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CS3844GDR8 数据表(PDF) 2 Page - Cherry Semiconductor Corporation |
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CS3844GDR8 数据表(HTML) 2 Page - Cherry Semiconductor Corporation |
2 / 6 page 2 Electrical Characteristics: -25 ≤ TA ≤ 85˚C for CS2844/2845, 0 ≤TA ≤ 70˚C for CS3844/3845. VCC = 15V (Note 1); RT = 10kΩ, CT = 3.3nF for sawtooth mode., unless otherwise stated. CS2844/CS2845 CS3844/CS3845 PARAMETER TEST CONDITIONS MIN TYP MAX MIN TYP MAX UNITS s Reference Section Output Voltage TJ=25˚C, IREF=1mA 4.95 5.00 5.05 4.90 5.00 5.10 V Line Regulation 12≤VCC≤25V 6 20 6 20 mV Load Regulation 1≤IREF≤20mA 6 25 6 25 mV Temperature Stability (Note 2) 0.2 0.4 0.2 0.4 mV/˚C Total Output Variation Line, Load, Temp. (Note 2) 4.90 5.10 4.82 5.18 V Output Noise Voltage 10Hz≤ f≤10kHz, TJ=25˚C (Note 2) 50 50 µV Long Term Stability TA=125˚C, 1000 Hrs. (Note 2) 5 25 5 25 mV Output Short Circuit TA=25˚C -30 -100 -180 -30 -100 -180 mA s Oscillator Section Initial Accuracy Sawtooth Mode, TJ=25˚C 475257475257 kHz Voltage Stability 12≤VCC≤25V 0.2 1.0 0.2 1.0 % Temperature Stability Sawtooth Mode TMIN≤TA≤TMAX (Note 2) 5 5 % Amplitude VOSC (peak to peak) 1.7 1.7 V s Error Amp Section Input Voltage VCOMP=2.5V 2.45 2.50 2.55 2.42 2.50 2.58 V Input Bias Current VFB=0V -0.3 -1.0 -0.3 -2.0 µA AVOL 2≤VOUT≤4V 65 90 65 90 dB Unity Gain Bandwidth (Note 2) 0.7 1.0 0.7 1.0 MHz PSRR 12≤VCC≤25V 60 70 60 70 dB Output Sink Current VFB=2.7V, VCOMP=1.1V 2 6 2 6 mA Output Source Current VFB=2.3V, VCOMP=5V -0.5 -0.8 -0.5 -0.8 mA VOUT HIGH VFB=2.3V, RL=15kΩ to Gnd 5 6 5 6 V VOUT LOW VFB=2.7V, RL=15kΩ to VREF 0.7 1.1 0.7 1.1 V s Current Sense Section Gain (Notes 3 & 4) 2.85 3.00 3.15 2.85 3.00 3.15 V/V Maximum Input Signal VCOMP=5V (Note 3) 0.9 1.0 1.1 0.9 1.0 1.1 V PSRR 12≤VCC≤25V (Note 3) 70 70 dB Input Bias Current VSense=0V -2 -10 -2 -10 µA Delay to Output TJ=25˚C (Note 2) 150 300 150 300 ns s Output Section Output Low Level ISINK=20mA 0.1 0.4 0.1 0.4 V ISINK=200mA 1.5 2.2 1.5 2.2 V Output High Level ISOURCE=20mA 13.0 13.5 13.0 13.5 V ISOURCE=200mA 12.0 13.5 12.0 13.5 V Rise Time TJ=25˚C, CL=1nF (Note 2) 50 150 50 150 ns Fall Time TJ=25˚C, CL=1nF (Note 2) 50 150 50 150 ns |
类似零件编号 - CS3844GDR8 |
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类似说明 - CS3844GDR8 |
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