voltage TJ=25°C, IOUT=1mA 4.90 5.00 5.10 V Line Regulation 12 ≤V IN≤25V 6 20 mV Load Regulation 1 ≤I OUT≤20mA 6 25 mV Temperature Stability (Note 2) 0.2 0.4 mV/°C Total Output Variation Line, Load, Temperature (Note 2) 4.82 5.18 V Output Noise Voltage 10Hz ≤f≤10kHz, T J=25°C (Note 2) 50 µV Long Term Stability TA=125°C, 1kHrs. (Note 2) 5 25 mV Output Short Circuit TA=25°C -30 -100 -180 mA s Oscillator Section Initial Accuracy Sawtooth Mode (see Fig. 3), TJ=25°C 47 52 57 kHz Triangular Mode (see Fig. 3), TJ=25°C 44 52 60 kHz Voltage Stability 12 ≤V CC≤25V 0.2 1.0 % Temp. Stability Sawtooth Mode TMIN≤TA≤TMAX (Note 2) 5 % Triangular Mode TMIN≤TA≤TMAX (Note 2) 8 % Amplitude Oscillator peak to peak 1.7 V Discharge Current TJ=25°C 7.5 8.3 9.3 mA TMIN≤TA≤TMAX 7.2 9.5 mA s Error Amp Section Input Voltage VCOMP=2.5V 2.42 2.50 2.58 V Input Bias Current -0.3 -2.0 µA AVOL 2 ≤V OUT≤4V 65 90 dB Unity Gain Bandwidth (Note 2) 0.7 1.0 MHz PSRR 12 ≤V CC≤25V 60 70 dB Output Sink Current VFB=2.7V, VOSC=1.1V 2 6 mA Output Source Current VFB=2.3V, VOSC=5V -0.5 -0.8 mA VOUT High VFB=2.3V, RL=15kΩ to ground 5 6 V VOUT Low VFB=2.7V, RL=15kΩ to VREF 0.7 1.1 V s Current Sense Section Gain (Notes 3 & 4) 2.85 3.00 3.15 V/V Maximum Input Signal VCOMP=5V (Note 3) 0.9 1.0 1.1 V PSRR 12 ≤V CC≤25V (Note 3) 70 dB Input Bias Current -2 -10 µA Delay to Output TJ=25°C (Note 2) 150 300 ns s Output Section Output Low Level ISINK=20mA 0.1 0.4 V ISINK=200mA 1.5 2.2 V Output High Level ISOURCE=20mA 13.0 13.5 V ISOURCE=200mA 12.0 13.5 V |
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