전자부품 데이터시트 검색엔진 |
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CS52843EDR14 데이터시트(PDF) 2 Page - Cherry Semiconductor Corporation |
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CS52843EDR14 데이터시트(HTML) 2 Page - Cherry Semiconductor Corporation |
2 / 6 page 2 Electrical Characteristics: -40 ≤ TA ≤ 85˚C; VCC = 15V (Note 1); RT = 680Ω; CT = .022µF for triangle mode, RT = 10kΩ; CT = 3.3nF sawtooth mode unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT s Reference Section Output Voltage TJ = 25˚C, IREF = 1mA 4.90 5.00 5.10 V Line Regulation 12 ≤ VCC ≤ 25V 6 20 mV Load Regulation 1 ≤ IRE F≤ 20mA 6 25 mV Temperature Stability (Note 1) 0.2 0.4 mV/˚C Total Output Variation Line, Load, Temp. (Note 1) 4.82 5.18 V Output Noise Voltage 10Hz ≤ f ≤ 10kHz, TJ = 25˚C (Note 1) 50 µV Long Term Stability TA = 125˚C, 1000 Hrs. (Note 1) 5 25 mV Output Short Circuit TA = 25˚C -30 -100 -180 mA s Oscillator Section Initial Accuracy Sawtooth Mode, TJ = 25˚C (Note 1) 47 52 57 kHz Triangle Mode, TJ = 25˚C 44 52 60 kHz Voltage Stability 12 ≤ VCC ≤ 25V 0.2 1.0 % Temperature Stability Sawtooth Mode TMIN ≤ TA ≤ TMAX 5% Triangle Mode TMIN ≤ TA ≤ TMAX (Note 1) 8 % Amplitude VOSC (peak to peak) 1.7 V Discharge Current TJ = 25˚C 7.3 8.3 9.3 mA TMIN ≤ TA ≤ TMAX 6.8 9.8 mA s Error Amp Section Input Voltage VCOMP = 2.5V 2.42 2.50 2.58 V Input Bias Current VFB = 0V -0.3 -2.0 µA AVOL 2 ≤ VOUT ≤ 4V 65 90 dB Unity Gain Bandwidth (Note 1) 0.7 1.0 MHz PSRR 12 ≤ VCC ≤ 25V 60 70 dB Output Sink Current VFB = 2.7V, VCOMP = 1.1V 2 6 mA Output Source Current VFB = 2.3V, VCOMP = 5V -0.5 -0.8 mA VOUT HIGH VFB = 2.3V, RL = 15kΩ to Gnd 5 6 V VOUT LOW VFB = 2.7V, RL = 15kΩ to VREF 0.7 1.1 V s Current Sense Section Gain (Notes 2 & 3) 2.85 3.00 3.15 V/V Maximum Input Signal VCOMP = 5V (Note 2) 0.9 1.0 1.1 V PSRR 12 ≤ VCC ≤ 25V (Note 2) 70 dB Input Bias Current VSense=0V -2 -10 µA Delay to Output TJ=25˚C (Note 1) 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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