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CS52843ED14 Datenblatt(PDF) 3 Page - ON Semiconductor |
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CS52843ED14 Datenblatt(HTML) 3 Page - ON Semiconductor |
3 / 9 page CS52843 http://onsemi.com 3 ELECTRICAL CHARACTERISTICS (−40°C ≤ TA ≤ 85°C; VCC = 15 V (Note 2.); RT = 680 Ω; CT = 0.022 μF for triangle mode, RT = 10 kΩ; CT = 3.3 nF sawtooth mode; unless otherwise specified.) Parameter Test Conditions Min Typ Max Unit Reference Section Output Voltage TJ = 25°C, IREF = 1.0 mA 4.9 5.0 5.1 V Line Regulation 12 ≤ VCC ≤ 25 V − 6.0 20 mV Load Regulation 1.0 ≤ IREF ≤ 20 mA − 6.0 25 mV Temperature Stability Note 2. − 0.2 0.4 mV/°C Total Output Variation Line, Load, Temp. Note 2. 4.82 − 5.18 V Output Noise Voltage 10 Hz ≤ f ≤ 10 kHz, TJ = 25°C, Note 2. − 50 − μV Long Term Stability TA = 125°C, 1000 Hrs. Note 2. − 5.0 25 mV Output Short Circuit TA = 25°C −30 −100 −180 mA Oscillator Section Initial Accuracy Sawtooth Mode, TJ = 25°C, Note 2. Triangle Mode, TJ = 25°C 47 44 52 52 57 60 kHz kHz Voltage Stability 12 ≤ VCC ≤ 25 V − 0.2 1.0 % Temperature Stability Sawtooth Mode TMIN ≤ TA ≤ TMAX Triangle Mode TMIN ≤ TA ≤ TMAX, Note 2. − − 5.0 8.0 − − % % Amplitude VOSC (peak to peak) − 1.7 − V Discharge Current TJ = 25°C TMIN ≤ TA ≤ TMAX 7.3 6.8 8.3 − 9.3 9.8 mA mA Error Amp Section Input Voltage VCOMP = 2.5 V 2.42 2.50 2.58 V Input Bias Current VFB = 0 V − −0.3 −2.0 μA AVOL 2.0 ≤ VOUT ≤ 4.0 V 65 90 − dB Unity Gain Bandwidth Note 2. 0.7 1.0 − MHz PSRR 12 ≤ VCC ≤ 25 V 60 70 − dB Output Sink Current VFB = 2.7 V, VCOMP = 1.1 V 2.0 6.0 − mA Output Source Current VFB = 2.3 V, VCOMP = 5.0 V −0.5 −0.8 − mA VOUT HIGH VFB = 2.3 V, RL = 15 kΩ to GND 5.0 6.0 − V VOUT LOW VFB = 2.7 V, RL = 15 kΩ to VREF − 0.7 1.1 V Current Sense Section Gain Notes 3 & 4. 2.85 3.0 3.15 V/V Maximum Input Signal VCOMP = 5.0 V, Note 3. 0.9 1.0 1.1 V PSRR 12 ≤ VCC ≤ 25 V, Note 3. − 70 − dB Input Bias Current VSENSE = 0 V − −2.0 −10 μA Delay to Output TJ = 25°C, Note 2. − 150 300 ns 2. These parameters, although guaranteed, are not 100% tested in production. 3. Parameter measured at a trip point of latch with VFB = 0. 4. Gain defined as: A + D VCOMP DVSENSE ;0 v VSENSE v 0.8 V |
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